{
"description": "R4B: `PlanDefinition.subject[x]` additional types (canonical(http://hl7.org/fhir/StructureDefinition/MedicinalProductDefinition), canonical(http://hl7.org/fhir/StructureDefinition/SubstanceDefinition), canonical(http://hl7.org/fhir/StructureDefinition/AdministrableProductDefinition), canonical(http://hl7.org/fhir/StructureDefinition/ManufacturedItemDefinition), canonical(http://hl7.org/fhir/StructureDefinition/PackagedProductDefinition))",
"_filename": "StructureDefinition-ext-R4B-PlanDefinition.subject.json",
"package_name": "hl7.fhir.uv.xver-r4b.r4",
"date": "2026-03-17T21:02:03.8104715+00:00",
"derivation": "constraint",
"publisher": "FHIR Infrastructure",
"fhirVersion": "4.0.1",
"jurisdiction": [ {
"coding": [ {
"code": "001",
"system": "http://unstats.un.org/unsd/methods/m49/m49.htm",
"display": "World"
} ]
} ],
"purpose": "This extension is part of the cross-version definitions generated to enable use of the\r\nelement `PlanDefinition.subject[x]` as defined in FHIR R4B\r\nin FHIR R4.\r\n\r\nThe source element is defined as:\r\n`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)`\r\n\r\nFollowing are the generation technical comments:\r\nElement `PlanDefinition.subject[x]` is mapped to FHIR R4 element `PlanDefinition.subject[x]` as `SourceIsBroaderThanTarget`.\nThe mappings for `PlanDefinition.subject[x]` do not cover the following types: canonical.\nThe target context `PlanDefinition.subject[x]` is a choice-type element and cannot directly hold extensions. The context is moved up to parent element `PlanDefinition`.",
"name": "ExtensionPlanDefinition_Subject",
"mapping": [ {
"uri": "http://hl7.org/v3",
"name": "RIM Mapping",
"identity": "rim"
} ],
"abstract": false,
"type": "Extension",
"experimental": "false",
"resourceType": "StructureDefinition",
"title": "R4B: subject additional types",
"package_version": "0.1.0",
"extension": [ {
"url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
"valueCode": "fhir"
}, {
"url": "http://hl7.org/fhir/StructureDefinition/package-source",
"extension": [ {
"url": "packageId",
"valueId": "hl7.fhir.uv.xver-r4b.r4"
}, {
"url": "version",
"valueString": "0.1.0"
}, {
"url": "uri",
"valueUri": "http://hl7.org/fhir/uv/xver/ImplementationGuide/hl7.fhir.uv.xver-r4b.r4"
} ]
}, {
"url": "http://hl7.org/fhir/StructureDefinition/version-specific-use",
"extension": [ {
"url": "startFhirVersion",
"valueCode": "4.0"
}, {
"url": "endFhirVersion",
"valueCode": "4.0"
} ]
}, {
"url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
"valueInteger": 0,
"_valueInteger": {
"extension": [ {
"url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom",
"valueCanonical": "http://hl7.org/fhir/uv/xver/ImplementationGuide/hl7.fhir.uv.xver-r4b.r4"
} ]
}
}, {
"url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
"valueCode": "trial-use",
"_valueCode": {
"extension": [ {
"url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom",
"valueCanonical": "http://hl7.org/fhir/uv/xver/ImplementationGuide/hl7.fhir.uv.xver-r4b.r4"
} ]
}
} ],
"snapshot": {
"element": [ {
"constraint": [ {
"key": "ele-1",
"human": "All FHIR elements must have a @value or children",
"xpath": "@value|f:*|h:div",
"source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1",
"severity": "error",
"expression": "hasValue() or (children().count() > id.count())"
}, {
"key": "ext-1",
"human": "Must have either extensions or value[x], not both",
"xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])",
"source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1",
"severity": "error",
"expression": "extension.exists() != value.exists()"
} ],
"path": "Extension",
"min": 0,
"definition": "R4B: `PlanDefinition.subject[x]` additional types (canonical(http://hl7.org/fhir/StructureDefinition/MedicinalProductDefinition), canonical(http://hl7.org/fhir/StructureDefinition/SubstanceDefinition), canonical(http://hl7.org/fhir/StructureDefinition/AdministrableProductDefinition), canonical(http://hl7.org/fhir/StructureDefinition/ManufacturedItemDefinition), canonical(http://hl7.org/fhir/StructureDefinition/PackagedProductDefinition))",
"isModifier": false,
"short": "R4B: subject additional types",
"max": "1",
"id": "Extension",
"condition": [ "ele-1" ],
"comment": "Element `PlanDefinition.subject[x]` is mapped to FHIR R4 element `PlanDefinition.subject[x]` as `SourceIsBroaderThanTarget`.\nThe mappings for `PlanDefinition.subject[x]` do not cover the following types: canonical.\nThe target context `PlanDefinition.subject[x]` is a choice-type element and cannot directly hold extensions. The context is moved up to parent element `PlanDefinition`.\nNote 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.",
"base": {
"max": "*",
"min": 0,
"path": "Extension"
}
}, {
"path": "Extension.id",
"min": 0,
"definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
"isModifier": false,
"short": "Unique id for inter-element referencing",
"mapping": [ {
"map": "n/a",
"identity": "rim"
} ],
"type": [ {
"code": "http://hl7.org/fhirpath/System.String",
"extension": [ {
"url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
"valueUrl": "string"
} ]
} ],
"representation": [ "xmlAttr" ],
"max": "1",
"id": "Extension.id",
"base": {
"max": "1",
"min": 0,
"path": "Element.id"
},
"isSummary": false
}, {
"constraint": [ {
"key": "ele-1",
"human": "All FHIR elements must have a @value or children",
"xpath": "@value|f:*|h:div",
"source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1",
"severity": "error",
"expression": "hasValue() or (children().count() > id.count())"
}, {
"key": "ext-1",
"human": "Must have either extensions or value[x], not both",
"xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
"source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1",
"severity": "error",
"expression": "extension.exists() != value.exists()"
} ],
"path": "Extension.extension",
"min": 0,
"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.",
"isModifier": false,
"short": "Additional content defined by implementations",
"mapping": [ {
"map": "n/a",
"identity": "rim"
} ],
"slicing": {
"rules": "open",
"description": "Extensions are always sliced by (at least) url",
"discriminator": [ {
"path": "url",
"type": "value"
} ]
},
"type": [ {
"code": "Extension"
} ],
"alias": [ "extensions", "user content" ],
"max": "*",
"id": "Extension.extension",
"comment": "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.",
"base": {
"max": "*",
"min": 0,
"path": "Element.extension"
},
"isSummary": false
}, {
"path": "Extension.url",
"min": 1,
"definition": "Source of the definition for the extension code - a logical name or a URL.",
"isModifier": false,
"short": "identifies the meaning of the extension",
"fixedUri": "http://hl7.org/fhir/4.3/StructureDefinition/extension-PlanDefinition.subject",
"mapping": [ {
"map": "N/A",
"identity": "rim"
} ],
"type": [ {
"code": "http://hl7.org/fhirpath/System.String",
"extension": [ {
"url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
"valueUrl": "uri"
} ]
} ],
"representation": [ "xmlAttr" ],
"max": "1",
"id": "Extension.url",
"comment": "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.",
"base": {
"max": "1",
"min": 1,
"path": "Extension.url"
},
"isSummary": false
}, {
"constraint": [ {
"key": "ele-1",
"human": "All FHIR elements must have a @value or children",
"xpath": "@value|f:*|h:div",
"source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1",
"severity": "error",
"expression": "hasValue() or (children().count() > id.count())"
} ],
"path": "Extension.value[x]",
"min": 0,
"definition": "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.",
"isModifier": false,
"short": "Type of individual the plan definition is focused on",
"mapping": [ {
"map": "N/A",
"identity": "rim"
} ],
"type": [ {
"code": "canonical",
"targetProfile": [ "http://hl7.org/fhir/4.3/StructureDefinition/profile-MedicinalProductDefinition-for-MedicinalProduct|0.1.0", "http://hl7.org/fhir/StructureDefinition/MedicinalProduct|4.0.1", "http://hl7.org/fhir/4.3/StructureDefinition/profile-SubstanceDefinition-for-SubstanceSpecification|0.1.0", "http://hl7.org/fhir/StructureDefinition/SubstanceSpecification|4.0.1", "http://hl7.org/fhir/4.3/StructureDefinition/profile-AdministrableProductDefinition|0.1.0", "http://hl7.org/fhir/StructureDefinition/Basic|4.0.1", "http://hl7.org/fhir/4.3/StructureDefinition/profile-ManufacturedItemDefinition|0.1.0", "http://hl7.org/fhir/StructureDefinition/Basic|4.0.1", "http://hl7.org/fhir/4.3/StructureDefinition/profile-PackagedProductDefinition|0.1.0", "http://hl7.org/fhir/StructureDefinition/Basic|4.0.1" ]
} ],
"max": "1",
"id": "Extension.value[x]",
"comment": "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.",
"base": {
"max": "1",
"min": 0,
"path": "Extension.value[x]"
},
"isSummary": false
} ],
"extension": [ {
"url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-base-version",
"valueString": "4.0.1"
} ]
},
"status": "active",
"id": "63bc2712-d9e7-413f-878d-e321ff6d0489",
"kind": "complex-type",
"url": "http://hl7.org/fhir/4.3/StructureDefinition/extension-PlanDefinition.subject",
"context": [ {
"type": "element",
"expression": "PlanDefinition"
} ],
"version": "0.1.0",
"differential": {
"element": [ {
"path": "Extension",
"min": 0,
"definition": "R4B: `PlanDefinition.subject[x]` additional types (canonical(http://hl7.org/fhir/StructureDefinition/MedicinalProductDefinition), canonical(http://hl7.org/fhir/StructureDefinition/SubstanceDefinition), canonical(http://hl7.org/fhir/StructureDefinition/AdministrableProductDefinition), canonical(http://hl7.org/fhir/StructureDefinition/ManufacturedItemDefinition), canonical(http://hl7.org/fhir/StructureDefinition/PackagedProductDefinition))",
"isModifier": false,
"short": "R4B: subject additional types",
"max": "1",
"id": "Extension",
"comment": "Element `PlanDefinition.subject[x]` is mapped to FHIR R4 element `PlanDefinition.subject[x]` as `SourceIsBroaderThanTarget`.\nThe mappings for `PlanDefinition.subject[x]` do not cover the following types: canonical.\nThe target context `PlanDefinition.subject[x]` is a choice-type element and cannot directly hold extensions. The context is moved up to parent element `PlanDefinition`.\nNote 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.",
"base": {
"max": "*",
"min": 0,
"path": "Extension"
}
}, {
"id": "Extension.url",
"max": "1",
"min": 1,
"base": {
"max": "1",
"min": 1,
"path": "Extension.url"
},
"path": "Extension.url",
"fixedUri": "http://hl7.org/fhir/4.3/StructureDefinition/extension-PlanDefinition.subject"
}, {
"path": "Extension.value[x]",
"min": 0,
"definition": "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.",
"short": "Type of individual the plan definition is focused on",
"type": [ {
"code": "canonical",
"targetProfile": [ "http://hl7.org/fhir/4.3/StructureDefinition/profile-MedicinalProductDefinition-for-MedicinalProduct|0.1.0", "http://hl7.org/fhir/StructureDefinition/MedicinalProduct|4.0.1", "http://hl7.org/fhir/4.3/StructureDefinition/profile-SubstanceDefinition-for-SubstanceSpecification|0.1.0", "http://hl7.org/fhir/StructureDefinition/SubstanceSpecification|4.0.1", "http://hl7.org/fhir/4.3/StructureDefinition/profile-AdministrableProductDefinition|0.1.0", "http://hl7.org/fhir/StructureDefinition/Basic|4.0.1", "http://hl7.org/fhir/4.3/StructureDefinition/profile-ManufacturedItemDefinition|0.1.0", "http://hl7.org/fhir/StructureDefinition/Basic|4.0.1", "http://hl7.org/fhir/4.3/StructureDefinition/profile-PackagedProductDefinition|0.1.0", "http://hl7.org/fhir/StructureDefinition/Basic|4.0.1" ]
} ],
"max": "1",
"id": "Extension.value[x]",
"comment": "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.",
"base": {
"max": "1",
"min": 0,
"path": "Extension.value[x]"
}
} ]
},
"contact": [ {
"name": "FHIR Infrastructure",
"telecom": [ {
"value": "http://www.hl7.org/Special/committees/fiwg",
"system": "url"
} ]
} ],
"baseDefinition": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
}