{
"description": "DSTU2: `DocumentReference.relatesTo.code` additional codes",
"_filename": "StructureDefinition-ext-R2-DocumentReference.rel.code.json",
"package_name": "hl7.fhir.uv.xver-r2.r5",
"date": "2026-03-17T21:02:03.8104715+00:00",
"derivation": "constraint",
"publisher": "FHIR Infrastructure",
"fhirVersion": "5.0.0",
"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 `DocumentReference.relatesTo.code` as defined in FHIR DSTU2\r\nin FHIR R5.\r\n\r\nThe source element is defined as:\r\n`DocumentReference.relatesTo.code` 1..1 `code`\r\n\r\nAcross FHIR versions, the element set has been mapped as:\r\n* DSTU2: `DocumentReference.relatesTo.code` 1..1 `code`\n* STU3: `DocumentReference.relatesTo.code` 1..1 `code`\n* R4: `DocumentReference.relatesTo.code` 1..1 `code`\n* R4B: `DocumentReference.relatesTo.code` 1..1 `code`\n* R5: `DocumentReference.relatesTo.code` 1..1 `CodeableConcept`\r\n\r\nFollowing are the generation technical comments:\r\nElement `DocumentReference.relatesTo.code` is mapped to FHIR R5 element `DocumentReference.relatesTo.code` as `SourceIsNarrowerThanTarget`.\nThe mappings for `DocumentReference.relatesTo.code` do not allow expression of the necessary codes, per the bindings on the source and target.",
"name": "ExtensionDocumentReference_RelatesTo_Code",
"mapping": [ {
"uri": "http://hl7.org/v3",
"name": "RIM Mapping",
"identity": "rim"
} ],
"abstract": false,
"type": "Extension",
"experimental": "false",
"resourceType": "StructureDefinition",
"title": "DSTU2: replaces | transforms | signs | appends additional codes",
"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-r2.r5"
}, {
"url": "version",
"valueString": "0.1.0"
}, {
"url": "uri",
"valueUri": "http://hl7.org/fhir/uv/xver/ImplementationGuide/hl7.fhir.uv.xver-r2.r5"
} ]
}, {
"url": "http://hl7.org/fhir/StructureDefinition/version-specific-use",
"extension": [ {
"url": "startFhirVersion",
"valueCode": "5.0"
}, {
"url": "endFhirVersion",
"valueCode": "5.0"
} ]
}, {
"url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-type-characteristics",
"valueCode": "can-bind"
}, {
"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-r2.r5"
} ]
}
}, {
"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-r2.r5"
} ]
}
} ],
"snapshot": {
"element": [ {
"constraint": [ {
"key": "ele-1",
"human": "All FHIR elements must have a @value or children",
"source": "http://hl7.org/fhir/StructureDefinition/Element|5.0.0",
"severity": "error",
"expression": "hasValue() or (children().count() > id.count())"
}, {
"key": "ext-1",
"human": "Must have either extensions or value[x], not both",
"source": "http://hl7.org/fhir/StructureDefinition/Extension|5.0.0",
"severity": "error",
"expression": "extension.exists() != value.exists()"
} ],
"path": "Extension",
"min": 1,
"definition": "DSTU2: `DocumentReference.relatesTo.code` additional codes",
"isModifier": false,
"short": "DSTU2: replaces | transforms | signs | appends additional codes",
"max": "1",
"id": "Extension",
"comment": "Element `DocumentReference.relatesTo.code` is mapped to FHIR R5 element `DocumentReference.relatesTo.code` as `SourceIsNarrowerThanTarget`.\nThe mappings for `DocumentReference.relatesTo.code` do not allow expression of the necessary codes, per the bindings on the source and target.\nIf this document appends another document, then the document cannot be fully understood without also accessing the referenced document.",
"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": "id"
} ]
} ],
"representation": [ "xmlAttr" ],
"max": "1",
"id": "Extension.id",
"condition": [ "ele-1" ],
"base": {
"max": "1",
"min": 0,
"path": "Element.id"
},
"isSummary": false
}, {
"constraint": [ {
"key": "ele-1",
"human": "All FHIR elements must have a @value or children",
"source": "http://hl7.org/fhir/StructureDefinition/Element|5.0.0",
"severity": "error",
"expression": "hasValue() or (children().count() > id.count())"
}, {
"key": "ext-1",
"human": "Must have either extensions or value[x], not both",
"source": "http://hl7.org/fhir/StructureDefinition/Extension|5.0.0",
"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 managable, 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/1.0/StructureDefinition/extension-DocumentReference.relatesTo.code",
"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",
"source": "http://hl7.org/fhir/StructureDefinition/Element|5.0.0",
"severity": "error",
"expression": "hasValue() or (children().count() > id.count())"
} ],
"path": "Extension.value[x]",
"min": 1,
"definition": "The type of relationship that this document has with anther document.",
"isModifier": false,
"short": "replaces | transforms | signs | appends",
"mapping": [ {
"map": "N/A",
"identity": "rim"
} ],
"type": [ {
"code": "code"
} ],
"binding": {
"strength": "required",
"valueSet": "http://hl7.org/fhir/ValueSet/document-relationship-type|5.0.0",
"description": "The type of relationship between documents."
},
"max": "1",
"id": "Extension.value[x]",
"condition": [ "ext-1" ],
"comment": "If this document appends another document, then the document cannot be fully understood without also accessing the referenced document.",
"base": {
"max": "1",
"min": 0,
"path": "Extension.value[x]"
},
"isSummary": false
} ],
"extension": [ {
"url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-base-version",
"valueString": "5.0.0"
} ]
},
"status": "active",
"id": "e8ffe3fd-93f0-433b-ae59-ac8b39ac657f",
"kind": "complex-type",
"url": "http://hl7.org/fhir/1.0/StructureDefinition/extension-DocumentReference.relatesTo.code",
"context": [ {
"type": "element",
"expression": "DocumentReference.relatesTo.code"
} ],
"version": "0.1.0",
"differential": {
"element": [ {
"path": "Extension",
"min": 1,
"definition": "DSTU2: `DocumentReference.relatesTo.code` additional codes",
"isModifier": false,
"short": "DSTU2: replaces | transforms | signs | appends additional codes",
"max": "1",
"id": "Extension",
"comment": "Element `DocumentReference.relatesTo.code` is mapped to FHIR R5 element `DocumentReference.relatesTo.code` as `SourceIsNarrowerThanTarget`.\nThe mappings for `DocumentReference.relatesTo.code` do not allow expression of the necessary codes, per the bindings on the source and target.\nIf this document appends another document, then the document cannot be fully understood without also accessing the referenced document.",
"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/1.0/StructureDefinition/extension-DocumentReference.relatesTo.code"
}, {
"path": "Extension.value[x]",
"min": 1,
"definition": "The type of relationship that this document has with anther document.",
"short": "replaces | transforms | signs | appends",
"type": [ {
"code": "code"
} ],
"binding": {
"strength": "required",
"valueSet": "http://hl7.org/fhir/ValueSet/document-relationship-type|5.0.0",
"description": "The type of relationship between documents."
},
"max": "1",
"id": "Extension.value[x]",
"comment": "If this document appends another document, then the document cannot be fully understood without also accessing the referenced document.",
"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|5.0.0"
}