ext-R5-DiagnosticReport.composition

This extension allows a Reference to a Composition resource instance that provides structure for organizing the contents of the DiagnosticReport.

Tree View

id0..1string
extensionC0..*Extension
url1..1uriFixed Value
valueReferenceReference(Profile_R5_Composition_R4 | Composition)

Table View

Extension0..1
Extension.idstring0..1
Extension.extensionExtension0..*
Extension.urluri1..1
Extension.value[x]Reference(Profile_R5_Composition_R4 | Composition)0..1

JSON View

{
"resourceType": "StructureDefinition",
"id": "ext-R5-DiagnosticReport.composition",
"text": {
"status": "extensions",
--- We have skipped the narrative for better readability of the resource ---
},
"extension": [
{
"url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
"valueCode": "fhir"
},
{
"extension": [
{
"url": "packageId",
"valueId": "hl7.fhir.uv.xver-r5.r4"
},
{
"url": "version",
"valueString": "0.1.0"
},
{
"url": "uri",
"valueUri": "http://hl7.org/fhir/uv/xver/ImplementationGuide/hl7.fhir.uv.xver-r5.r4"
}
],
"url": "http://hl7.org/fhir/StructureDefinition/package-source"
},
{
"extension": [
{
"url": "startFhirVersion",
"valueCode": "4.0"
},
{
"url": "endFhirVersion",
"valueCode": "4.0"
}
],
"url": "http://hl7.org/fhir/StructureDefinition/version-specific-use"
},
{
"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-r5.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-r5.r4"
}
]
}
}
],
"url": "http://hl7.org/fhir/5.0/StructureDefinition/extension-DiagnosticReport.composition",
"version": "0.1.0",
"name": "ExtensionDiagnosticReport_Composition",
"title": "R5: Reference to a Composition resource for the DiagnosticReport structure (new)",
"status": "active",
"experimental": false,
"date": "2026-03-17T21:02:03.8104715+00:00",
"publisher": "FHIR Infrastructure",
"contact": [
{
"name": "FHIR Infrastructure",
"telecom": [
{
"system": "url",
"value": "http://www.hl7.org/Special/committees/fiwg"
}
]
}
],
"description": "R5: `DiagnosticReport.composition` (new:Reference(Composition))",
"jurisdiction": [
{
"coding": [
{
"system": "http://unstats.un.org/unsd/methods/m49/m49.htm",
"code": "001",
"display": "World"
}
]
}
],
"purpose": "This extension is part of the cross-version definitions generated to enable use of the\nelement `DiagnosticReport.composition` as defined in FHIR R5\nin FHIR R4.\n\nThe source element is defined as:\n`DiagnosticReport.composition` 0..1 `Reference(http://hl7.org/fhir/StructureDefinition/Composition)`\n\nAcross FHIR versions, the element set has been mapped as:\n* R5: `DiagnosticReport.composition` 0..1 `Reference(http://hl7.org/fhir/StructureDefinition/Composition)`\n\nFollowing are the generation technical comments:\nElement `DiagnosticReport.composition` has a context of DiagnosticReport based on following the parent source element upwards and mapping to `DiagnosticReport`.\nElement `DiagnosticReport.composition` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).",
"fhirVersion": "4.0.1",
"mapping": [
{
"identity": "rim",
"uri": "http://hl7.org/v3",
"name": "RIM Mapping"
}
],
"kind": "complex-type",
"abstract": false,
"context": [
{
"type": "element",
"expression": "DiagnosticReport"
}
],
"type": "Extension",
"baseDefinition": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1",
"derivation": "constraint",
"snapshot": {
"extension": [
{
"url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-base-version",
"valueString": "4.0.1"
}
],
"element": [
{
"id": "Extension",
"path": "Extension",
"short": "R5: Reference to a Composition resource for the DiagnosticReport structure (new)",
"definition": "R5: `DiagnosticReport.composition` (new:Reference(Composition))",
"comment": "Element `DiagnosticReport.composition` has a context of DiagnosticReport based on following the parent source element upwards and mapping to `DiagnosticReport`.\nElement `DiagnosticReport.composition` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).\nThe Composition provides structure to the content of the DiagnosticReport (and only contains contents referenced in the DiagnosticReport) - e.g., to order the sections of an anatomic pathology structured report.",
"min": 0,
"max": "1",
"base": {
"path": "Extension",
"min": 0,
"max": "*"
},
"condition": [
"ele-1"
],
"constraint": [
{
"key": "ele-1",
"severity": "error",
"human": "All FHIR elements must have a @value or children",
"expression": "hasValue() or (children().count() > id.count())",
"xpath": "@value|f:*|h:div",
"source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
},
{
"key": "ext-1",
"severity": "error",
"human": "Must have either extensions or value[x], not both",
"expression": "extension.exists() != value.exists()",
"xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])",
"source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
}
],
"isModifier": false
},
{
"id": "Extension.id",
"path": "Extension.id",
"representation": [
"xmlAttr"
],
"short": "Unique id for inter-element referencing",
"definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
"min": 0,
"max": "1",
"base": {
"path": "Element.id",
"min": 0,
"max": "1"
},
"type": [
{
"extension": [
{
"url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
"valueUrl": "string"
}
],
"code": "http://hl7.org/fhirpath/System.String"
}
],
"isModifier": false,
"isSummary": false,
"mapping": [
{
"identity": "rim",
"map": "n/a"
}
]
},
{
"id": "Extension.extension",
"path": "Extension.extension",
"slicing": {
"discriminator": [
{
"type": "value",
"path": "url"
}
],
"description": "Extensions are always sliced by (at least) url",
"rules": "open"
},
"short": "Additional content defined by implementations",
"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.",
"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.",
"alias": [
"extensions",
"user content"
],
"min": 0,
"max": "*",
"base": {
"path": "Element.extension",
"min": 0,
"max": "*"
},
"type": [
{
"code": "Extension"
}
],
"constraint": [
{
"key": "ele-1",
"severity": "error",
"human": "All FHIR elements must have a @value or children",
"expression": "hasValue() or (children().count() > id.count())",
"xpath": "@value|f:*|h:div",
"source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
},
{
"key": "ext-1",
"severity": "error",
"human": "Must have either extensions or value[x], not both",
"expression": "extension.exists() != value.exists()",
"xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
"source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
}
],
"isModifier": false,
"isSummary": false,
"mapping": [
{
"identity": "rim",
"map": "n/a"
}
]
},
{
"id": "Extension.url",
"path": "Extension.url",
"representation": [
"xmlAttr"
],
"short": "identifies the meaning of the extension",
"definition": "Source of the definition for the extension code - a logical name or a 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.",
"min": 1,
"max": "1",
"base": {
"path": "Extension.url",
"min": 1,
"max": "1"
},
"type": [
{
"extension": [
{
"url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
"valueUrl": "uri"
}
],
"code": "http://hl7.org/fhirpath/System.String"
}
],
"fixedUri": "http://hl7.org/fhir/5.0/StructureDefinition/extension-DiagnosticReport.composition",
"isModifier": false,
"isSummary": false,
"mapping": [
{
"identity": "rim",
"map": "N/A"
}
]
},
{
"id": "Extension.value[x]",
"path": "Extension.value[x]",
"short": "Reference to a Composition resource for the DiagnosticReport structure",
"definition": "Reference to a Composition resource instance that provides structure for organizing the contents of the DiagnosticReport.",
"comment": "The Composition provides structure to the content of the DiagnosticReport (and only contains contents referenced in the DiagnosticReport) - e.g., to order the sections of an anatomic pathology structured report.",
"min": 0,
"max": "1",
"base": {
"path": "Extension.value[x]",
"min": 0,
"max": "1"
},
"type": [
{
"code": "Reference",
"targetProfile": [
"http://hl7.org/fhir/5.0/StructureDefinition/profile-Composition|0.1.0",
"http://hl7.org/fhir/StructureDefinition/Composition|4.0.1"
]
}
],
"constraint": [
{
"key": "ele-1",
"severity": "error",
"human": "All FHIR elements must have a @value or children",
"expression": "hasValue() or (children().count() > id.count())",
"xpath": "@value|f:*|h:div",
"source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
}
],
"isModifier": false,
"isSummary": false,
"mapping": [
{
"identity": "rim",
"map": "N/A"
}
]
}
]
},
"differential": {
"element": [
{
"id": "Extension",
"path": "Extension",
"short": "R5: Reference to a Composition resource for the DiagnosticReport structure (new)",
"definition": "R5: `DiagnosticReport.composition` (new:Reference(Composition))",
"comment": "Element `DiagnosticReport.composition` has a context of DiagnosticReport based on following the parent source element upwards and mapping to `DiagnosticReport`.\nElement `DiagnosticReport.composition` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).\nThe Composition provides structure to the content of the DiagnosticReport (and only contains contents referenced in the DiagnosticReport) - e.g., to order the sections of an anatomic pathology structured report.",
"min": 0,
"max": "1",
"base": {
"path": "Extension",
"min": 0,
"max": "*"
},
"isModifier": false
},
{
"id": "Extension.url",
"path": "Extension.url",
"min": 1,
"max": "1",
"base": {
"path": "Extension.url",
"min": 1,
"max": "1"
},
"fixedUri": "http://hl7.org/fhir/5.0/StructureDefinition/extension-DiagnosticReport.composition"
},
{
"id": "Extension.value[x]",
"path": "Extension.value[x]",
"short": "Reference to a Composition resource for the DiagnosticReport structure",
"definition": "Reference to a Composition resource instance that provides structure for organizing the contents of the DiagnosticReport.",
"comment": "The Composition provides structure to the content of the DiagnosticReport (and only contains contents referenced in the DiagnosticReport) - e.g., to order the sections of an anatomic pathology structured report.",
"min": 0,
"max": "1",
"base": {
"path": "Extension.value[x]",
"min": 0,
"max": "1"
},
"type": [
{
"code": "Reference",
"targetProfile": [
"http://hl7.org/fhir/5.0/StructureDefinition/profile-Composition|0.1.0",
"http://hl7.org/fhir/StructureDefinition/Composition|4.0.1"
]
}
]
}
]
}
}

Example Usage

"extension": [
    {
        "url": "http://hl7.org/fhir/5.0/StructureDefinition/extension-DiagnosticReport.composition",
        "valueReference": {
            "reference": "urn:uuid:604765c4-0e8a-4cd6-96a0-a2651fb5ab19"
        }
    }
],