<status value="active"/> <experimental value="false"/> <date value="2026-03-17T21:02:03.8104715+00:00"/> <publisher value="FHIR Infrastructure"/> <contact> <name value="FHIR Infrastructure"/> <telecom> <system value="url"/> <value value="http://www.hl7.org/Special/committees/fiwg"/> </telecom> </contact> <description value="R5: `PlanDefinition.subject[x]` additional types (canonical(http://hl7.org/fhir/StructureDefinition/EvidenceVariable))"/> <jurisdiction> <coding> <system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/> <code value="001"/> <display value="World"/> </coding> </jurisdiction> <purpose value="This extension is part of the cross-version definitions generated to enable use of the element `PlanDefinition.subject[x]` as defined in FHIR R5 in FHIR R4. The source element is defined as: `PlanDefinition.subject[x]` 0..1 `canonical(http://hl7.org/fhir/StructureDefinition/EvidenceVariable), CodeableConcept, Reference(http://hl7.org/fhir/StructureDefinition/Group,http://hl7.org/fhir/StructureDefinition/MedicinalProductDefinition,http://hl7.org/fhir/StructureDefinition/SubstanceDefinition,http://hl7.org/fhir/StructureDefinition/AdministrableProductDefinition,http://hl7.org/fhir/StructureDefinition/ManufacturedItemDefinition,http://hl7.org/fhir/StructureDefinition/PackagedProductDefinition)` Across FHIR versions, the element set has been mapped as: * R5: `PlanDefinition.subject[x]` 0..1 `canonical(http://hl7.org/fhir/StructureDefinition/EvidenceVariable), CodeableConcept, Reference(http://hl7.org/fhir/StructureDefinition/Group,http://hl7.org/fhir/StructureDefinition/MedicinalProductDefinition,http://hl7.org/fhir/StructureDefinition/SubstanceDefinition,http://hl7.org/fhir/StructureDefinition/AdministrableProductDefinition,http://hl7.org/fhir/StructureDefinition/ManufacturedItemDefinition,http://hl7.org/fhir/StructureDefinition/PackagedProductDefinition)` * R4B: `PlanDefinition.subject[x]` 0..1 `canonical(http://hl7.org/fhir/StructureDefinition/MedicinalProductDefinition,http://hl7.org/fhir/StructureDefinition/SubstanceDefinition,http://hl7.org/fhir/StructureDefinition/AdministrableProductDefinition,http://hl7.org/fhir/StructureDefinition/ManufacturedItemDefinition,http://hl7.org/fhir/StructureDefinition/PackagedProductDefinition), CodeableConcept, Reference(http://hl7.org/fhir/StructureDefinition/Group)` * R4: `PlanDefinition.subject[x]` 0..1 `CodeableConcept, Reference(http://hl7.org/fhir/StructureDefinition/Group)` Following are the generation technical comments: Element `PlanDefinition.subject[x]` is mapped to FHIR R4 element `PlanDefinition.subject[x]` as `SourceIsBroaderThanTarget`. The mappings for `PlanDefinition.subject[x]` do not cover the following types: canonical. The target context `PlanDefinition.subject[x]` is a choice-type element and cannot directly hold extensions. The context is moved up to parent element `PlanDefinition`. The standard extension `alternate-reference` has been mapped as PART of the representation of FHIR R5 element `PlanDefinition.subject[x]` with unmapped reference targets: AdministrableProductDefinition, ManufacturedItemDefinition, MedicinalProductDefinition, PackagedProductDefinition, SubstanceDefinition. Source element `PlanDefinition.subject[x]` has unmapped reference types. While the target element `PlanDefinition.subject[x]` is a choice type and does not allow extensions, the `alternate-reference` extension can be applied to Reference values within it."/> <fhirVersion value="4.0.1"/> <mapping> <identity value="rim"/> <uri value="http://hl7.org/v3"/> <name value="RIM Mapping"/> </mapping> <kind value="complex-type"/> <abstract value="false"/> <context> <type value="element"/> <expression value="PlanDefinition"/> </context> <type value="Extension"/> <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"/> <derivation value="constraint"/> <snapshot> <extension url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-base-version"> <valueString value="4.0.1"/> </extension> <element id="Extension"> <path value="Extension"/> <short value="R5: subject additional types"/> <definition value="R5: `PlanDefinition.subject[x]` additional types (canonical(http://hl7.org/fhir/StructureDefinition/EvidenceVariable))"/> <comment value="Element `PlanDefinition.subject[x]` is mapped to FHIR R4 element `PlanDefinition.subject[x]` as `SourceIsBroaderThanTarget`. The mappings for `PlanDefinition.subject[x]` do not cover the following types: canonical. The target context `PlanDefinition.subject[x]` is a choice-type element and cannot directly hold extensions. The context is moved up to parent element `PlanDefinition`. The standard extension `alternate-reference` has been mapped as PART of the representation of FHIR R5 element `PlanDefinition.subject[x]` with unmapped reference targets: AdministrableProductDefinition, ManufacturedItemDefinition, MedicinalProductDefinition, PackagedProductDefinition, SubstanceDefinition. Source element `PlanDefinition.subject[x]` has unmapped reference types. While the target element `PlanDefinition.subject[x]` is a choice type and does not allow extensions, the `alternate-reference` extension can be applied to Reference values within it. Note that the choice of canonical for the subject element was introduced in R4B to support pharmaceutical quality use cases. To ensure as much backwards-compatibility as possible, it is recommended to only use the new canonical type with these use cases."/> <min value="0"/> <max value="1"/> <base> <path value="Extension"/> <min value="0"/> <max value="*"/> </base> <condition value="ele-1"/> <constraint> <key value="ele-1"/> <severity value="error"/> <human value="All FHIR elements must have a @value or children"/> <expression value="hasValue() or (children().count() > id.count())"/> <xpath value="@value|f:*|h:div"/> <source value="http://hl7.org/fhir/StructureDefinition/Element|4.0.1"/> </constraint> <constraint> <key value="ext-1"/> <severity value="error"/> <human value="Must have either extensions or value[x], not both"/> <expression value="extension.exists() != value.exists()"/> <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])"/> <source value="http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"/> </constraint> <isModifier value="false"/> </element> <element id="Extension.id"> <path value="Extension.id"/> <representation value="xmlAttr"/> <short value="Unique id for inter-element referencing"/> <definition value="Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces."/> <min value="0"/> <max value="1"/> <base> <path value="Element.id"/> <min value="0"/> <max value="1"/> </base> <type> <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type"> <valueUrl value="string"/> </extension> <code value="http://hl7.org/fhirpath/System.String"/> </type> <isModifier value="false"/> <isSummary value="false"/> <mapping> <identity value="rim"/> <map value="n/a"/> </mapping> </element> <element id="Extension.extension"> <path value="Extension.extension"/> <slicing> <discriminator> <type value="value"/> <path value="url"/> </discriminator> <description value="Extensions are always sliced by (at least) url"/> <rules value="open"/> </slicing> <short value="Additional content defined by implementations"/> <definition value="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 value="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 value="extensions"/> <alias value="user content"/> <min value="0"/> <max value="*"/> <base> <path value="Element.extension"/> <min value="0"/> <max value="*"/> </base> <type> <code value="Extension"/> </type> <constraint> <key value="ele-1"/> <severity value="error"/> <human value="All FHIR elements must have a @value or children"/> <expression value="hasValue() or (children().count() > id.count())"/> <xpath value="@value|f:*|h:div"/> <source value="http://hl7.org/fhir/StructureDefinition/Element|4.0.1"/> </constraint> <constraint> <key value="ext-1"/> <severity value="error"/> <human value="Must have either extensions or value[x], not both"/> <expression value="extension.exists() != value.exists()"/> <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), "value")])"/> <source value="http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"/> </constraint> <isModifier value="false"/> <isSummary value="false"/> <mapping> <identity value="rim"/> <map value="n/a"/> </mapping> </element> <element id="Extension.url"> <path value="Extension.url"/> <representation value="xmlAttr"/> <short value="identifies the meaning of the extension"/> <definition value="Source of the definition for the extension code - a logical name or a URL."/> <comment value="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 value="1"/> <max value="1"/> <base> <path value="Extension.url"/> <min value="1"/> <max value="1"/> </base> <type> <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type"> <valueUrl value="uri"/> </extension> <code value="http://hl7.org/fhirpath/System.String"/> </type> <fixedUri value="http://hl7.org/fhir/5.0/StructureDefinition/extension-PlanDefinition.subject"/> <isModifier value="false"/> <isSummary value="false"/> <mapping> <identity value="rim"/> <map value="N/A"/> </mapping> </element> <element id="Extension.value[x]"> <path value="Extension.value[x]"/> <short value="Type of individual the plan definition is focused on"/> <definition value="A code, group definition, or canonical reference that describes or identifies the intended subject of the plan definition. Canonical references are allowed to support the definition of protocols for drug and substance quality specifications, and is allowed to reference a MedicinalProductDefinition, SubstanceDefinition, AdministrableProductDefinition, ManufacturedItemDefinition, or PackagedProductDefinition resource."/> <comment value="Note that the choice of canonical for the subject element was introduced in R4B to support pharmaceutical quality use cases. To ensure as much backwards-compatibility as possible, it is recommended to only use the new canonical type with these use cases."/> <min value="0"/> <max value="1"/> <base> <path value="Extension.value[x]"/> <min value="0"/> <max value="1"/> </base> <type> <code value="canonical"/> <targetProfile value="http://hl7.org/fhir/5.0/StructureDefinition/profile-EvidenceVariable|0.1.0"/> <targetProfile value="http://hl7.org/fhir/StructureDefinition/EvidenceVariable|4.0.1"/> </type> <constraint> <key value="ele-1"/> <severity value="error"/> <human value="All FHIR elements must have a @value or children"/> <expression value="hasValue() or (children().count() > id.count())"/> <xpath value="@value|f:*|h:div"/> <source value="http://hl7.org/fhir/StructureDefinition/Element|4.0.1"/> </constraint> <isModifier value="false"/> <isSummary value="false"/> <mapping> <identity value="rim"/> <map value="N/A"/> </mapping> </element> </snapshot> <differential> <element id="Extension"> <path value="Extension"/> <short value="R5: subject additional types"/> <definition value="R5: `PlanDefinition.subject[x]` additional types (canonical(http://hl7.org/fhir/StructureDefinition/EvidenceVariable))"/> <comment value="Element `PlanDefinition.subject[x]` is mapped to FHIR R4 element `PlanDefinition.subject[x]` as `SourceIsBroaderThanTarget`. The mappings for `PlanDefinition.subject[x]` do not cover the following types: canonical. The target context `PlanDefinition.subject[x]` is a choice-type element and cannot directly hold extensions. The context is moved up to parent element `PlanDefinition`. The standard extension `alternate-reference` has been mapped as PART of the representation of FHIR R5 element `PlanDefinition.subject[x]` with unmapped reference targets: AdministrableProductDefinition, ManufacturedItemDefinition, MedicinalProductDefinition, PackagedProductDefinition, SubstanceDefinition. Source element `PlanDefinition.subject[x]` has unmapped reference types. While the target element `PlanDefinition.subject[x]` is a choice type and does not allow extensions, the `alternate-reference` extension can be applied to Reference values within it. Note that the choice of canonical for the subject element was introduced in R4B to support pharmaceutical quality use cases. To ensure as much backwards-compatibility as possible, it is recommended to only use the new canonical type with these use cases."/> <min value="0"/> <max value="1"/> <base> <path value="Extension"/> <min value="0"/> <max value="*"/> </base> <isModifier value="false"/> </element> <element id="Extension.url"> <path value="Extension.url"/> <min value="1"/> <max value="1"/> <base> <path value="Extension.url"/> <min value="1"/> <max value="1"/> </base> <fixedUri value="http://hl7.org/fhir/5.0/StructureDefinition/extension-PlanDefinition.subject"/> </element> <element id="Extension.value[x]"> <path value="Extension.value[x]"/> <short value="Type of individual the plan definition is focused on"/> <definition value="A code, group definition, or canonical reference that describes or identifies the intended subject of the plan definition. Canonical references are allowed to support the definition of protocols for drug and substance quality specifications, and is allowed to reference a MedicinalProductDefinition, SubstanceDefinition, AdministrableProductDefinition, ManufacturedItemDefinition, or PackagedProductDefinition resource."/> <comment value="Note that the choice of canonical for the subject element was introduced in R4B to support pharmaceutical quality use cases. To ensure as much backwards-compatibility as possible, it is recommended to only use the new canonical type with these use cases."/> <min value="0"/> <max value="1"/> <base> <path value="Extension.value[x]"/> <min value="0"/> <max value="1"/> </base> <type> <code value="canonical"/> <targetProfile value="http://hl7.org/fhir/5.0/StructureDefinition/profile-EvidenceVariable|0.1.0"/> <targetProfile value="http://hl7.org/fhir/StructureDefinition/EvidenceVariable|4.0.1"/> </type> </element> </differential> </StructureDefinition>

Generated Narrative: StructureDefinition ext-R5-PlanDefinition.subject

Name	Card.	Type	Description & Constraints
Extension	0..1	Extension(4.0.1)	R5: subject additional types
url	1..1	uri	"http://hl7.org/fhir/5.0/StructureDefinition/extension-PlanDefinition.subject"
value[x]	0..1	canonical(Cross-version Profile for R5.EvidenceVariable for use in FHIR R4(0.1.0) \| EvidenceVariable)	Type of individual the plan definition is focused on
Documentation for this format