ExternalAct
type: StructureDefinition
node role: treeRoot
id:
  v: ExternalAct
text:
  status:
    v: generated
  div: ExternalAct is a derivative of the RIM Act class, to be used when the other more specific classes are not appropriate.
extension:
  url:
    v: http://hl7.org/fhir/tools/StructureDefinition/logical-target
  value: boolean
    extension:
      url:
        v: http://hl7.org/fhir/StructureDefinition/data-absent-reason
      value: code
        v: not-applicable
extension:
  url:
    v: http://hl7.org/fhir/tools/StructureDefinition/xml-namespace
  value: uri
    v: urn:hl7-org:v3
extension:
  url:
    v: http://hl7.org/fhir/tools/StructureDefinition/xml-name
  value: string
    v: externalAct
extension:
  url:
    v: http://hl7.org/fhir/tools/StructureDefinition/logical-container
  value: uri
    v: http://hl7.org/cda/stds/core/StructureDefinition/ClinicalDocument
extension:
  url:
    v: http://hl7.org/fhir/tools/StructureDefinition/type-profile-style
  value: code
    v: cda
url:
  v: http://hl7.org/cda/stds/core/StructureDefinition/ExternalAct
version:
  v: 1.0.1
name:
  v: ExternalAct
title:
  v: ExternalAct (CDA Class)
status:
  v: active
experimental:
  v: false
date:
  v: 2025-10-10T09:58:30+10:00
publisher:
  v: HL7
description:
  v: ExternalAct is a derivative of the RIM Act class, to be used when the other more specific classes are not appropriate.
fhir version:
  v: 5.0.0
mapping:
  identity:
    v: rim
  uri:
    v: http://hl7.org/v3
  name:
    v: RIM Mapping
kind:
  v: logical
abstract:
  v: false
type:
  v: http://hl7.org/cda/stds/core/StructureDefinition/ExternalAct
base definition:
  v: http://hl7.org/cda/stds/core/StructureDefinition/InfrastructureRoot
  link: http://hl7.org/cda/stds/core/StructureDefinition/InfrastructureRoot
derivation:
  v: specialization
snapshot:
  extension:
    url:
      v: http://hl7.org/fhir/tools/StructureDefinition/snapshot-base-version
    value: string
      v: 1.0.1
  element:
    id:
      v: ExternalAct
    path:
      v: ExternalAct
    short:
      v: Base for all types and resources
    definition:
      v: Defines the basic properties of every data value. This is an abstract type, meaning that no value can be just a data value without belonging to any concrete type. Every concrete type is a specialization of this general abstract DataValue type.
    min:
      v: 1
    max:
      v: 1
    base:
      path:
        v: Base
      min:
        v: 0
      max:
        v: *
    is modifier:
      v: false
    mapping:
      identity:
        v: rim
      map:
        v: n/a
  element:
    id:
      v: ExternalAct.nullFlavor
    path:
      v: ExternalAct.nullFlavor
    representation:
      v: xmlAttr
    label:
      v: Exceptional Value Detail
    definition:
      v: If a value is an exceptional value (NULL-value), this specifies in what way and why proper information is missing.
    min:
      v: 0
    max:
      v: 1
    base:
      path:
        v: ANY.nullFlavor
      min:
        v: 0
      max:
        v: 1
    type:
      code:
        v: code
      profile:
        v: http://hl7.org/cda/stds/core/StructureDefinition/cs-simple
        link: http://hl7.org/cda/stds/core/StructureDefinition/cs-simple
    binding:
      strength:
        v: required
      value set:
        v: http://hl7.org/cda/stds/core/ValueSet/CDANullFlavor
        link: http://hl7.org/cda/stds/core/ValueSet/CDANullFlavor
  element:
    id:
      v: ExternalAct.realmCode
    path:
      v: ExternalAct.realmCode
    definition:
      v: When valued in an instance, this attribute signals the imposition of realm-specific constraints. The value of this attribute identifies the realm in question
    min:
      v: 0
    max:
      v: *
    base:
      path:
        v: InfrastructureRoot.realmCode
      min:
        v: 0
      max:
        v: *
    type:
      code:
        v: http://hl7.org/cda/stds/core/StructureDefinition/CS
  element:
    id:
      v: ExternalAct.typeId
    path:
      v: ExternalAct.typeId
    definition:
      v: When valued in an instance, this attribute signals the imposition of constraints defined in an HL7-specified message type. This might be a common type (also known as CMET in the messaging communication environment), or content included within a wrapper. The value of this attribute provides a unique identifier for the type in question.
    min:
      v: 0
    max:
      v: 1
    base:
      path:
        v: InfrastructureRoot.typeId
      min:
        v: 0
      max:
        v: 1
    type:
      code:
        v: http://hl7.org/cda/stds/core/StructureDefinition/II
    constraint:
      key:
        v: II-1
      severity:
        v: error
      human:
        v: An II instance must have either a root or an nullFlavor.
      expression:
        v: root.exists() or nullFlavor.exists()
      source:
        v: http://hl7.org/cda/stds/core/StructureDefinition/InfrastructureRoot
        link: http://hl7.org/cda/stds/core/StructureDefinition/InfrastructureRoot
  element:
    id:
      v: ExternalAct.typeId.nullFlavor
    path:
      v: ExternalAct.typeId.nullFlavor
    representation:
      v: xmlAttr

v: Exceptional Value Detail

v: If a value is an exceptional value (NULL-value), this specifies in what way and why proper information is missing.

v: 0

v: 1

path:
  v: ANY.nullFlavor
min:
  v: 0
max:
  v: 1

code:
  v: code
profile:
  v: http://hl7.org/cda/stds/core/StructureDefinition/cs-simple
  link: http://hl7.org/cda/stds/core/StructureDefinition/cs-simple

strength:
  v: required
value set:
  v: http://hl7.org/cda/stds/core/ValueSet/CDANullFlavor
  link: http://hl7.org/cda/stds/core/ValueSet/CDANullFlavor

id:
  v: ExternalAct.typeId.assigningAuthorityName
path:
  v: ExternalAct.typeId.assigningAuthorityName
representation:
  v: xmlAttr
label:
  v: Assigning Authority Name
definition:
  v: A human readable name or mnemonic for the assigning authority. The Assigning Authority Name has no computational value. The purpose of a Assigning Authority Name is to assist an unaided human interpreter of an II value to interpret the authority. Note: no automated processing must depend on the assigning authority name to be present in any form.
min:
  v: 0
max:
  v: 1
base:
  path:
    v: II.assigningAuthorityName
  min:
    v: 0
  max:
    v: 1
type:
  code:
    v: string
  profile:
    v: http://hl7.org/cda/stds/core/StructureDefinition/st-simple
    link: http://hl7.org/cda/stds/core/StructureDefinition/st-simple

id:
  v: ExternalAct.typeId.displayable
path:
  v: ExternalAct.typeId.displayable
representation:
  v: xmlAttr
label:
  v: Displayable
definition:
  v: Specifies if the identifier is intended for human display and data entry (displayable = true) as opposed to pure machine interoperation (displayable = false).
min:
  v: 0
max:
  v: 1
base:
  path:
    v: II.displayable
  min:
    v: 0
  max:
    v: 1
type:
  code:
    v: boolean
  profile:
    v: http://hl7.org/cda/stds/core/StructureDefinition/bl-simple
    link: http://hl7.org/cda/stds/core/StructureDefinition/bl-simple

id:
  v: ExternalAct.typeId.root
path:
  v: ExternalAct.typeId.root
representation:
  v: xmlAttr
label:
  v: Root
definition:
  v: Identifies the type as an HL7 Registered model
min:
  v: 1
max:
  v: 1
base:
  path:
    v: II.root
  min:
    v: 0
  max:
    v: 1
type:
  code:
    v: string
  profile:
    v: http://hl7.org/cda/stds/core/StructureDefinition/oid
    link: http://hl7.org/cda/stds/core/StructureDefinition/oid
  profile:
    v: http://hl7.org/cda/stds/core/StructureDefinition/uuid
    link: http://hl7.org/cda/stds/core/StructureDefinition/uuid
  profile:
    v: http://hl7.org/cda/stds/core/StructureDefinition/ruid
    link: http://hl7.org/cda/stds/core/StructureDefinition/ruid
fixed: string
  v: 2.16.840.1.113883.1.3

id:
  v: ExternalAct.typeId.extension
path:
  v: ExternalAct.typeId.extension
representation:
  v: xmlAttr
label:
  v: Extension
definition:
  v: A character string as a unique identifier within the scope of the identifier root.
min:
  v: 1
max:
  v: 1
base:
  path:
    v: II.extension
  min:
    v: 0
  max:
    v: 1
type:
  code:
    v: string
  profile:
    v: http://hl7.org/cda/stds/core/StructureDefinition/st-simple
    link: http://hl7.org/cda/stds/core/StructureDefinition/st-simple

id:
  v: ExternalAct.templateId
path:
  v: ExternalAct.templateId
definition:
  v: When valued in an instance, this attribute signals the imposition of a set of template-defined constraints. The value of this attribute provides a unique identifier for the templates in question
min:
  v: 0
max:
  v: *
base:
  path:
    v: InfrastructureRoot.templateId
  min:
    v: 0
  max:
    v: *
type:
  code:
    v: http://hl7.org/cda/stds/core/StructureDefinition/II

id:
  v: ExternalAct.classCode
path:
  v: ExternalAct.classCode
representation:
  v: xmlAttr
min:
  v: 0
max:
  v: 1
base:
  path:
    v: ExternalAct.classCode
  min:
    v: 0
  max:
    v: 1
type:
  code:
    v: code
  profile:
    v: http://hl7.org/cda/stds/core/StructureDefinition/cs-simple
    link: http://hl7.org/cda/stds/core/StructureDefinition/cs-simple
default value: code
  v: ACT
binding:
  strength:
    v: required
  value set:
    v: http://hl7.org/cda/stds/core/ValueSet/CDAActClass
    link: http://hl7.org/cda/stds/core/ValueSet/CDAActClass

id:
  v: ExternalAct.moodCode
path:
  v: ExternalAct.moodCode
representation:
  v: xmlAttr
min:
  v: 0
max:
  v: 1
base:
  path:
    v: ExternalAct.moodCode
  min:
    v: 0
  max:
    v: 1
type:
  code:
    v: code
  profile:
    v: http://hl7.org/cda/stds/core/StructureDefinition/cs-simple
    link: http://hl7.org/cda/stds/core/StructureDefinition/cs-simple
fixed: code
  v: EVN
binding:
  strength:
    v: required
  value set:
    v: http://hl7.org/cda/stds/core/ValueSet/CDAActMood
    link: http://hl7.org/cda/stds/core/ValueSet/CDAActMood

id:
  v: ExternalAct.id
path:
  v: ExternalAct.id
min:
  v: 0
max:
  v: *
base:
  path:
    v: ExternalAct.id
  min:
    v: 0
  max:
    v: *
type:
  code:
    v: http://hl7.org/cda/stds/core/StructureDefinition/II

id:
  v: ExternalAct.code
path:
  v: ExternalAct.code
min:
  v: 0
max:
  v: 1
base:
  path:
    v: ExternalAct.code
  min:
    v: 0
  max:
    v: 1
type:
  code:
    v: http://hl7.org/cda/stds/core/StructureDefinition/CD
binding:
  strength:
    v: example
  value set:
    v: http://terminology.hl7.org/ValueSet/v3-ActCode
    link: http://terminology.hl7.org/ValueSet/v3-ActCode

id:
  v: ExternalAct.text
path:
  v: ExternalAct.text
min:
  v: 0
max:
  v: 1
base:
  path:
    v: ExternalAct.text
  min:
    v: 0
  max:
    v: 1
type:
  code:
    v: http://hl7.org/cda/stds/core/StructureDefinition/ED

element:
  id:
    v: ExternalAct
  path:
    v: ExternalAct
  min:
    v: 1
  max:
    v: 1
element:
  id:
    v: ExternalAct.classCode
  path:
    v: ExternalAct.classCode
  representation:
    v: xmlAttr
  min:
    v: 0
  max:
    v: 1
  type:
    code:
      v: code
    profile:
      v: http://hl7.org/cda/stds/core/StructureDefinition/cs-simple
      link: http://hl7.org/cda/stds/core/StructureDefinition/cs-simple
  default value: code
    v: ACT
  binding:
    strength:
      v: required
    value set:
      v: http://hl7.org/cda/stds/core/ValueSet/CDAActClass
      link: http://hl7.org/cda/stds/core/ValueSet/CDAActClass
element:
  id:
    v: ExternalAct.moodCode
  path:
    v: ExternalAct.moodCode
  representation:
    v: xmlAttr
  min:
    v: 0
  max:
    v: 1
  type:
    code:
      v: code
    profile:
      v: http://hl7.org/cda/stds/core/StructureDefinition/cs-simple
      link: http://hl7.org/cda/stds/core/StructureDefinition/cs-simple
  fixed: code
    v: EVN
  binding:
    strength:
      v: required
    value set:
      v: http://hl7.org/cda/stds/core/ValueSet/CDAActMood
      link: http://hl7.org/cda/stds/core/ValueSet/CDAActMood
element:
  id:
    v: ExternalAct.id
  path:
    v: ExternalAct.id
  min:
    v: 0
  max:
    v: *
  type:
    code:
      v: http://hl7.org/cda/stds/core/StructureDefinition/II
element:
  id:
    v: ExternalAct.code
  path:
    v: ExternalAct.code
  min:
    v: 0
  max:
    v: 1
  type:
    code:
      v: http://hl7.org/cda/stds/core/StructureDefinition/CD
  binding:
    strength:
      v: example
    value set:
      v: http://terminology.hl7.org/ValueSet/v3-ActCode
      link: http://terminology.hl7.org/ValueSet/v3-ActCode
element:
  id:
    v: ExternalAct.text
  path:
    v: ExternalAct.text
  min:
    v: 0
  max:
    v: 1
  type:
    code:
      v: http://hl7.org/cda/stds/core/StructureDefinition/ED