FHIR Osiris Implementation Guide
2.1.0 - ci-build

FHIR Osiris Implementation Guide - Local Development build (v2.1.0) built by the FHIR (HL7® FHIR® Standard) Build Tools. See the Directory of published versions

Resource Profile: RadiotherapyPhase - Detailed Descriptions

Draft as of 2024-03-21

Definitions for the radiotherapy-phase resource profile.

Guidance on how to interpret the contents of this table can be found here

0. Procedure
2. Procedure.extension
Control1..?
4. Procedure.extension:numberOfFractions
Slice NamenumberOfFractions
Definition

Number of Fractions. If delivred, it should be extracted from MOSAIQ/ARIA Record and Verify. If planned, it corresponds to Dicom Tag (300A,0078)

ShortNumber of Fractions
Control1..1
TypeExtension(Number of Fractions) (Extension Type: unsignedInt)
Must Supporttrue
6. Procedure.partOf
ShortShould Reference a Radiotherapy Treatment Course
Control1..1
TypeReference(Radiotherapy course Summary)
8. Procedure.category
Definition

Type (planned or delivered)

ShortType (planned or delivered)
Control1..?
Must Supporttrue
10. Procedure.category.coding
12. Procedure.category.coding.code
Control1..?
BindingThe codes SHALL be taken from Radiotherapy Category
(required to https://build.fhir.org/ig/arkhn/arkhn-ig-osiris/ValueSet/vs-radiotherapy-category)
Must Supporttrue
14. Procedure.code
Control1..?
Must Supporttrue
Pattern Value{
  "coding" : [{
    "system" : "http://snomed.info/sct",
    "code" : "1222565005"
  }]
}
16. Procedure.code.coding
18. Procedure.code.coding.display
Pattern ValueRadiotherapy treatment phase (regime/therapy)
20. Procedure.subject
TypeReference(Oncology Patient)
Must Supporttrue
22. Procedure.performed[x]
Definition

The start and end period

Control1..?
TypePeriod, dateTime, string, Range, Age
[x] NoteSee Choice of Data Types for further information about how to use [x]
Must Supporttrue
24. Procedure.performed[x].start
Definition

Start date and time. They should be extracted from MOSAIQ/ARIA Record and Verify.

ShortStart date
Control1..?
Must Supporttrue
26. Procedure.performed[x].end
Definition

End date and time. They should be extracted from MOSAIQ/ARIA Record and Verify.

ShortEnd date
Control1..?
Must Supporttrue

Guidance on how to interpret the contents of this table can be found here

0. Procedure
Definition

An action that is or was performed on or for a patient. This can be a physical intervention like an operation, or less invasive like long term services, counseling, or hypnotherapy.

ShortAn action that is being or was performed on a patient
Control0..*
Invariantsdom-2: If the resource is contained in another resource, it SHALL NOT contain nested Resources (contained.contained.empty())
dom-4: If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated (contained.meta.versionId.empty() and contained.meta.lastUpdated.empty())
dom-3: If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource (contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty())
dom-6: A resource should have narrative for robust management (text.`div`.exists())
dom-5: If a resource is contained in another resource, it SHALL NOT have a security label (contained.meta.security.empty())
2. Procedure.implicitRules
Definition

A reference to a set of rules that were followed when the resource was constructed, and which must be understood when processing the content. Often, this is a reference to an implementation guide that defines the special rules along with other profiles etc.

ShortA set of rules under which this content was created
Comments

Asserting this rule set restricts the content to be only understood by a limited set of trading partners. This inherently limits the usefulness of the data in the long term. However, the existing health eco-system is highly fractured, and not yet ready to define, collect, and exchange data in a generally computable sense. Wherever possible, implementers and/or specification writers should avoid using this element. Often, when used, the URL is a reference to an implementation guide that defines these special rules as part of it's narrative along with other profiles, value sets, etc.

Control0..1
This element is affected by the following invariants: ele-1
Typeuri
Is Modifiertrue because This element is labeled as a modifier because the implicit rules may provide additional knowledge about the resource that modifies it's meaning or interpretation
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
Summarytrue
Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
4. Procedure.extension
Definition

An Extension


May be used to represent additional information that is not part of the basic definition of the resource. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

ShortExtensionAdditional content defined by implementations
Comments

There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

Control10..*
This element is affected by the following invariants: ele-1
TypeExtension
Alternate Namesextensions, user content
Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
SlicingThis element introduces a set of slices on Procedure.extension. The slices are unordered and Open, and can be differentiated using the following discriminators:
  • value @ url
  • 6. Procedure.extension:numberOfFractions
    Slice NamenumberOfFractions
    Definition

    Number of Fractions. If delivred, it should be extracted from MOSAIQ/ARIA Record and Verify. If planned, it corresponds to Dicom Tag (300A,0078)

    ShortNumber of Fractions
    Control1..1
    This element is affected by the following invariants: ele-1
    TypeExtension(Number of Fractions) (Extension Type: unsignedInt)
    Must Supporttrue
    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
    ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
    8. Procedure.modifierExtension
    Definition

    May be used to represent additional information that is not part of the basic definition of the resource and that modifies the understanding of the element that contains it and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

    Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

    ShortExtensions that cannot be ignored
    Comments

    There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

    Control0..*
    This element is affected by the following invariants: ele-1
    TypeExtension
    Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the resource that contains them
    Standards StatusNormative (from Trial Use)
    Requirements

    Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

    Alternate Namesextensions, user content
    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
    ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
    SlicingThis element introduces a set of slices on Procedure.modifierExtension. The slices are unordered and Open, and can be differentiated using the following discriminators:
    • value @ url
    • 10. Procedure.partOf
      Definition

      A larger event of which this particular procedure is a component or step.

      ShortShould Reference a Radiotherapy Treatment CoursePart of referenced event
      Comments

      The MedicationAdministration resource has a partOf reference to Procedure, but this is not a circular reference. For example, the anesthesia MedicationAdministration is part of the surgical Procedure (MedicationAdministration.partOf = Procedure). For example, the procedure to insert the IV port for an IV medication administration is part of the medication administration (Procedure.partOf = MedicationAdministration).

      Control10..1*
      This element is affected by the following invariants: ele-1
      TypeReference(Radiotherapy course Summary, Procedure, Observation, MedicationAdministration)
      Summarytrue
      Alternate Namescontainer
      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      ref-1: SHALL have a contained resource if a local reference is provided (reference.startsWith('#').not() or (reference.substring(1).trace('url') in %rootResource.contained.id.trace('ids')))
      12. Procedure.status
      Definition

      A code specifying the state of the procedure. Generally, this will be the in-progress or completed state.

      Shortpreparation | in-progress | not-done | on-hold | stopped | completed | entered-in-error | unknown
      Comments

      The "unknown" code is not to be used to convey other statuses. The "unknown" code should be used when one of the statuses applies, but the authoring system doesn't know the current state of the procedure.

      This element is labeled as a modifier because the status contains codes that mark the resource as not currently valid.

      Control1..1
      This element is affected by the following invariants: ele-1
      BindingThe codes SHALL be taken from EventStatushttp://hl7.org/fhir/ValueSet/event-status|4.0.1
      (required to http://hl7.org/fhir/ValueSet/event-status|4.0.1)

      A code specifying the state of the procedure.

      Typecode
      Is Modifiertrue because This element is labelled as a modifier because it is a status element that contains status entered-in-error which means that the resource should not be treated as valid
      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
      Summarytrue
      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      14. Procedure.category
      Definition

      Type (planned or delivered)


      A code that classifies the procedure for searching, sorting and display purposes (e.g. "Surgical Procedure").

      ShortType (planned or delivered)Classification of the procedure
      Comments

      Not all terminology uses fit this general pattern. In some cases, models should not use CodeableConcept and use Coding directly and provide their own structure for managing text, codings, translations and the relationship between elements and pre- and post-coordination.

      Control10..1
      This element is affected by the following invariants: ele-1
      BindingFor example codes, see ProcedureCategoryCodes(SNOMEDCT)http://hl7.org/fhir/ValueSet/procedure-category
      (example to http://hl7.org/fhir/ValueSet/procedure-category)

      A code that classifies a procedure for searching, sorting and display purposes.

      TypeCodeableConcept
      Must Supporttrue
      Summarytrue
      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      16. Procedure.category.coding
      Definition

      A reference to a code defined by a terminology system.

      ShortCode defined by a terminology system
      Comments

      Codes may be defined very casually in enumerations, or code lists, up to very formal definitions such as SNOMED CT - see the HL7 v3 Core Principles for more information. Ordering of codings is undefined and SHALL NOT be used to infer meaning. Generally, at most only one of the coding values will be labeled as UserSelected = true.

      Control0..*
      This element is affected by the following invariants: ele-1
      TypeCoding
      Summarytrue
      Requirements

      Allows for alternative encodings within a code system, and translations to other code systems.

      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      18. Procedure.category.coding.code
      Definition

      A symbol in syntax defined by the system. The symbol may be a predefined code or an expression in a syntax defined by the coding system (e.g. post-coordination).

      ShortSymbol in syntax defined by the system
      Comments

      Note that FHIR strings SHALL NOT exceed 1MB in size

      Control10..1
      This element is affected by the following invariants: ele-1
      BindingThe codes SHALL be taken from For codes, see Radiotherapy Category
      (required to https://build.fhir.org/ig/arkhn/arkhn-ig-osiris/ValueSet/vs-radiotherapy-category)
      Typecode
      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
      Must Supporttrue
      Summarytrue
      Requirements

      Need to refer to a particular code in the system.

      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      20. Procedure.code
      Definition

      The specific procedure that is performed. Use text if the exact nature of the procedure cannot be coded (e.g. "Laparoscopic Appendectomy").

      ShortIdentification of the procedure
      Comments

      Not all terminology uses fit this general pattern. In some cases, models should not use CodeableConcept and use Coding directly and provide their own structure for managing text, codings, translations and the relationship between elements and pre- and post-coordination.

      Control10..1
      This element is affected by the following invariants: ele-1
      BindingFor example codes, see ProcedureCodes(SNOMEDCT)http://hl7.org/fhir/ValueSet/procedure-code
      (example to http://hl7.org/fhir/ValueSet/procedure-code)

      A code to identify a specific procedure .

      TypeCodeableConcept
      Must Supporttrue
      Summarytrue
      Requirements

      0..1 to account for primarily narrative only resources.

      Alternate Namestype
      Pattern Value{
        "coding" : [{
          "system" : "http://snomed.info/sct",
          "code" : "1222565005"
        }]
      }
      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      22. Procedure.subject
      Definition

      The person, animal or group on which the procedure was performed.

      ShortWho the procedure was performed on
      Comments

      References SHALL be a reference to an actual FHIR resource, and SHALL be resolveable (allowing for access control, temporary unavailability, etc.). Resolution can be either by retrieval from the URL, or, where applicable by resource type, by treating an absolute reference as a canonical URL and looking it up in a local registry/repository.

      Control1..1
      This element is affected by the following invariants: ele-1
      TypeReference(Oncology Patient, Patient, Group)
      Must Supporttrue
      Summarytrue
      Alternate Namespatient
      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      ref-1: SHALL have a contained resource if a local reference is provided (reference.startsWith('#').not() or (reference.substring(1).trace('url') in %rootResource.contained.id.trace('ids')))
      24. Procedure.performed[x]
      Definition

      The start and end period


      Estimated or actual date, date-time, period, or age when the procedure was performed. Allows a period to support complex procedures that span more than one date, and also allows for the length of the procedure to be captured.

      ShortWhen the procedure was performed
      Comments

      Age is generally used when the patient reports an age at which the procedure was performed. Range is generally used when the patient reports an age range when the procedure was performed, such as sometime between 20-25 years old. dateTime supports a range of precision due to some procedures being reported as past procedures that might not have millisecond precision while other procedures performed and documented during the encounter might have more precise UTC timestamps with timezone.

      Control10..1
      This element is affected by the following invariants: ele-1
      TypePeriod, dateTime, string, Range, Age
      [x] NoteSee Choice of Data Types for further information about how to use [x]
      Must Supporttrue
      Summarytrue
      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      26. Procedure.performed[x].start
      Definition

      Start date and time. They should be extracted from MOSAIQ/ARIA Record and Verify.


      The start of the period. The boundary is inclusive.

      ShortStart dateStarting time with inclusive boundary
      Comments

      If the low element is missing, the meaning is that the low boundary is not known.

      Control10..1
      This element is affected by the following invariants: ele-1, per-1
      TypedateTime
      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
      Must Supporttrue
      Summarytrue
      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      28. Procedure.performed[x].end
      Definition

      End date and time. They should be extracted from MOSAIQ/ARIA Record and Verify.


      The end of the period. If the end of the period is missing, it means no end was known or planned at the time the instance was created. The start may be in the past, and the end date in the future, which means that period is expected/planned to end at that time.

      ShortEnd dateEnd time with inclusive boundary, if not ongoing
      Comments

      The high value includes any matching date/time. i.e. 2012-02-03T10:00:00 is in a period that has an end value of 2012-02-03.

      Control10..1
      This element is affected by the following invariants: ele-1, per-1
      TypedateTime
      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
      Must Supporttrue
      Summarytrue
      Meaning if MissingIf the end of the period is missing, it means that the period is ongoing
      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))

      Guidance on how to interpret the contents of this table can be found here

      0. Procedure
      Definition

      An action that is or was performed on or for a patient. This can be a physical intervention like an operation, or less invasive like long term services, counseling, or hypnotherapy.

      ShortAn action that is being or was performed on a patient
      Control0..*
      Invariantsdom-2: If the resource is contained in another resource, it SHALL NOT contain nested Resources (contained.contained.empty())
      dom-4: If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated (contained.meta.versionId.empty() and contained.meta.lastUpdated.empty())
      dom-3: If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource (contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty())
      dom-6: A resource should have narrative for robust management (text.`div`.exists())
      dom-5: If a resource is contained in another resource, it SHALL NOT have a security label (contained.meta.security.empty())
      2. Procedure.id
      Definition

      The logical id of the resource, as used in the URL for the resource. Once assigned, this value never changes.

      ShortLogical id of this artifact
      Comments

      The only time that a resource does not have an id is when it is being submitted to the server using a create operation.

      Control0..1
      Typeid
      Summarytrue
      4. Procedure.meta
      Definition

      The metadata about the resource. This is content that is maintained by the infrastructure. Changes to the content might not always be associated with version changes to the resource.

      ShortMetadata about the resource
      Control0..1
      This element is affected by the following invariants: ele-1
      TypeMeta
      Summarytrue
      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      6. Procedure.implicitRules
      Definition

      A reference to a set of rules that were followed when the resource was constructed, and which must be understood when processing the content. Often, this is a reference to an implementation guide that defines the special rules along with other profiles etc.

      ShortA set of rules under which this content was created
      Comments

      Asserting this rule set restricts the content to be only understood by a limited set of trading partners. This inherently limits the usefulness of the data in the long term. However, the existing health eco-system is highly fractured, and not yet ready to define, collect, and exchange data in a generally computable sense. Wherever possible, implementers and/or specification writers should avoid using this element. Often, when used, the URL is a reference to an implementation guide that defines these special rules as part of it's narrative along with other profiles, value sets, etc.

      Control0..1
      This element is affected by the following invariants: ele-1
      Typeuri
      Is Modifiertrue because This element is labeled as a modifier because the implicit rules may provide additional knowledge about the resource that modifies it's meaning or interpretation
      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
      Summarytrue
      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      8. Procedure.language
      Definition

      The base language in which the resource is written.

      ShortLanguage of the resource content
      Comments

      Language is provided to support indexing and accessibility (typically, services such as text to speech use the language tag). The html language tag in the narrative applies to the narrative. The language tag on the resource may be used to specify the language of other presentations generated from the data in the resource. Not all the content has to be in the base language. The Resource.language should not be assumed to apply to the narrative automatically. If a language is specified, it should it also be specified on the div element in the html (see rules in HTML5 for information about the relationship between xml:lang and the html lang attribute).

      Control0..1
      This element is affected by the following invariants: ele-1
      BindingThe codes SHOULD be taken from CommonLanguages
      (preferred to http://hl7.org/fhir/ValueSet/languages)

      A human language.

      Additional BindingsPurpose
      AllLanguagesMax Binding
      Typecode
      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      10. Procedure.text
      Definition

      A human-readable narrative that contains a summary of the resource and can be used to represent the content of the resource to a human. The narrative need not encode all the structured data, but is required to contain sufficient detail to make it "clinically safe" for a human to just read the narrative. Resource definitions may define what content should be represented in the narrative to ensure clinical safety.

      ShortText summary of the resource, for human interpretation
      Comments

      Contained resources do not have narrative. Resources that are not contained SHOULD have a narrative. In some cases, a resource may only have text with little or no additional discrete data (as long as all minOccurs=1 elements are satisfied). This may be necessary for data from legacy systems where information is captured as a "text blob" or where text is additionally entered raw or narrated and encoded information is added later.

      Control0..1
      This element is affected by the following invariants: ele-1
      TypeNarrative
      Alternate Namesnarrative, html, xhtml, display
      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      12. Procedure.contained
      Definition

      These resources do not have an independent existence apart from the resource that contains them - they cannot be identified independently, and nor can they have their own independent transaction scope.

      ShortContained, inline Resources
      Comments

      This should never be done when the content can be identified properly, as once identification is lost, it is extremely difficult (and context dependent) to restore it again. Contained resources may have profiles and tags In their meta elements, but SHALL NOT have security labels.

      Control0..*
      TypeResource
      Alternate Namesinline resources, anonymous resources, contained resources
      14. Procedure.extension
      Definition

      An Extension

      ShortExtension
      Control1..*
      This element is affected by the following invariants: ele-1
      TypeExtension
      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
      SlicingThis element introduces a set of slices on Procedure.extension. The slices are unordered and Open, and can be differentiated using the following discriminators:
      • value @ url
      • 16. Procedure.extension:numberOfFractions
        Slice NamenumberOfFractions
        Definition

        Number of Fractions. If delivred, it should be extracted from MOSAIQ/ARIA Record and Verify. If planned, it corresponds to Dicom Tag (300A,0078)

        ShortNumber of Fractions
        Control1..1
        This element is affected by the following invariants: ele-1
        TypeExtension(Number of Fractions) (Extension Type: unsignedInt)
        Must Supporttrue
        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
        ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
        18. Procedure.modifierExtension
        Definition

        May be used to represent additional information that is not part of the basic definition of the resource and that modifies the understanding of the element that contains it and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

        Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

        ShortExtensions that cannot be ignored
        Comments

        There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

        Control0..*
        This element is affected by the following invariants: ele-1
        TypeExtension
        Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the resource that contains them
        Standards StatusNormative (from Trial Use)
        Requirements

        Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

        Alternate Namesextensions, user content
        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
        ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
        SlicingThis element introduces a set of slices on Procedure.modifierExtension. The slices are unordered and Open, and can be differentiated using the following discriminators:
        • value @ url
        • 20. Procedure.identifier
          Definition

          Business identifiers assigned to this procedure by the performer or other systems which remain constant as the resource is updated and is propagated from server to server.

          ShortExternal Identifiers for this procedure
          Comments

          This is a business identifier, not a resource identifier (see discussion). It is best practice for the identifier to only appear on a single resource instance, however business practices may occasionally dictate that multiple resource instances with the same identifier can exist - possibly even with different resource types. For example, multiple Patient and Person resource instances might share the same social insurance number.

          NoteThis is a business identifier, not a resource identifier (see discussion)
          Control0..*
          This element is affected by the following invariants: ele-1
          TypeIdentifier
          Summarytrue
          Requirements

          Allows identification of the procedure as it is known by various participating systems and in a way that remains consistent across servers.

          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
          22. Procedure.instantiatesCanonical
          Definition

          The URL pointing to a FHIR-defined protocol, guideline, order set or other definition that is adhered to in whole or in part by this Procedure.

          ShortInstantiates FHIR protocol or definition
          Comments

          see Canonical References

          Control0..*
          This element is affected by the following invariants: ele-1
          Typecanonical(PlanDefinition, ActivityDefinition, Measure, OperationDefinition, Questionnaire)
          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
          Summarytrue
          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
          24. Procedure.instantiatesUri
          Definition

          The URL pointing to an externally maintained protocol, guideline, order set or other definition that is adhered to in whole or in part by this Procedure.

          ShortInstantiates external protocol or definition
          Comments

          This might be an HTML page, PDF, etc. or could just be a non-resolvable URI identifier.

          Control0..*
          This element is affected by the following invariants: ele-1
          Typeuri
          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
          Summarytrue
          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
          26. Procedure.basedOn
          Definition

          A reference to a resource that contains details of the request for this procedure.

          ShortA request for this procedure
          Comments

          References SHALL be a reference to an actual FHIR resource, and SHALL be resolveable (allowing for access control, temporary unavailability, etc.). Resolution can be either by retrieval from the URL, or, where applicable by resource type, by treating an absolute reference as a canonical URL and looking it up in a local registry/repository.

          Control0..*
          This element is affected by the following invariants: ele-1
          TypeReference(CarePlan, ServiceRequest)
          Summarytrue
          Alternate Namesfulfills
          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
          ref-1: SHALL have a contained resource if a local reference is provided (reference.startsWith('#').not() or (reference.substring(1).trace('url') in %rootResource.contained.id.trace('ids')))
          28. Procedure.partOf
          Definition

          A larger event of which this particular procedure is a component or step.

          ShortShould Reference a Radiotherapy Treatment Course
          Comments

          The MedicationAdministration resource has a partOf reference to Procedure, but this is not a circular reference. For example, the anesthesia MedicationAdministration is part of the surgical Procedure (MedicationAdministration.partOf = Procedure). For example, the procedure to insert the IV port for an IV medication administration is part of the medication administration (Procedure.partOf = MedicationAdministration).

          Control1..1
          This element is affected by the following invariants: ele-1
          TypeReference(Radiotherapy course Summary)
          Summarytrue
          Alternate Namescontainer
          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
          ref-1: SHALL have a contained resource if a local reference is provided (reference.startsWith('#').not() or (reference.substring(1).trace('url') in %rootResource.contained.id.trace('ids')))
          30. Procedure.status
          Definition

          A code specifying the state of the procedure. Generally, this will be the in-progress or completed state.

          Shortpreparation | in-progress | not-done | on-hold | stopped | completed | entered-in-error | unknown
          Comments

          The "unknown" code is not to be used to convey other statuses. The "unknown" code should be used when one of the statuses applies, but the authoring system doesn't know the current state of the procedure.

          This element is labeled as a modifier because the status contains codes that mark the resource as not currently valid.

          Control1..1
          This element is affected by the following invariants: ele-1
          BindingThe codes SHALL be taken from EventStatus
          (required to http://hl7.org/fhir/ValueSet/event-status|4.0.1)

          A code specifying the state of the procedure.

          Typecode
          Is Modifiertrue because This element is labelled as a modifier because it is a status element that contains status entered-in-error which means that the resource should not be treated as valid
          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
          Summarytrue
          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
          32. Procedure.statusReason
          Definition

          Captures the reason for the current state of the procedure.

          ShortReason for current status
          Comments

          This is generally only used for "exception" statuses such as "not-done", "suspended" or "aborted". The reason for performing the event at all is captured in reasonCode, not here.

          Control0..1
          This element is affected by the following invariants: ele-1
          BindingFor example codes, see ProcedureNotPerformedReason(SNOMED-CT)
          (example to http://hl7.org/fhir/ValueSet/procedure-not-performed-reason)

          A code that identifies the reason a procedure was not performed.

          TypeCodeableConcept
          Summarytrue
          Alternate NamesSuspended Reason, Cancelled Reason
          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
          34. Procedure.category
          Definition

          Type (planned or delivered)

          ShortType (planned or delivered)
          Comments

          Not all terminology uses fit this general pattern. In some cases, models should not use CodeableConcept and use Coding directly and provide their own structure for managing text, codings, translations and the relationship between elements and pre- and post-coordination.

          Control1..1
          This element is affected by the following invariants: ele-1
          BindingFor example codes, see ProcedureCategoryCodes(SNOMEDCT)
          (example to http://hl7.org/fhir/ValueSet/procedure-category)

          A code that classifies a procedure for searching, sorting and display purposes.

          TypeCodeableConcept
          Must Supporttrue
          Summarytrue
          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
          36. Procedure.category.id
          Definition

          Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

          ShortUnique id for inter-element referencing
          Control0..1
          Typestring
          XML FormatIn the XML format, this property is represented as an attribute.
          38. Procedure.category.extension
          Definition

          May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

          ShortAdditional content defined by implementations
          Comments

          There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

          Control0..*
          This element is affected by the following invariants: ele-1
          TypeExtension
          Standards StatusNormative (from Trial Use)
          Alternate Namesextensions, user content
          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
          ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
          SlicingThis element introduces a set of slices on Procedure.category.extension. The slices are unordered and Open, and can be differentiated using the following discriminators:
          • value @ url
          • 40. Procedure.category.coding
            Definition

            A reference to a code defined by a terminology system.

            ShortCode defined by a terminology system
            Comments

            Codes may be defined very casually in enumerations, or code lists, up to very formal definitions such as SNOMED CT - see the HL7 v3 Core Principles for more information. Ordering of codings is undefined and SHALL NOT be used to infer meaning. Generally, at most only one of the coding values will be labeled as UserSelected = true.

            Control0..*
            This element is affected by the following invariants: ele-1
            TypeCoding
            Summarytrue
            Requirements

            Allows for alternative encodings within a code system, and translations to other code systems.

            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
            42. Procedure.category.coding.id
            Definition

            Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

            ShortUnique id for inter-element referencing
            Control0..1
            Typestring
            XML FormatIn the XML format, this property is represented as an attribute.
            44. Procedure.category.coding.extension
            Definition

            May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

            ShortAdditional content defined by implementations
            Comments

            There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

            Control0..*
            This element is affected by the following invariants: ele-1
            TypeExtension
            Standards StatusNormative (from Trial Use)
            Alternate Namesextensions, user content
            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
            ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
            SlicingThis element introduces a set of slices on Procedure.category.coding.extension. The slices are unordered and Open, and can be differentiated using the following discriminators:
            • value @ url
            • 46. Procedure.category.coding.system
              Definition

              The identification of the code system that defines the meaning of the symbol in the code.

              ShortIdentity of the terminology system
              Comments

              The URI may be an OID (urn:oid:...) or a UUID (urn:uuid:...). OIDs and UUIDs SHALL be references to the HL7 OID registry. Otherwise, the URI should come from HL7's list of FHIR defined special URIs or it should reference to some definition that establishes the system clearly and unambiguously.

              Control0..1
              This element is affected by the following invariants: ele-1
              Typeuri
              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
              Summarytrue
              Requirements

              Need to be unambiguous about the source of the definition of the symbol.

              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
              48. Procedure.category.coding.version
              Definition

              The version of the code system which was used when choosing this code. Note that a well-maintained code system does not need the version reported, because the meaning of codes is consistent across versions. However this cannot consistently be assured, and when the meaning is not guaranteed to be consistent, the version SHOULD be exchanged.

              ShortVersion of the system - if relevant
              Comments

              Where the terminology does not clearly define what string should be used to identify code system versions, the recommendation is to use the date (expressed in FHIR date format) on which that version was officially published as the version date.

              NoteThis is a business versionId, not a resource version id (see discussion)
              Control0..1
              This element is affected by the following invariants: ele-1
              Typestring
              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
              Summarytrue
              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
              50. Procedure.category.coding.code
              Definition

              A symbol in syntax defined by the system. The symbol may be a predefined code or an expression in a syntax defined by the coding system (e.g. post-coordination).

              ShortSymbol in syntax defined by the system
              Comments

              Note that FHIR strings SHALL NOT exceed 1MB in size

              Control1..1
              This element is affected by the following invariants: ele-1
              BindingThe codes SHALL be taken from Radiotherapy Category
              (required to https://build.fhir.org/ig/arkhn/arkhn-ig-osiris/ValueSet/vs-radiotherapy-category)
              Typecode
              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
              Must Supporttrue
              Summarytrue
              Requirements

              Need to refer to a particular code in the system.

              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
              52. Procedure.category.coding.display
              Definition

              A representation of the meaning of the code in the system, following the rules of the system.

              ShortRepresentation defined by the system
              Comments

              Note that FHIR strings SHALL NOT exceed 1MB in size

              Control0..1
              This element is affected by the following invariants: ele-1
              Typestring
              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
              Summarytrue
              Requirements

              Need to be able to carry a human-readable meaning of the code for readers that do not know the system.

              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
              54. Procedure.category.coding.userSelected
              Definition

              Indicates that this coding was chosen by a user directly - e.g. off a pick list of available items (codes or displays).

              ShortIf this coding was chosen directly by the user
              Comments

              Amongst a set of alternatives, a directly chosen code is the most appropriate starting point for new translations. There is some ambiguity about what exactly 'directly chosen' implies, and trading partner agreement may be needed to clarify the use of this element and its consequences more completely.

              Control0..1
              This element is affected by the following invariants: ele-1
              Typeboolean
              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
              Summarytrue
              Requirements

              This has been identified as a clinical safety criterium - that this exact system/code pair was chosen explicitly, rather than inferred by the system based on some rules or language processing.

              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
              56. Procedure.category.text
              Definition

              A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

              ShortPlain text representation of the concept
              Comments

              Very often the text is the same as a displayName of one of the codings.

              Control0..1
              This element is affected by the following invariants: ele-1
              Typestring
              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
              Summarytrue
              Requirements

              The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
              58. Procedure.code
              Definition

              The specific procedure that is performed. Use text if the exact nature of the procedure cannot be coded (e.g. "Laparoscopic Appendectomy").

              ShortIdentification of the procedure
              Comments

              Not all terminology uses fit this general pattern. In some cases, models should not use CodeableConcept and use Coding directly and provide their own structure for managing text, codings, translations and the relationship between elements and pre- and post-coordination.

              Control1..1
              This element is affected by the following invariants: ele-1
              BindingFor example codes, see ProcedureCodes(SNOMEDCT)
              (example to http://hl7.org/fhir/ValueSet/procedure-code)

              A code to identify a specific procedure .

              TypeCodeableConcept
              Must Supporttrue
              Summarytrue
              Requirements

              0..1 to account for primarily narrative only resources.

              Alternate Namestype
              Pattern Value{
                "coding" : [{
                  "system" : "http://snomed.info/sct",
                  "code" : "1222565005"
                }]
              }
              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
              60. Procedure.code.id
              Definition

              Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

              ShortUnique id for inter-element referencing
              Control0..1
              Typestring
              XML FormatIn the XML format, this property is represented as an attribute.
              62. Procedure.code.extension
              Definition

              May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

              ShortAdditional content defined by implementations
              Comments

              There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

              Control0..*
              This element is affected by the following invariants: ele-1
              TypeExtension
              Standards StatusNormative (from Trial Use)
              Alternate Namesextensions, user content
              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
              ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
              SlicingThis element introduces a set of slices on Procedure.code.extension. The slices are unordered and Open, and can be differentiated using the following discriminators:
              • value @ url
              • 64. Procedure.code.coding
                Definition

                A reference to a code defined by a terminology system.

                ShortCode defined by a terminology system
                Comments

                Codes may be defined very casually in enumerations, or code lists, up to very formal definitions such as SNOMED CT - see the HL7 v3 Core Principles for more information. Ordering of codings is undefined and SHALL NOT be used to infer meaning. Generally, at most only one of the coding values will be labeled as UserSelected = true.

                Control0..*
                This element is affected by the following invariants: ele-1
                TypeCoding
                Summarytrue
                Requirements

                Allows for alternative encodings within a code system, and translations to other code systems.

                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                66. Procedure.code.coding.id
                Definition

                Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                ShortUnique id for inter-element referencing
                Control0..1
                Typestring
                XML FormatIn the XML format, this property is represented as an attribute.
                68. Procedure.code.coding.extension
                Definition

                May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                ShortAdditional content defined by implementations
                Comments

                There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                Control0..*
                This element is affected by the following invariants: ele-1
                TypeExtension
                Standards StatusNormative (from Trial Use)
                Alternate Namesextensions, user content
                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                SlicingThis element introduces a set of slices on Procedure.code.coding.extension. The slices are unordered and Open, and can be differentiated using the following discriminators:
                • value @ url
                • 70. Procedure.code.coding.system
                  Definition

                  The identification of the code system that defines the meaning of the symbol in the code.

                  ShortIdentity of the terminology system
                  Comments

                  The URI may be an OID (urn:oid:...) or a UUID (urn:uuid:...). OIDs and UUIDs SHALL be references to the HL7 OID registry. Otherwise, the URI should come from HL7's list of FHIR defined special URIs or it should reference to some definition that establishes the system clearly and unambiguously.

                  Control0..1
                  This element is affected by the following invariants: ele-1
                  Typeuri
                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                  Summarytrue
                  Requirements

                  Need to be unambiguous about the source of the definition of the symbol.

                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                  72. Procedure.code.coding.version
                  Definition

                  The version of the code system which was used when choosing this code. Note that a well-maintained code system does not need the version reported, because the meaning of codes is consistent across versions. However this cannot consistently be assured, and when the meaning is not guaranteed to be consistent, the version SHOULD be exchanged.

                  ShortVersion of the system - if relevant
                  Comments

                  Where the terminology does not clearly define what string should be used to identify code system versions, the recommendation is to use the date (expressed in FHIR date format) on which that version was officially published as the version date.

                  NoteThis is a business versionId, not a resource version id (see discussion)
                  Control0..1
                  This element is affected by the following invariants: ele-1
                  Typestring
                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                  Summarytrue
                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                  74. Procedure.code.coding.code
                  Definition

                  A symbol in syntax defined by the system. The symbol may be a predefined code or an expression in a syntax defined by the coding system (e.g. post-coordination).

                  ShortSymbol in syntax defined by the system
                  Comments

                  Note that FHIR strings SHALL NOT exceed 1MB in size

                  Control0..1
                  This element is affected by the following invariants: ele-1
                  Typecode
                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                  Summarytrue
                  Requirements

                  Need to refer to a particular code in the system.

                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                  76. Procedure.code.coding.display
                  Definition

                  A representation of the meaning of the code in the system, following the rules of the system.

                  ShortRepresentation defined by the system
                  Comments

                  Note that FHIR strings SHALL NOT exceed 1MB in size

                  Control0..1
                  This element is affected by the following invariants: ele-1
                  Typestring
                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                  Summarytrue
                  Requirements

                  Need to be able to carry a human-readable meaning of the code for readers that do not know the system.

                  Pattern ValueRadiotherapy treatment phase (regime/therapy)
                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                  78. Procedure.code.coding.userSelected
                  Definition

                  Indicates that this coding was chosen by a user directly - e.g. off a pick list of available items (codes or displays).

                  ShortIf this coding was chosen directly by the user
                  Comments

                  Amongst a set of alternatives, a directly chosen code is the most appropriate starting point for new translations. There is some ambiguity about what exactly 'directly chosen' implies, and trading partner agreement may be needed to clarify the use of this element and its consequences more completely.

                  Control0..1
                  This element is affected by the following invariants: ele-1
                  Typeboolean
                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                  Summarytrue
                  Requirements

                  This has been identified as a clinical safety criterium - that this exact system/code pair was chosen explicitly, rather than inferred by the system based on some rules or language processing.

                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                  80. Procedure.code.text
                  Definition

                  A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                  ShortPlain text representation of the concept
                  Comments

                  Very often the text is the same as a displayName of one of the codings.

                  Control0..1
                  This element is affected by the following invariants: ele-1
                  Typestring
                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                  Summarytrue
                  Requirements

                  The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                  82. Procedure.subject
                  Definition

                  The person, animal or group on which the procedure was performed.

                  ShortWho the procedure was performed on
                  Comments

                  References SHALL be a reference to an actual FHIR resource, and SHALL be resolveable (allowing for access control, temporary unavailability, etc.). Resolution can be either by retrieval from the URL, or, where applicable by resource type, by treating an absolute reference as a canonical URL and looking it up in a local registry/repository.

                  Control1..1
                  This element is affected by the following invariants: ele-1
                  TypeReference(Oncology Patient)
                  Must Supporttrue
                  Summarytrue
                  Alternate Namespatient
                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                  ref-1: SHALL have a contained resource if a local reference is provided (reference.startsWith('#').not() or (reference.substring(1).trace('url') in %rootResource.contained.id.trace('ids')))
                  84. Procedure.encounter
                  Definition

                  The Encounter during which this Procedure was created or performed or to which the creation of this record is tightly associated.

                  ShortEncounter created as part of
                  Comments

                  This will typically be the encounter the event occurred within, but some activities may be initiated prior to or after the official completion of an encounter but still be tied to the context of the encounter.

                  Control0..1
                  This element is affected by the following invariants: ele-1
                  TypeReference(Encounter)
                  Summarytrue
                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                  ref-1: SHALL have a contained resource if a local reference is provided (reference.startsWith('#').not() or (reference.substring(1).trace('url') in %rootResource.contained.id.trace('ids')))
                  86. Procedure.performed[x]
                  Definition

                  The start and end period

                  ShortWhen the procedure was performed
                  Comments

                  Age is generally used when the patient reports an age at which the procedure was performed. Range is generally used when the patient reports an age range when the procedure was performed, such as sometime between 20-25 years old. dateTime supports a range of precision due to some procedures being reported as past procedures that might not have millisecond precision while other procedures performed and documented during the encounter might have more precise UTC timestamps with timezone.

                  Control1..1
                  This element is affected by the following invariants: ele-1
                  TypePeriod
                  [x] NoteSee Choice of Data Types for further information about how to use [x]
                  Must Supporttrue
                  Summarytrue
                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                  88. Procedure.performed[x].id
                  Definition

                  Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                  ShortUnique id for inter-element referencing
                  Control0..1
                  Typestring
                  XML FormatIn the XML format, this property is represented as an attribute.
                  90. Procedure.performed[x].extension
                  Definition

                  May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                  ShortAdditional content defined by implementations
                  Comments

                  There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                  Control0..*
                  This element is affected by the following invariants: ele-1
                  TypeExtension
                  Standards StatusNormative (from Trial Use)
                  Alternate Namesextensions, user content
                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                  ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                  SlicingThis element introduces a set of slices on Procedure.performed[x].extension. The slices are unordered and Open, and can be differentiated using the following discriminators:
                  • value @ url
                  • 92. Procedure.performed[x].start
                    Definition

                    Start date and time. They should be extracted from MOSAIQ/ARIA Record and Verify.

                    ShortStart date
                    Comments

                    If the low element is missing, the meaning is that the low boundary is not known.

                    Control1..1
                    This element is affected by the following invariants: ele-1, per-1
                    TypedateTime
                    Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                    Must Supporttrue
                    Summarytrue
                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                    94. Procedure.performed[x].end
                    Definition

                    End date and time. They should be extracted from MOSAIQ/ARIA Record and Verify.

                    ShortEnd date
                    Comments

                    The high value includes any matching date/time. i.e. 2012-02-03T10:00:00 is in a period that has an end value of 2012-02-03.

                    Control1..1
                    This element is affected by the following invariants: ele-1, per-1
                    TypedateTime
                    Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                    Must Supporttrue
                    Summarytrue
                    Meaning if MissingIf the end of the period is missing, it means that the period is ongoing
                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                    96. Procedure.recorder
                    Definition

                    Individual who recorded the record and takes responsibility for its content.

                    ShortWho recorded the procedure
                    Comments

                    References SHALL be a reference to an actual FHIR resource, and SHALL be resolveable (allowing for access control, temporary unavailability, etc.). Resolution can be either by retrieval from the URL, or, where applicable by resource type, by treating an absolute reference as a canonical URL and looking it up in a local registry/repository.

                    Control0..1
                    This element is affected by the following invariants: ele-1
                    TypeReference(Patient, RelatedPerson, Practitioner, PractitionerRole)
                    Summarytrue
                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                    ref-1: SHALL have a contained resource if a local reference is provided (reference.startsWith('#').not() or (reference.substring(1).trace('url') in %rootResource.contained.id.trace('ids')))
                    98. Procedure.asserter
                    Definition

                    Individual who is making the procedure statement.

                    ShortPerson who asserts this procedure
                    Comments

                    References SHALL be a reference to an actual FHIR resource, and SHALL be resolveable (allowing for access control, temporary unavailability, etc.). Resolution can be either by retrieval from the URL, or, where applicable by resource type, by treating an absolute reference as a canonical URL and looking it up in a local registry/repository.

                    Control0..1
                    This element is affected by the following invariants: ele-1
                    TypeReference(Patient, RelatedPerson, Practitioner, PractitionerRole)
                    Summarytrue
                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                    ref-1: SHALL have a contained resource if a local reference is provided (reference.startsWith('#').not() or (reference.substring(1).trace('url') in %rootResource.contained.id.trace('ids')))
                    100. Procedure.performer
                    Definition

                    Limited to "real" people rather than equipment.

                    ShortThe people who performed the procedure
                    Control0..*
                    This element is affected by the following invariants: ele-1
                    TypeBackboneElement
                    Summarytrue
                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                    102. Procedure.performer.id
                    Definition

                    Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                    ShortUnique id for inter-element referencing
                    Control0..1
                    Typestring
                    XML FormatIn the XML format, this property is represented as an attribute.
                    104. Procedure.performer.extension
                    Definition

                    May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                    ShortAdditional content defined by implementations
                    Comments

                    There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                    Control0..*
                    This element is affected by the following invariants: ele-1
                    TypeExtension
                    Standards StatusNormative (from Trial Use)
                    Alternate Namesextensions, user content
                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                    ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                    SlicingThis element introduces a set of slices on Procedure.performer.extension. The slices are unordered and Open, and can be differentiated using the following discriminators:
                    • value @ url
                    • 106. Procedure.performer.modifierExtension
                      Definition

                      May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                      Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                      ShortExtensions that cannot be ignored even if unrecognized
                      Comments

                      There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                      Control0..*
                      This element is affected by the following invariants: ele-1
                      TypeExtension
                      Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                      Summarytrue
                      Requirements

                      Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                      Alternate Namesextensions, user content, modifiers
                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                      ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                      108. Procedure.performer.function
                      Definition

                      Distinguishes the type of involvement of the performer in the procedure. For example, surgeon, anaesthetist, endoscopist.

                      ShortType of performance
                      Comments

                      Not all terminology uses fit this general pattern. In some cases, models should not use CodeableConcept and use Coding directly and provide their own structure for managing text, codings, translations and the relationship between elements and pre- and post-coordination.

                      Control0..1
                      This element is affected by the following invariants: ele-1
                      BindingFor example codes, see ProcedurePerformerRoleCodes
                      (example to http://hl7.org/fhir/ValueSet/performer-role)

                      A code that identifies the role of a performer of the procedure.

                      TypeCodeableConcept
                      Summarytrue
                      Requirements

                      Allows disambiguation of the types of involvement of different performers.

                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                      110. Procedure.performer.actor
                      Definition

                      The practitioner who was involved in the procedure.

                      ShortThe reference to the practitioner
                      Comments

                      References SHALL be a reference to an actual FHIR resource, and SHALL be resolveable (allowing for access control, temporary unavailability, etc.). Resolution can be either by retrieval from the URL, or, where applicable by resource type, by treating an absolute reference as a canonical URL and looking it up in a local registry/repository.

                      Control1..1
                      This element is affected by the following invariants: ele-1
                      TypeReference(Practitioner, PractitionerRole, Organization, Patient, RelatedPerson, Device)
                      Summarytrue
                      Requirements

                      A reference to Device supports use cases, such as pacemakers.

                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                      ref-1: SHALL have a contained resource if a local reference is provided (reference.startsWith('#').not() or (reference.substring(1).trace('url') in %rootResource.contained.id.trace('ids')))
                      112. Procedure.performer.onBehalfOf
                      Definition

                      The organization the device or practitioner was acting on behalf of.

                      ShortOrganization the device or practitioner was acting for
                      Comments

                      References SHALL be a reference to an actual FHIR resource, and SHALL be resolveable (allowing for access control, temporary unavailability, etc.). Resolution can be either by retrieval from the URL, or, where applicable by resource type, by treating an absolute reference as a canonical URL and looking it up in a local registry/repository.

                      Control0..1
                      This element is affected by the following invariants: ele-1
                      TypeReference(Organization)
                      Requirements

                      Practitioners and Devices can be associated with multiple organizations. This element indicates which organization they were acting on behalf of when performing the action.

                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                      ref-1: SHALL have a contained resource if a local reference is provided (reference.startsWith('#').not() or (reference.substring(1).trace('url') in %rootResource.contained.id.trace('ids')))
                      114. Procedure.location
                      Definition

                      The location where the procedure actually happened. E.g. a newborn at home, a tracheostomy at a restaurant.

                      ShortWhere the procedure happened
                      Comments

                      References SHALL be a reference to an actual FHIR resource, and SHALL be resolveable (allowing for access control, temporary unavailability, etc.). Resolution can be either by retrieval from the URL, or, where applicable by resource type, by treating an absolute reference as a canonical URL and looking it up in a local registry/repository.

                      Control0..1
                      This element is affected by the following invariants: ele-1
                      TypeReference(Location)
                      Summarytrue
                      Requirements

                      Ties a procedure to where the records are likely kept.

                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                      ref-1: SHALL have a contained resource if a local reference is provided (reference.startsWith('#').not() or (reference.substring(1).trace('url') in %rootResource.contained.id.trace('ids')))
                      116. Procedure.reasonCode
                      Definition

                      The coded reason why the procedure was performed. This may be a coded entity of some type, or may simply be present as text.

                      ShortCoded reason procedure performed
                      Comments

                      Use Procedure.reasonCode when a code sufficiently describes the reason. Use Procedure.reasonReference when referencing a resource, which allows more information to be conveyed, such as onset date. Procedure.reasonCode and Procedure.reasonReference are not meant to be duplicative. For a single reason, either Procedure.reasonCode or Procedure.reasonReference can be used. Procedure.reasonCode may be a summary code, or Procedure.reasonReference may be used to reference a very precise definition of the reason using Condition | Observation | Procedure | DiagnosticReport | DocumentReference. Both Procedure.reasonCode and Procedure.reasonReference can be used if they are describing different reasons for the procedure.

                      Control0..*
                      This element is affected by the following invariants: ele-1
                      BindingFor example codes, see ProcedureReasonCodes
                      (example to http://hl7.org/fhir/ValueSet/procedure-reason)

                      A code that identifies the reason a procedure is required.

                      TypeCodeableConcept
                      Summarytrue
                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                      118. Procedure.reasonReference
                      Definition

                      The justification of why the procedure was performed.

                      ShortThe justification that the procedure was performed
                      Comments

                      It is possible for a procedure to be a reason (such as C-Section) for another procedure (such as an epidural). Other examples include endoscopy for dilatation and biopsy (a combination of diagnostic and therapeutic use). Use Procedure.reasonCode when a code sufficiently describes the reason. Use Procedure.reasonReference when referencing a resource, which allows more information to be conveyed, such as onset date. Procedure.reasonCode and Procedure.reasonReference are not meant to be duplicative. For a single reason, either Procedure.reasonCode or Procedure.reasonReference can be used. Procedure.reasonCode may be a summary code, or Procedure.reasonReference may be used to reference a very precise definition of the reason using Condition | Observation | Procedure | DiagnosticReport | DocumentReference. Both Procedure.reasonCode and Procedure.reasonReference can be used if they are describing different reasons for the procedure.

                      Control0..*
                      This element is affected by the following invariants: ele-1
                      TypeReference(Condition, Observation, Procedure, DiagnosticReport, DocumentReference)
                      Summarytrue
                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                      ref-1: SHALL have a contained resource if a local reference is provided (reference.startsWith('#').not() or (reference.substring(1).trace('url') in %rootResource.contained.id.trace('ids')))
                      120. Procedure.bodySite
                      Definition

                      Detailed and structured anatomical location information. Multiple locations are allowed - e.g. multiple punch biopsies of a lesion.

                      ShortTarget body sites
                      Comments

                      If the use case requires attributes from the BodySite resource (e.g. to identify and track separately) then use the standard extension procedure-targetbodystructure.

                      Control0..*
                      This element is affected by the following invariants: ele-1
                      BindingFor example codes, see SNOMEDCTBodyStructures
                      (example to http://hl7.org/fhir/ValueSet/body-site)

                      Codes describing anatomical locations. May include laterality.

                      TypeCodeableConcept
                      Summarytrue
                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                      122. Procedure.outcome
                      Definition

                      The outcome of the procedure - did it resolve the reasons for the procedure being performed?

                      ShortThe result of procedure
                      Comments

                      If outcome contains narrative text only, it can be captured using the CodeableConcept.text.

                      Control0..1
                      This element is affected by the following invariants: ele-1
                      BindingFor example codes, see ProcedureOutcomeCodes(SNOMEDCT)
                      (example to http://hl7.org/fhir/ValueSet/procedure-outcome)

                      An outcome of a procedure - whether it was resolved or otherwise.

                      TypeCodeableConcept
                      Summarytrue
                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                      124. Procedure.report
                      Definition

                      This could be a histology result, pathology report, surgical report, etc.

                      ShortAny report resulting from the procedure
                      Comments

                      There could potentially be multiple reports - e.g. if this was a procedure which took multiple biopsies resulting in a number of anatomical pathology reports.

                      Control0..*
                      This element is affected by the following invariants: ele-1
                      TypeReference(DiagnosticReport, DocumentReference, Composition)
                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                      ref-1: SHALL have a contained resource if a local reference is provided (reference.startsWith('#').not() or (reference.substring(1).trace('url') in %rootResource.contained.id.trace('ids')))
                      126. Procedure.complication
                      Definition

                      Any complications that occurred during the procedure, or in the immediate post-performance period. These are generally tracked separately from the notes, which will typically describe the procedure itself rather than any 'post procedure' issues.

                      ShortComplication following the procedure
                      Comments

                      If complications are only expressed by the narrative text, they can be captured using the CodeableConcept.text.

                      Control0..*
                      This element is affected by the following invariants: ele-1
                      BindingFor example codes, see Condition/Problem/DiagnosisCodes
                      (example to http://hl7.org/fhir/ValueSet/condition-code)

                      Codes describing complications that resulted from a procedure.

                      TypeCodeableConcept
                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                      128. Procedure.complicationDetail
                      Definition

                      Any complications that occurred during the procedure, or in the immediate post-performance period.

                      ShortA condition that is a result of the procedure
                      Comments

                      References SHALL be a reference to an actual FHIR resource, and SHALL be resolveable (allowing for access control, temporary unavailability, etc.). Resolution can be either by retrieval from the URL, or, where applicable by resource type, by treating an absolute reference as a canonical URL and looking it up in a local registry/repository.

                      Control0..*
                      This element is affected by the following invariants: ele-1
                      TypeReference(Condition)
                      Requirements

                      This is used to document a condition that is a result of the procedure, not the condition that was the reason for the procedure.

                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                      ref-1: SHALL have a contained resource if a local reference is provided (reference.startsWith('#').not() or (reference.substring(1).trace('url') in %rootResource.contained.id.trace('ids')))
                      130. Procedure.followUp
                      Definition

                      If the procedure required specific follow up - e.g. removal of sutures. The follow up may be represented as a simple note or could potentially be more complex, in which case the CarePlan resource can be used.

                      ShortInstructions for follow up
                      Comments

                      Not all terminology uses fit this general pattern. In some cases, models should not use CodeableConcept and use Coding directly and provide their own structure for managing text, codings, translations and the relationship between elements and pre- and post-coordination.

                      Control0..*
                      This element is affected by the following invariants: ele-1
                      BindingFor example codes, see ProcedureFollowUpCodes(SNOMEDCT)
                      (example to http://hl7.org/fhir/ValueSet/procedure-followup)

                      Specific follow up required for a procedure e.g. removal of sutures.

                      TypeCodeableConcept
                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                      132. Procedure.note
                      Definition

                      Any other notes and comments about the procedure.

                      ShortAdditional information about the procedure
                      Comments

                      For systems that do not have structured annotations, they can simply communicate a single annotation with no author or time. This element may need to be included in narrative because of the potential for modifying information. Annotations SHOULD NOT be used to communicate "modifying" information that could be computable. (This is a SHOULD because enforcing user behavior is nearly impossible).

                      Control0..*
                      This element is affected by the following invariants: ele-1
                      TypeAnnotation
                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                      134. Procedure.focalDevice
                      Definition

                      A device that is implanted, removed or otherwise manipulated (calibration, battery replacement, fitting a prosthesis, attaching a wound-vac, etc.) as a focal portion of the Procedure.

                      ShortManipulated, implanted, or removed device
                      Control0..*
                      This element is affected by the following invariants: ele-1
                      TypeBackboneElement
                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                      136. Procedure.focalDevice.id
                      Definition

                      Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                      ShortUnique id for inter-element referencing
                      Control0..1
                      Typestring
                      XML FormatIn the XML format, this property is represented as an attribute.
                      138. Procedure.focalDevice.extension
                      Definition

                      May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                      ShortAdditional content defined by implementations
                      Comments

                      There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                      Control0..*
                      This element is affected by the following invariants: ele-1
                      TypeExtension
                      Standards StatusNormative (from Trial Use)
                      Alternate Namesextensions, user content
                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                      ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                      SlicingThis element introduces a set of slices on Procedure.focalDevice.extension. The slices are unordered and Open, and can be differentiated using the following discriminators:
                      • value @ url
                      • 140. Procedure.focalDevice.modifierExtension
                        Definition

                        May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                        Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                        ShortExtensions that cannot be ignored even if unrecognized
                        Comments

                        There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                        Control0..*
                        This element is affected by the following invariants: ele-1
                        TypeExtension
                        Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                        Summarytrue
                        Requirements

                        Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                        Alternate Namesextensions, user content, modifiers
                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                        ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                        142. Procedure.focalDevice.action
                        Definition

                        The kind of change that happened to the device during the procedure.

                        ShortKind of change to device
                        Comments

                        Not all terminology uses fit this general pattern. In some cases, models should not use CodeableConcept and use Coding directly and provide their own structure for managing text, codings, translations and the relationship between elements and pre- and post-coordination.

                        Control0..1
                        This element is affected by the following invariants: ele-1
                        BindingThe codes SHOULD be taken from ProcedureDeviceActionCodes
                        (preferred to http://hl7.org/fhir/ValueSet/device-action)

                        A kind of change that happened to the device during the procedure.

                        TypeCodeableConcept
                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                        144. Procedure.focalDevice.manipulated
                        Definition

                        The device that was manipulated (changed) during the procedure.

                        ShortDevice that was changed
                        Comments

                        References SHALL be a reference to an actual FHIR resource, and SHALL be resolveable (allowing for access control, temporary unavailability, etc.). Resolution can be either by retrieval from the URL, or, where applicable by resource type, by treating an absolute reference as a canonical URL and looking it up in a local registry/repository.

                        Control1..1
                        This element is affected by the following invariants: ele-1
                        TypeReference(Device)
                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                        ref-1: SHALL have a contained resource if a local reference is provided (reference.startsWith('#').not() or (reference.substring(1).trace('url') in %rootResource.contained.id.trace('ids')))
                        146. Procedure.usedReference
                        Definition

                        Identifies medications, devices and any other substance used as part of the procedure.

                        ShortItems used during procedure
                        Comments

                        For devices actually implanted or removed, use Procedure.device.

                        Control0..*
                        This element is affected by the following invariants: ele-1
                        TypeReference(Device, Medication, Substance)
                        Requirements

                        Used for tracking contamination, etc.

                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                        ref-1: SHALL have a contained resource if a local reference is provided (reference.startsWith('#').not() or (reference.substring(1).trace('url') in %rootResource.contained.id.trace('ids')))
                        148. Procedure.usedCode
                        Definition

                        Identifies coded items that were used as part of the procedure.

                        ShortCoded items used during the procedure
                        Comments

                        For devices actually implanted or removed, use Procedure.device.

                        Control0..*
                        This element is affected by the following invariants: ele-1
                        BindingFor example codes, see FHIRDeviceTypes
                        (example to http://hl7.org/fhir/ValueSet/device-kind)

                        Codes describing items used during a procedure.

                        TypeCodeableConcept
                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))