ext-R5-ConceptMap.additionalAttribute
type: StructureDefinition
node role: treeRoot
id:
  v: ext-R5-ConceptMap.additionalAttribute
text:
  status:
    v: extensions
  div:
    v: Generated Narrative: StructureDefinition ext-R5-ConceptMap.additionalAttribute Name Flags Card. Type Description & Constraints<img src="[binary]" alt="doco" style="background-color: inherit"/> Extension 0..* Extension(4.0.1) R5: Definition of an additional attribute to act as a data source or target (new) #xD; Slices for extension 2..* Extension Extension Slice: Unordered, Open by value:url #xD; extension:code 1..1 Extension R5: Identifies this additional attribute through this resource (new) #xD; url 1..1 uri "code" #xD; value[x] 1..1 code Identifies this additional attribute through this resource #xD; extension:uri 0..1 Extension R5: Formal identifier for the data element referred to in this attribte (new) #xD; url 1..1 uri "uri" #xD; value[x] 0..1 uri Formal identifier for the data element referred to in this attribte #xD; extension:description 0..1 Extension R5: Why the additional attribute is defined, and/or what the data element it refers to is (new) #xD; url 1..1 uri "description" #xD; value[x] 0..1 string Why the additional attribute is defined, and/or what the data element it refers to is #xD; extension:type 1..1 Extension R5: code | Coding | string | boolean | Quantity (new) #xD; url 1..1 uri "type" #xD; value[x] 1..1 code code | Coding | string | boolean | Quantity Binding: R5ConceptmapAttributeTypeForR4 (0.1.0) (required): The type of a mapping attribute value. #xD; url 1..1 uri "http://hl7.org/fhir/5.0/StructureDefinition/extension-ConceptMap.additionalAttribute" #xD; value[x] 0..0 Value of extension #xD; <img src="[binary]" alt="doco" style="background-color: inherit"/> Documentation for this format
extension:
  url:
    v: http://hl7.org/fhir/StructureDefinition/structuredefinition-wg
    l: structuredefinition-wg
  value: Code
    v: fhir
extension:
  extension:
    url:
      v: packageId
      l: packageId
    value: Id
      v: hl7.fhir.uv.xver-r5.r4
  extension:
    url:
      v: version
      l: version
    value: String
      v: 0.1.0
  extension:
    url:
      v: uri
      l: uri
    value: Uri
      v: http://hl7.org/fhir/uv/xver/ImplementationGuide/hl7.fhir.uv.xver-r5.r4
      l: hl7.fhir.uv.xver-r5.r4
  url:
    v: http://hl7.org/fhir/StructureDefinition/package-source
    l: package-source
extension:
  extension:
    url:
      v: startFhirVersion
      l: startFhirVersion
    value: Code
      v: 4.0
  extension:
    url:
      v: endFhirVersion
      l: endFhirVersion
    value: Code
      v: 4.0
  url:
    v: http://hl7.org/fhir/StructureDefinition/version-specific-use
    l: version-specific-use
extension:
  url:
    v: http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm
    l: structuredefinition-fmm
  value: Integer
    v: 0
    extension:
      url:
        v: http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom
        l: structuredefinition-conformance-derivedFrom
      value: Canonical
        v: http://hl7.org/fhir/uv/xver/ImplementationGuide/hl7.fhir.uv.xver-r5.r4
        l: hl7.fhir.uv.xver-r5.r4
extension:
  url:
    v: http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status
    l: structuredefinition-standards-status
  value: Code
    v: trial-use
    extension:
      url:
        v: http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom
        l: structuredefinition-conformance-derivedFrom
      value: Canonical
        v: http://hl7.org/fhir/uv/xver/ImplementationGuide/hl7.fhir.uv.xver-r5.r4
        l: hl7.fhir.uv.xver-r5.r4
url:
  v: http://hl7.org/fhir/5.0/StructureDefinition/extension-ConceptMap.additionalAttribute
  l: extension-ConceptMap.additionalAttribute
version:
  v: 0.1.0
name:
  v: ExtensionConceptMap_AdditionalAttribute
title:
  v: R5: Definition of an additional attribute to act as a data source or target (new)
status:
  v: active
experimental:
  v: false
date:
  v: 2026-03-17T21:02:03.8104715+00:00
publisher:
  v: FHIR Infrastructure
contact:
  name:
    v: FHIR Infrastructure
  telecom:
    system:
      v: url
    value:
      v: http://www.hl7.org/Special/committees/fiwg
description:
  v: R5: `ConceptMap.additionalAttribute` (new:BackboneElement)
jurisdiction:
  coding:
    system:
      v: http://unstats.un.org/unsd/methods/m49/m49.htm
      l: m49.htm
    code:
      v: 001
    display:
      v: World
purpose:
  v: This extension is part of the cross-version definitions generated to enable use of the element `ConceptMap.additionalAttribute` as defined in FHIR R5 in FHIR R4. The source element is defined as: `ConceptMap.additionalAttribute` 0..* `BackboneElement` Across FHIR versions, the element set has been mapped as: * R5: `ConceptMap.additionalAttribute` 0..* `BackboneElement` Following are the generation technical comments: Element `ConceptMap.additionalAttribute` has a context of ConceptMap based on following the parent source element upwards and mapping to `ConceptMap`. Element `ConceptMap.additionalAttribute` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).
fhir version:
  v: 4.0.1
mapping:
  identity:
    v: rim
  uri:
    v: http://hl7.org/v3
    l: v3
  name:
    v: RIM Mapping
kind:
  v: complex-type
abstract:
  v: false
context:
  type:
    v: element
  expression:
    v: ConceptMap
type:
  v: Extension
  l: Extension
base definition:
  v: http://hl7.org/fhir/StructureDefinition/Extension|4.0.1
  l: http://hl7.org/fhir/StructureDefinition/Extension
derivation:
  v: constraint
snapshot:
  extension:
    url:
      v: http://hl7.org/fhir/tools/StructureDefinition/snapshot-base-version
      l: snapshot-base-version
    value: String
      v: 4.0.1
  element:
    id:
      v: Extension
    path:
      v: Extension
    short:
      v: R5: Definition of an additional attribute to act as a data source or target (new)
    definition:
      v: R5: `ConceptMap.additionalAttribute` (new:BackboneElement)
    comment:
      v: Element `ConceptMap.additionalAttribute` has a context of ConceptMap based on following the parent source element upwards and mapping to `ConceptMap`. Element `ConceptMap.additionalAttribute` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element). Additional attributes are used to define additional data elements where mapping data can be found. For an example, see [Specimen Type v2 -> SNOMED CT Mapping(conceptmap-example-specimen-type.html)
    min:
      v: 0
    max:
      v: *
    base:
      path:
        v: Extension
      min:
        v: 0
      max:
        v: *
    condition:
      v: ele-1
    constraint:
      key:
        v: ele-1
      severity:
        v: error
      human:
        v: All FHIR elements must have a @value or children
      expression:
        v: hasValue() or (children().count() > id.count())
      xpath:
        v: @value|f:*|h:div
      source:
        v: http://hl7.org/fhir/StructureDefinition/Element|4.0.1
        l: http://hl7.org/fhir/StructureDefinition/Element
    constraint:
      key:
        v: ext-1
      severity:
        v: error
      human:
        v: Must have either extensions or value[x], not both
      expression:
        v: extension.exists() != value.exists()
      xpath:
        v: exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])
      source:
        v: http://hl7.org/fhir/StructureDefinition/Extension|4.0.1
        l: http://hl7.org/fhir/StructureDefinition/Extension

v: false

id:
  v: Extension.id
path:
  v: Extension.id
representation:
  v: xmlAttr
short:
  v: Unique id for inter-element referencing
definition:
  v: Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.
min:
  v: 0
max:
  v: 1
base:
  path:
    v: Element.id
  min:
    v: 0
  max:
    v: 1
type:
  extension:
    url:
      v: http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type
      l: structuredefinition-fhir-type
    value: Url
      v: string
      l: string
  code:
    v: http://hl7.org/fhirpath/System.String
    l: System.String
is modifier:
  v: false
is summary:
  v: false
mapping:
  identity:
    v: rim
  map:
    v: n/a

id:
  v: Extension.extension
path:
  v: Extension.extension
slicing:
  discriminator:
    type:
      v: value
    path:
      v: url
  description:
    v: Extensions are always sliced by (at least) url
  ordered:
    v: false
  rules:
    v: open
short:
  v: Extension
definition:
  v: An Extension
min:
  v: 2
max:
  v: *
base:
  path:
    v: Element.extension
  min:
    v: 0
  max:
    v: *
type:
  code:
    v: Extension
    l: Extension
constraint:
  key:
    v: ele-1
  severity:
    v: error
  human:
    v: All FHIR elements must have a @value or children
  expression:
    v: hasValue() or (children().count() > id.count())
  xpath:
    v: @value|f:*|h:div
  source:
    v: http://hl7.org/fhir/StructureDefinition/Element|4.0.1
    l: http://hl7.org/fhir/StructureDefinition/Element
constraint:
  key:
    v: ext-1
  severity:
    v: error
  human:
    v: Must have either extensions or value[x], not both
  expression:
    v: extension.exists() != value.exists()
  xpath:
    v: exists(f:extension)!=exists(f:*[starts-with(local-name(.), "value")])
  source:
    v: http://hl7.org/fhir/StructureDefinition/Extension|4.0.1
    l: http://hl7.org/fhir/StructureDefinition/Extension
is modifier:
  v: false
is summary:
  v: false

id:
  v: Extension.extension:code
path:
  v: Extension.extension
slice name:
  v: code
short:
  v: R5: Identifies this additional attribute through this resource (new)
definition:
  v: R5: `ConceptMap.additionalAttribute.code` (new:code)
comment:
  v: Element `ConceptMap.additionalAttribute.code` is part of an existing definition because parent element `ConceptMap.additionalAttribute` requires a cross-version extension. Element `ConceptMap.additionalAttribute.code` has a context of ConceptMap based on following the parent source element upwards and mapping to `ConceptMap`. Element `ConceptMap.additionalAttribute.code` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).
requirements:
  v: Element `ConceptMap.additionalAttribute.code` is part of an existing definition because parent element `ConceptMap.additionalAttribute` requires a cross-version extension. Element `ConceptMap.additionalAttribute.code` has a context of ConceptMap based on following the parent source element upwards and mapping to `ConceptMap`. Element `ConceptMap.additionalAttribute.code` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).
min:
  v: 1
max:
  v: 1
base:
  path:
    v: Element.extension
  min:
    v: 0
  max:
    v: *
type:
  code:
    v: Extension
    l: Extension
constraint:
  key:
    v: ele-1
  severity:
    v: error
  human:
    v: All FHIR elements must have a @value or children
  expression:
    v: hasValue() or (children().count() > id.count())
  xpath:
    v: @value|f:*|h:div
  source:
    v: http://hl7.org/fhir/StructureDefinition/Element|4.0.1
    l: http://hl7.org/fhir/StructureDefinition/Element
constraint:
  key:
    v: ext-1
  severity:
    v: error
  human:
    v: Must have either extensions or value[x], not both
  expression:
    v: extension.exists() != value.exists()
  xpath:
    v: exists(f:extension)!=exists(f:*[starts-with(local-name(.), "value")])
  source:
    v: http://hl7.org/fhir/StructureDefinition/Extension|4.0.1
    l: http://hl7.org/fhir/StructureDefinition/Extension
is modifier:
  v: false
is summary:
  v: false

id:
  v: Extension.extension:code.id
path:
  v: Extension.extension.id
representation:
  v: xmlAttr
short:
  v: Unique id for inter-element referencing
definition:
  v: Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.
min:
  v: 0
max:
  v: 1
base:
  path:
    v: Element.id
  min:
    v: 0
  max:
    v: 1
type:
  extension:
    url:
      v: http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type
      l: structuredefinition-fhir-type
    value: Url
      v: string
      l: string
  code:
    v: http://hl7.org/fhirpath/System.String
    l: System.String
is modifier:
  v: false
is summary:
  v: false
mapping:
  identity:
    v: rim
  map:
    v: n/a

id:
  v: Extension.extension:code.extension
path:
  v: Extension.extension.extension
slicing:
  discriminator:
    type:
      v: value
    path:
      v: url
  description:
    v: Extensions are always sliced by (at least) url
  rules:
    v: open
short:
  v: Additional content defined by implementations
definition:
  v: 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.
comment:
  v: 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.
alias:
  v: extensions
alias:
  v: user content
min:
  v: 0
max:
  v: *
base:
  path:
    v: Element.extension
  min:
    v: 0
  max:
    v: *
type:
  code:
    v: Extension
    l: Extension
constraint:
  key:
    v: ele-1
  severity:
    v: error
  human:
    v: All FHIR elements must have a @value or children
  expression:
    v: hasValue() or (children().count() > id.count())
  xpath:
    v: @value|f:*|h:div
  source:
    v: http://hl7.org/fhir/StructureDefinition/Element|4.0.1
    l: http://hl7.org/fhir/StructureDefinition/Element
constraint:
  key:
    v: ext-1
  severity:
    v: error
  human:
    v: Must have either extensions or value[x], not both
  expression:
    v: extension.exists() != value.exists()
  xpath:
    v: exists(f:extension)!=exists(f:*[starts-with(local-name(.), "value")])
  source:
    v: http://hl7.org/fhir/StructureDefinition/Extension|4.0.1
    l: http://hl7.org/fhir/StructureDefinition/Extension
is modifier:
  v: false
is summary:
  v: false
mapping:
  identity:
    v: rim
  map:
    v: n/a

id:
  v: Extension.extension:code.url
path:
  v: Extension.extension.url
representation:
  v: xmlAttr
short:
  v: identifies the meaning of the extension
definition:
  v: Source of the definition for the extension code - a logical name or a URL.
comment:
  v: The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.
min:
  v: 1
max:
  v: 1
base:
  path:
    v: Extension.url
  min:
    v: 1
  max:
    v: 1
type:
  extension:
    url:
      v: http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type
      l: structuredefinition-fhir-type
    value: Url
      v: uri
      l: uri
  code:
    v: http://hl7.org/fhirpath/System.String
    l: System.String
fixed: Uri
  v: code
  l: code
is modifier:
  v: false
is summary:
  v: false
mapping:
  identity:
    v: rim
  map:
    v: N/A

id:
  v: Extension.extension:code.value[x]
path:
  v: Extension.extension.value[x]
short:
  v: Identifies this additional attribute through this resource
definition:
  v: A code that is used to identify this additional data attribute. The code is used internally in ConceptMap.group.element.target.dependsOn.attribute and ConceptMap.group.element.target.product.attribute.
min:
  v: 1
max:
  v: 1
base:
  path:
    v: Extension.value[x]
  min:
    v: 0
  max:
    v: 1
type:
  code:
    v: code
    l: code
constraint:
  key:
    v: ele-1
  severity:
    v: error
  human:
    v: All FHIR elements must have a @value or children
  expression:
    v: hasValue() or (children().count() > id.count())
  xpath:
    v: @value|f:*|h:div
  source:
    v: http://hl7.org/fhir/StructureDefinition/Element|4.0.1
    l: http://hl7.org/fhir/StructureDefinition/Element
is modifier:
  v: false
is summary:
  v: false
mapping:
  identity:
    v: rim
  map:
    v: N/A

id:
  v: Extension.extension:uri
path:
  v: Extension.extension
slice name:
  v: uri
short:
  v: R5: Formal identifier for the data element referred to in this attribte (new)
definition:
  v: R5: `ConceptMap.additionalAttribute.uri` (new:uri)
comment:
  v: Element `ConceptMap.additionalAttribute.uri` is part of an existing definition because parent element `ConceptMap.additionalAttribute` requires a cross-version extension. Element `ConceptMap.additionalAttribute.uri` has a context of ConceptMap based on following the parent source element upwards and mapping to `ConceptMap`. Element `ConceptMap.additionalAttribute.uri` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).
requirements:
  v: Element `ConceptMap.additionalAttribute.uri` is part of an existing definition because parent element `ConceptMap.additionalAttribute` requires a cross-version extension. Element `ConceptMap.additionalAttribute.uri` has a context of ConceptMap based on following the parent source element upwards and mapping to `ConceptMap`. Element `ConceptMap.additionalAttribute.uri` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).
min:
  v: 0
max:
  v: 1
base:
  path:
    v: Element.extension
  min:
    v: 0
  max:
    v: *
type:
  code:
    v: Extension
    l: Extension
constraint:
  key:
    v: ele-1
  severity:
    v: error
  human:
    v: All FHIR elements must have a @value or children
  expression:
    v: hasValue() or (children().count() > id.count())
  xpath:
    v: @value|f:*|h:div
  source:
    v: http://hl7.org/fhir/StructureDefinition/Element|4.0.1
    l: http://hl7.org/fhir/StructureDefinition/Element
constraint:
  key:
    v: ext-1
  severity:
    v: error
  human:
    v: Must have either extensions or value[x], not both
  expression:
    v: extension.exists() != value.exists()
  xpath:
    v: exists(f:extension)!=exists(f:*[starts-with(local-name(.), "value")])
  source:
    v: http://hl7.org/fhir/StructureDefinition/Extension|4.0.1
    l: http://hl7.org/fhir/StructureDefinition/Extension
is modifier:
  v: false
is summary:
  v: false

id:
  v: Extension.extension:uri.id
path:
  v: Extension.extension.id
representation:
  v: xmlAttr
short:
  v: Unique id for inter-element referencing
definition:
  v: Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.
min:
  v: 0
max:
  v: 1
base:
  path:
    v: Element.id
  min:
    v: 0
  max:
    v: 1
type:
  extension:
    url:
      v: http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type
      l: structuredefinition-fhir-type
    value: Url
      v: string
      l: string
  code:
    v: http://hl7.org/fhirpath/System.String
    l: System.String
is modifier:
  v: false
is summary:
  v: false
mapping:
  identity:
    v: rim
  map:
    v: n/a

id:
  v: Extension.extension:uri.extension
path:
  v: Extension.extension.extension
slicing:
  discriminator:
    type:
      v: value
    path:
      v: url
  description:
    v: Extensions are always sliced by (at least) url
  rules:
    v: open
short:
  v: Additional content defined by implementations
definition:
  v: 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.
comment:
  v: 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.
alias:
  v: extensions
alias:
  v: user content
min:
  v: 0
max:
  v: *
base:
  path:
    v: Element.extension
  min:
    v: 0
  max:
    v: *
type:
  code:
    v: Extension
    l: Extension
constraint:
  key:
    v: ele-1
  severity:
    v: error
  human:
    v: All FHIR elements must have a @value or children
  expression:
    v: hasValue() or (children().count() > id.count())
  xpath:
    v: @value|f:*|h:div
  source:
    v: http://hl7.org/fhir/StructureDefinition/Element|4.0.1
    l: http://hl7.org/fhir/StructureDefinition/Element
constraint:
  key:
    v: ext-1
  severity:
    v: error
  human:
    v: Must have either extensions or value[x], not both
  expression:
    v: extension.exists() != value.exists()
  xpath:
    v: exists(f:extension)!=exists(f:*[starts-with(local-name(.), "value")])
  source:
    v: http://hl7.org/fhir/StructureDefinition/Extension|4.0.1
    l: http://hl7.org/fhir/StructureDefinition/Extension
is modifier:
  v: false
is summary:
  v: false
mapping:
  identity:
    v: rim
  map:
    v: n/a

id:
  v: Extension.extension:uri.url
path:
  v: Extension.extension.url
representation:
  v: xmlAttr
short:
  v: identifies the meaning of the extension
definition:
  v: Source of the definition for the extension code - a logical name or a URL.
comment:
  v: The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.
min:
  v: 1
max:
  v: 1
base:
  path:
    v: Extension.url
  min:
    v: 1
  max:
    v: 1
type:
  extension:
    url:
      v: http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type
      l: structuredefinition-fhir-type
    value: Url
      v: uri
      l: uri
  code:
    v: http://hl7.org/fhirpath/System.String
    l: System.String
fixed: Uri
  v: uri
  l: uri
is modifier:
  v: false
is summary:
  v: false
mapping:
  identity:
    v: rim
  map:
    v: N/A

id:
  v: Extension.extension:uri.value[x]
path:
  v: Extension.extension.value[x]
short:
  v: Formal identifier for the data element referred to in this attribte
definition:
  v: Reference to the formal definition of the source/target data element. For elements defined by the FHIR specification, or using a FHIR logical model, the correct format is {canonical-url}#{element-id}.
min:
  v: 0
max:
  v: 1
base:
  path:
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  max:
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type:
  code:
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    l: uri
constraint:
  key:
    v: ele-1
  severity:
    v: error
  human:
    v: All FHIR elements must have a @value or children
  expression:
    v: hasValue() or (children().count() > id.count())
  xpath:
    v: @value|f:*|h:div
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    v: http://hl7.org/fhir/StructureDefinition/Element|4.0.1
    l: http://hl7.org/fhir/StructureDefinition/Element
is modifier:
  v: false
is summary:
  v: false
mapping:
  identity:
    v: rim
  map:
    v: N/A

id:
  v: Extension.extension:description
path:
  v: Extension.extension
slice name:
  v: description
short:
  v: R5: Why the additional attribute is defined, and/or what the data element it refers to is (new)
definition:
  v: R5: `ConceptMap.additionalAttribute.description` (new:string)
comment:
  v: Element `ConceptMap.additionalAttribute.description` is part of an existing definition because parent element `ConceptMap.additionalAttribute` requires a cross-version extension. Element `ConceptMap.additionalAttribute.description` has a context of ConceptMap based on following the parent source element upwards and mapping to `ConceptMap`. Element `ConceptMap.additionalAttribute.description` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).
requirements:
  v: Element `ConceptMap.additionalAttribute.description` is part of an existing definition because parent element `ConceptMap.additionalAttribute` requires a cross-version extension. Element `ConceptMap.additionalAttribute.description` has a context of ConceptMap based on following the parent source element upwards and mapping to `ConceptMap`. Element `ConceptMap.additionalAttribute.description` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).
min:
  v: 0
max:
  v: 1
base:
  path:
    v: Element.extension
  min:
    v: 0
  max:
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type:
  code:
    v: Extension
    l: Extension
constraint:
  key:
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  severity:
    v: error
  human:
    v: All FHIR elements must have a @value or children
  expression:
    v: hasValue() or (children().count() > id.count())
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    v: @value|f:*|h:div
  source:
    v: http://hl7.org/fhir/StructureDefinition/Element|4.0.1
    l: http://hl7.org/fhir/StructureDefinition/Element
constraint:
  key:
    v: ext-1
  severity:
    v: error
  human:
    v: Must have either extensions or value[x], not both
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    v: extension.exists() != value.exists()
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    v: exists(f:extension)!=exists(f:*[starts-with(local-name(.), "value")])
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    l: http://hl7.org/fhir/StructureDefinition/Extension
is modifier:
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is summary:
  v: false

id:
  v: Extension.extension:description.id
path:
  v: Extension.extension.id
representation:
  v: xmlAttr
short:
  v: Unique id for inter-element referencing
definition:
  v: Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.
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  v: 0
max:
  v: 1
base:
  path:
    v: Element.id
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type:
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    url:
      v: http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type
      l: structuredefinition-fhir-type
    value: Url
      v: string
      l: string
  code:
    v: http://hl7.org/fhirpath/System.String
    l: System.String
is modifier:
  v: false
is summary:
  v: false
mapping:
  identity:
    v: rim
  map:
    v: n/a

id:
  v: Extension.extension:description.extension
path:
  v: Extension.extension.extension
slicing:
  discriminator:
    type:
      v: value
    path:
      v: url
  description:
    v: Extensions are always sliced by (at least) url
  rules:
    v: open
short:
  v: Additional content defined by implementations
definition:
  v: 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.
comment:
  v: 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.
alias:
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alias:
  v: user content
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  max:
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constraint:
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  severity:
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  human:
    v: All FHIR elements must have a @value or children
  expression:
    v: hasValue() or (children().count() > id.count())
  xpath:
    v: @value|f:*|h:div
  source:
    v: http://hl7.org/fhir/StructureDefinition/Element|4.0.1
    l: http://hl7.org/fhir/StructureDefinition/Element
constraint:
  key:
    v: ext-1
  severity:
    v: error
  human:
    v: Must have either extensions or value[x], not both
  expression:
    v: extension.exists() != value.exists()
  xpath:
    v: exists(f:extension)!=exists(f:*[starts-with(local-name(.), "value")])
  source:
    v: http://hl7.org/fhir/StructureDefinition/Extension|4.0.1
    l: http://hl7.org/fhir/StructureDefinition/Extension
is modifier:
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is summary:
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mapping:
  identity:
    v: rim
  map:
    v: n/a

id:
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path:
  v: Extension.extension.url
representation:
  v: xmlAttr
short:
  v: identifies the meaning of the extension
definition:
  v: Source of the definition for the extension code - a logical name or a URL.
comment:
  v: The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.
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max:
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base:
  path:
    v: Extension.url
  min:
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  max:
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type:
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      v: http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type
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    value: Url
      v: uri
      l: uri
  code:
    v: http://hl7.org/fhirpath/System.String
    l: System.String
fixed: Uri
  v: description
  l: description
is modifier:
  v: false
is summary:
  v: false
mapping:
  identity:
    v: rim
  map:
    v: N/A

id:
  v: Extension.extension:description.value[x]
path:
  v: Extension.extension.value[x]
short:
  v: Why the additional attribute is defined, and/or what the data element it refers to is
definition:
  v: A description of the additional attribute and/or the data element it refers to - why it is defined, and how the value might be used in mappings, and a discussion of issues associated with the use of the data element.
min:
  v: 0
max:
  v: 1
base:
  path:
    v: Extension.value[x]
  min:
    v: 0
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    v: 1
type:
  code:
    v: string
    l: string
constraint:
  key:
    v: ele-1
  severity:
    v: error
  human:
    v: All FHIR elements must have a @value or children
  expression:
    v: hasValue() or (children().count() > id.count())
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    v: http://hl7.org/fhir/StructureDefinition/Element|4.0.1
    l: http://hl7.org/fhir/StructureDefinition/Element
is modifier:
  v: false
is summary:
  v: false
mapping:
  identity:
    v: rim
  map:
    v: N/A

id:
  v: Extension.extension:type
path:
  v: Extension.extension
slice name:
  v: type
short:
  v: R5: code | Coding | string | boolean | Quantity (new)
definition:
  v: R5: `ConceptMap.additionalAttribute.type` (new:code)
comment:
  v: Element `ConceptMap.additionalAttribute.type` is part of an existing definition because parent element `ConceptMap.additionalAttribute` requires a cross-version extension. Element `ConceptMap.additionalAttribute.type` has a context of ConceptMap based on following the parent source element upwards and mapping to `ConceptMap`. Element `ConceptMap.additionalAttribute.type` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element). When the source or target is not content defined by FHIR, some additional application logic might be required to map from the FHIR Datatype to the externally defined content
requirements:
  v: Element `ConceptMap.additionalAttribute.type` is part of an existing definition because parent element `ConceptMap.additionalAttribute` requires a cross-version extension. Element `ConceptMap.additionalAttribute.type` has a context of ConceptMap based on following the parent source element upwards and mapping to `ConceptMap`. Element `ConceptMap.additionalAttribute.type` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).
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type:
  code:
    v: Extension
    l: Extension
constraint:
  key:
    v: ele-1
  severity:
    v: error
  human:
    v: All FHIR elements must have a @value or children
  expression:
    v: hasValue() or (children().count() > id.count())
  xpath:
    v: @value|f:*|h:div
  source:
    v: http://hl7.org/fhir/StructureDefinition/Element|4.0.1
    l: http://hl7.org/fhir/StructureDefinition/Element
constraint:
  key:
    v: ext-1
  severity:
    v: error
  human:
    v: Must have either extensions or value[x], not both
  expression:
    v: extension.exists() != value.exists()
  xpath:
    v: exists(f:extension)!=exists(f:*[starts-with(local-name(.), "value")])
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    v: http://hl7.org/fhir/StructureDefinition/Extension|4.0.1
    l: http://hl7.org/fhir/StructureDefinition/Extension
is modifier:
  v: false
is summary:
  v: false

id:
  v: Extension.extension:type.id
path:
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representation:
  v: xmlAttr
short:
  v: Unique id for inter-element referencing
definition:
  v: Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.
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  v: 0
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  v: 1
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  path:
    v: Element.id
  min:
    v: 0
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    v: 1
type:
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    url:
      v: http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type
      l: structuredefinition-fhir-type
    value: Url
      v: string
      l: string
  code:
    v: http://hl7.org/fhirpath/System.String
    l: System.String
is modifier:
  v: false
is summary:
  v: false
mapping:
  identity:
    v: rim
  map:
    v: n/a

id:
  v: Extension.extension:type.extension
path:
  v: Extension.extension.extension
slicing:
  discriminator:
    type:
      v: value
    path:
      v: url
  description:
    v: Extensions are always sliced by (at least) url
  rules:
    v: open
short:
  v: Additional content defined by implementations
definition:
  v: 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.
comment:
  v: 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.
alias:
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alias:
  v: user content
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max:
  v: *
base:
  path:
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  min:
    v: 0
  max:
    v: *
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  code:
    v: Extension
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  key:
    v: ele-1
  severity:
    v: error
  human:
    v: All FHIR elements must have a @value or children
  expression:
    v: hasValue() or (children().count() > id.count())
  xpath:
    v: @value|f:*|h:div
  source:
    v: http://hl7.org/fhir/StructureDefinition/Element|4.0.1
    l: http://hl7.org/fhir/StructureDefinition/Element
constraint:
  key:
    v: ext-1
  severity:
    v: error
  human:
    v: Must have either extensions or value[x], not both
  expression:
    v: extension.exists() != value.exists()
  xpath:
    v: exists(f:extension)!=exists(f:*[starts-with(local-name(.), "value")])
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    v: http://hl7.org/fhir/StructureDefinition/Extension|4.0.1
    l: http://hl7.org/fhir/StructureDefinition/Extension
is modifier:
  v: false
is summary:
  v: false
mapping:
  identity:
    v: rim
  map:
    v: n/a

id:
  v: Extension.extension:type.url
path:
  v: Extension.extension.url
representation:
  v: xmlAttr
short:
  v: identifies the meaning of the extension
definition:
  v: Source of the definition for the extension code - a logical name or a URL.
comment:
  v: The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.
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max:
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  max:
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type:
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      v: http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type
      l: structuredefinition-fhir-type
    value: Url
      v: uri
      l: uri
  code:
    v: http://hl7.org/fhirpath/System.String
    l: System.String
fixed: Uri
  v: type
  l: type
is modifier:
  v: false
is summary:
  v: false
mapping:
  identity:
    v: rim
  map:
    v: N/A

id:
  v: Extension.extension:type.value[x]
path:
  v: Extension.extension.value[x]
short:
  v: code | Coding | string | boolean | Quantity
definition:
  v: The type of the source data contained in this concept map for this data element.
comment:
  v: When the source or target is not content defined by FHIR, some additional application logic might be required to map from the FHIR Datatype to the externally defined content
min:
  v: 1
max:
  v: 1
base:
  path:
    v: Extension.value[x]
  min:
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    v: 1
type:
  code:
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    l: code
constraint:
  key:
    v: ele-1
  severity:
    v: error
  human:
    v: All FHIR elements must have a @value or children
  expression:
    v: hasValue() or (children().count() > id.count())
  xpath:
    v: @value|f:*|h:div
  source:
    v: http://hl7.org/fhir/StructureDefinition/Element|4.0.1
    l: http://hl7.org/fhir/StructureDefinition/Element
is modifier:
  v: false
is summary:
  v: false
binding:
  strength:
    v: required
  description:
    v: The type of a mapping attribute value.
  value set:
    v: http://hl7.org/fhir/uv/xver/ValueSet/R5-conceptmap-attribute-type-for-R4|0.1.0
    l: http://hl7.org/fhir/uv/xver/ValueSet/R5-conceptmap-attribute-type-for-R4
mapping:
  identity:
    v: rim
  map:
    v: N/A

id:
  v: Extension.url
path:
  v: Extension.url
representation:
  v: xmlAttr
short:
  v: identifies the meaning of the extension
definition:
  v: Source of the definition for the extension code - a logical name or a URL.
comment:
  v: The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.
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  min:
    v: 1
  max:
    v: 1
type:
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    value: Url
      v: uri
      l: uri
  code:
    v: http://hl7.org/fhirpath/System.String
    l: System.String
fixed: Uri
  v: http://hl7.org/fhir/5.0/StructureDefinition/extension-ConceptMap.additionalAttribute
  l: extension-ConceptMap.additionalAttribute
is modifier:
  v: false
is summary:
  v: false
mapping:
  identity:
    v: rim
  map:
    v: N/A

id:
  v: Extension.value[x]
path:
  v: Extension.value[x]
short:
  v: Value of extension
definition:
  v: Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list).
min:
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max:
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base:
  path:
    v: Extension.value[x]
  min:
    v: 0
  max:
    v: 1
type:
  code:
    v: base64Binary
    l: base64Binary
type:
  code:
    v: boolean
    l: boolean
type:
  code:
    v: canonical
    l: canonical
type:
  code:
    v: code
    l: code
type:
  code:
    v: date
    l: date
type:
  code:
    v: dateTime
    l: dateTime
type:
  code:
    v: decimal
    l: decimal
type:
  code:
    v: id
    l: id
type:
  code:
    v: instant
    l: instant
type:
  code:
    v: integer
    l: integer
type:
  code:
    v: markdown
    l: markdown
type:
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    v: oid
    l: oid
type:
  code:
    v: positiveInt
    l: positiveInt
type:
  code:
    v: string
    l: string
type:
  code:
    v: time
    l: time
type:
  code:
    v: unsignedInt
    l: unsignedInt
type:
  code:
    v: uri
    l: uri
type:
  code:
    v: url
    l: url
type:
  code:
    v: uuid
    l: uuid
type:
  code:
    v: Address
    l: Address
type:
  code:
    v: Age
    l: Age
type:
  code:
    v: Annotation
    l: Annotation
type:
  code:
    v: Attachment
    l: Attachment
type:
  code:
    v: CodeableConcept
    l: CodeableConcept
type:
  code:
    v: Coding
    l: Coding
type:
  code:
    v: ContactPoint
    l: ContactPoint
type:
  code:
    v: Count
    l: Count
type:
  code:
    v: Distance
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type:
  code:
    v: Duration
    l: Duration
type:
  code:
    v: HumanName
    l: HumanName
type:
  code:
    v: Identifier
    l: Identifier
type:
  code:
    v: Money
    l: Money
type:
  code:
    v: Period
    l: Period
type:
  code:
    v: Quantity
    l: Quantity
type:
  code:
    v: Range
    l: Range
type:
  code:
    v: Ratio
    l: Ratio
type:
  code:
    v: Reference
    l: Reference
type:
  code:
    v: SampledData
    l: SampledData
type:
  code:
    v: Signature
    l: Signature
type:
  code:
    v: Timing
    l: Timing
type:
  code:
    v: ContactDetail
    l: ContactDetail
type:
  code:
    v: Contributor
    l: Contributor
type:
  code:
    v: DataRequirement
    l: DataRequirement
type:
  code:
    v: Expression
    l: Expression
type:
  code:
    v: ParameterDefinition
    l: ParameterDefinition
type:
  code:
    v: RelatedArtifact
    l: RelatedArtifact

code:
  v: TriggerDefinition
  l: TriggerDefinition

code:
  v: UsageContext
  l: UsageContext

code:
  v: Dosage
  l: Dosage

code:
  v: Meta
  l: Meta

key:
  v: ele-1
severity:
  v: error
human:
  v: All FHIR elements must have a @value or children
expression:
  v: hasValue() or (children().count() > id.count())
xpath:
  v: @value|f:*|h:div
source:
  v: http://hl7.org/fhir/StructureDefinition/Element|4.0.1
  l: http://hl7.org/fhir/StructureDefinition/Element

v: false

v: false

identity:
  v: rim
map:
  v: N/A

element:
  id:
    v: Extension
  path:
    v: Extension
  short:
    v: R5: Definition of an additional attribute to act as a data source or target (new)
  definition:
    v: R5: `ConceptMap.additionalAttribute` (new:BackboneElement)
  comment:
    v: Element `ConceptMap.additionalAttribute` has a context of ConceptMap based on following the parent source element upwards and mapping to `ConceptMap`. Element `ConceptMap.additionalAttribute` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element). Additional attributes are used to define additional data elements where mapping data can be found. For an example, see [Specimen Type v2 -> SNOMED CT Mapping(conceptmap-example-specimen-type.html)
  min:
    v: 0
  max:
    v: *
  base:
    path:
      v: Extension
    min:
      v: 0
    max:
      v: *
  is modifier:
    v: false
element:
  id:
    v: Extension.extension
  path:
    v: Extension.extension
  slicing:
    discriminator:
      type:
        v: value
      path:
        v: url
    ordered:
      v: false
    rules:
      v: open
  min:
    v: 2
  max:
    v: *
  base:
    path:
      v: Extension.extension
    min:
      v: 0
    max:
      v: *
element:
  id:
    v: Extension.extension:code
  path:
    v: Extension.extension
  slice name:
    v: code
  short:
    v: R5: Identifies this additional attribute through this resource (new)
  definition:
    v: R5: `ConceptMap.additionalAttribute.code` (new:code)
  comment:
    v: Element `ConceptMap.additionalAttribute.code` is part of an existing definition because parent element `ConceptMap.additionalAttribute` requires a cross-version extension. Element `ConceptMap.additionalAttribute.code` has a context of ConceptMap based on following the parent source element upwards and mapping to `ConceptMap`. Element `ConceptMap.additionalAttribute.code` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).
  requirements:
    v: Element `ConceptMap.additionalAttribute.code` is part of an existing definition because parent element `ConceptMap.additionalAttribute` requires a cross-version extension. Element `ConceptMap.additionalAttribute.code` has a context of ConceptMap based on following the parent source element upwards and mapping to `ConceptMap`. Element `ConceptMap.additionalAttribute.code` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).
  min:
    v: 1
  max:
    v: 1
  base:
    path:
      v: Extension.extension
    min:
      v: 0
    max:
      v: *
element:
  id:
    v: Extension.extension:code.url
  path:
    v: Extension.extension.url
  min:
    v: 1
  max:
    v: 1
  base:
    path:
      v: Extension.url
    min:
      v: 1
    max:
      v: 1
  fixed: Uri
    v: code
    l: code
element:
  id:
    v: Extension.extension:code.value[x]
  path:
    v: Extension.extension.value[x]
  short:
    v: Identifies this additional attribute through this resource
  definition:
    v: A code that is used to identify this additional data attribute. The code is used internally in ConceptMap.group.element.target.dependsOn.attribute and ConceptMap.group.element.target.product.attribute.
  min:
    v: 1
  max:
    v: 1
  base:
    path:
      v: Extension.value[x]
    min:
      v: 0
    max:
      v: 1
  type:
    code:
      v: code
      l: code
element:
  id:
    v: Extension.extension:uri
  path:
    v: Extension.extension
  slice name:
    v: uri
  short:
    v: R5: Formal identifier for the data element referred to in this attribte (new)
  definition:
    v: R5: `ConceptMap.additionalAttribute.uri` (new:uri)
  comment:
    v: Element `ConceptMap.additionalAttribute.uri` is part of an existing definition because parent element `ConceptMap.additionalAttribute` requires a cross-version extension. Element `ConceptMap.additionalAttribute.uri` has a context of ConceptMap based on following the parent source element upwards and mapping to `ConceptMap`. Element `ConceptMap.additionalAttribute.uri` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).
  requirements:
    v: Element `ConceptMap.additionalAttribute.uri` is part of an existing definition because parent element `ConceptMap.additionalAttribute` requires a cross-version extension. Element `ConceptMap.additionalAttribute.uri` has a context of ConceptMap based on following the parent source element upwards and mapping to `ConceptMap`. Element `ConceptMap.additionalAttribute.uri` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).
  min:
    v: 0
  max:
    v: 1
  base:
    path:
      v: Extension.extension
    min:
      v: 0
    max:
      v: *
element:
  id:
    v: Extension.extension:uri.url
  path:
    v: Extension.extension.url
  min:
    v: 1
  max:
    v: 1
  base:
    path:
      v: Extension.url
    min:
      v: 1
    max:
      v: 1
  fixed: Uri
    v: uri
    l: uri
element:
  id:
    v: Extension.extension:uri.value[x]
  path:
    v: Extension.extension.value[x]
  short:
    v: Formal identifier for the data element referred to in this attribte
  definition:
    v: Reference to the formal definition of the source/target data element. For elements defined by the FHIR specification, or using a FHIR logical model, the correct format is {canonical-url}#{element-id}.
  min:
    v: 0
  max:
    v: 1
  base:
    path:
      v: Extension.value[x]
    min:
      v: 0
    max:
      v: 1
  type:
    code:
      v: uri
      l: uri
element:
  id:
    v: Extension.extension:description
  path:
    v: Extension.extension
  slice name:
    v: description
  short:
    v: R5: Why the additional attribute is defined, and/or what the data element it refers to is (new)
  definition:
    v: R5: `ConceptMap.additionalAttribute.description` (new:string)
  comment:
    v: Element `ConceptMap.additionalAttribute.description` is part of an existing definition because parent element `ConceptMap.additionalAttribute` requires a cross-version extension. Element `ConceptMap.additionalAttribute.description` has a context of ConceptMap based on following the parent source element upwards and mapping to `ConceptMap`. Element `ConceptMap.additionalAttribute.description` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).

v: Element `ConceptMap.additionalAttribute.description` is part of an existing definition because parent element `ConceptMap.additionalAttribute` requires a cross-version extension. Element `ConceptMap.additionalAttribute.description` has a context of ConceptMap based on following the parent source element upwards and mapping to `ConceptMap`. Element `ConceptMap.additionalAttribute.description` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).

v: 0

v: 1

path:
  v: Extension.extension
min:
  v: 0
max:
  v: *

id:
  v: Extension.extension:description.url
path:
  v: Extension.extension.url
min:
  v: 1
max:
  v: 1
base:
  path:
    v: Extension.url
  min:
    v: 1
  max:
    v: 1
fixed: Uri
  v: description
  l: description

id:
  v: Extension.extension:description.value[x]
path:
  v: Extension.extension.value[x]
short:
  v: Why the additional attribute is defined, and/or what the data element it refers to is
definition:
  v: A description of the additional attribute and/or the data element it refers to - why it is defined, and how the value might be used in mappings, and a discussion of issues associated with the use of the data element.
min:
  v: 0
max:
  v: 1
base:
  path:
    v: Extension.value[x]
  min:
    v: 0
  max:
    v: 1
type:
  code:
    v: string
    l: string

id:
  v: Extension.extension:type
path:
  v: Extension.extension
slice name:
  v: type
short:
  v: R5: code | Coding | string | boolean | Quantity (new)
definition:
  v: R5: `ConceptMap.additionalAttribute.type` (new:code)
comment:
  v: Element `ConceptMap.additionalAttribute.type` is part of an existing definition because parent element `ConceptMap.additionalAttribute` requires a cross-version extension. Element `ConceptMap.additionalAttribute.type` has a context of ConceptMap based on following the parent source element upwards and mapping to `ConceptMap`. Element `ConceptMap.additionalAttribute.type` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element). When the source or target is not content defined by FHIR, some additional application logic might be required to map from the FHIR Datatype to the externally defined content
requirements:
  v: Element `ConceptMap.additionalAttribute.type` is part of an existing definition because parent element `ConceptMap.additionalAttribute` requires a cross-version extension. Element `ConceptMap.additionalAttribute.type` has a context of ConceptMap based on following the parent source element upwards and mapping to `ConceptMap`. Element `ConceptMap.additionalAttribute.type` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).
min:
  v: 1
max:
  v: 1
base:
  path:
    v: Extension.extension
  min:
    v: 0
  max:
    v: *

id:
  v: Extension.extension:type.url
path:
  v: Extension.extension.url
min:
  v: 1
max:
  v: 1
base:
  path:
    v: Extension.url
  min:
    v: 1
  max:
    v: 1
fixed: Uri
  v: type
  l: type

id:
  v: Extension.extension:type.value[x]
path:
  v: Extension.extension.value[x]
short:
  v: code | Coding | string | boolean | Quantity
definition:
  v: The type of the source data contained in this concept map for this data element.
comment:
  v: When the source or target is not content defined by FHIR, some additional application logic might be required to map from the FHIR Datatype to the externally defined content
min:
  v: 1
max:
  v: 1
base:
  path:
    v: Extension.value[x]
  min:
    v: 0
  max:
    v: 1
type:
  code:
    v: code
    l: code
binding:
  strength:
    v: required
  description:
    v: The type of a mapping attribute value.
  value set:
    v: http://hl7.org/fhir/uv/xver/ValueSet/R5-conceptmap-attribute-type-for-R4|0.1.0
    l: http://hl7.org/fhir/uv/xver/ValueSet/R5-conceptmap-attribute-type-for-R4

id:
  v: Extension.url
path:
  v: Extension.url
min:
  v: 1
max:
  v: 1
base:
  path:
    v: Extension.url
  min:
    v: 1
  max:
    v: 1
fixed: Uri
  v: http://hl7.org/fhir/5.0/StructureDefinition/extension-ConceptMap.additionalAttribute
  l: extension-ConceptMap.additionalAttribute

id:
  v: Extension.value[x]
path:
  v: Extension.value[x]
min:
  v: 0
max:
  v: 0
base:
  path:
    v: Extension.value[x]
  min:
    v: 0
  max:
    v: 1