{
"description": "R4: `ElementDefinition.defaultValue[x]` additional types (Meta)",
"_filename": "StructureDefinition-ext-R4-ElementDefinition.defaultValue.json",
"package_name": "hl7.fhir.uv.xver-r4.r4b",
"date": "2026-03-17T21:02:03.8104715+00:00",
"derivation": "constraint",
"publisher": "FHIR Infrastructure",
"fhirVersion": "4.3.0",
"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 `ElementDefinition.defaultValue[x]` as defined in FHIR R4\r\nin FHIR R4B.\r\n\r\nThe source element is defined as:\r\n`ElementDefinition.defaultValue[x]` 0..1 `Address, Age, Annotation, Attachment, base64Binary, boolean, canonical, code, CodeableConcept, Coding, ContactDetail, ContactPoint, Contributor, Count, DataRequirement, date, dateTime, decimal, Distance, Dosage, Duration, Expression, HumanName, id, Identifier, instant, integer, markdown, Meta, Money, oid, ParameterDefinition, Period, positiveInt, Quantity, Range, Ratio, Reference, RelatedArtifact, SampledData, Signature, string, time, Timing, TriggerDefinition, unsignedInt, uri, url, UsageContext, uuid`\r\n\r\nFollowing are the generation technical comments:\r\nElement `ElementDefinition.defaultValue[x]` is mapped to FHIR R4B element `ElementDefinition.defaultValue[x]` as `RelatedTo`.\nThe mappings for `ElementDefinition.defaultValue[x]` do not cover the following types: Meta.\nThe target context `ElementDefinition.defaultValue[x]` is a choice-type element and cannot directly hold extensions. The context is moved up to parent element `ElementDefinition`.",
"name": "ExtensionElementDefinition_DefaultValue",
"mapping": [ {
"uri": "http://hl7.org/v3",
"name": "RIM Mapping",
"identity": "rim"
} ],
"abstract": false,
"type": "Extension",
"experimental": "false",
"resourceType": "StructureDefinition",
"title": "R4: defaultValue 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-r4.r4b"
}, {
"url": "version",
"valueString": "0.1.0"
}, {
"url": "uri",
"valueUri": "http://hl7.org/fhir/uv/xver/ImplementationGuide/hl7.fhir.uv.xver-r4.r4b"
} ]
}, {
"url": "http://hl7.org/fhir/StructureDefinition/version-specific-use",
"extension": [ {
"url": "startFhirVersion",
"valueCode": "4.3"
}, {
"url": "endFhirVersion",
"valueCode": "4.3"
} ]
}, {
"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-r4.r4b"
} ]
}
}, {
"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-r4.r4b"
} ]
}
} ],
"snapshot": {
"element": [ {
"constraint": [ {
"key": "ele-1",
"human": "All FHIR elements must have a @value or children unless an empty Parameters resource",
"xpath": "@value|f:*|h:div|self::f:Parameters",
"source": "http://hl7.org/fhir/StructureDefinition/Element|4.3.0",
"severity": "error",
"expression": "hasValue() or (children().count() > id.count()) or $this is Parameters"
}, {
"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|4.3.0",
"severity": "error",
"expression": "extension.exists() != value.exists()"
} ],
"path": "Extension",
"min": 0,
"definition": "R4: `ElementDefinition.defaultValue[x]` additional types (Meta)",
"isModifier": false,
"short": "R4: defaultValue additional types",
"max": "1",
"id": "Extension",
"condition": [ "ele-1" ],
"comment": "Element `ElementDefinition.defaultValue[x]` is mapped to FHIR R4B element `ElementDefinition.defaultValue[x]` as `RelatedTo`.\nThe mappings for `ElementDefinition.defaultValue[x]` do not cover the following types: Meta.\nThe target context `ElementDefinition.defaultValue[x]` is a choice-type element and cannot directly hold extensions. The context is moved up to parent element `ElementDefinition`.\nSpecifying a default value means that the property can never been unknown - it must always have a value. Further, the default value can never be changed, or changed in constraints on content models. Defining default values creates many difficulties in implementation (e.g. when is a value missing?). For these reasons, default values are (and should be) used extremely sparingly. \n\nNo default values are ever defined in the FHIR specification, nor can they be defined in constraints (\"profiles\") on data types or resources. This element only exists so that default values may be defined in logical models.",
"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",
"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|4.3.0",
"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|4.3.0",
"severity": "error",
"expression": "extension.exists() != value.exists()"
} ],
"path": "Extension.extension",
"min": 0,
"definition": "An Extension",
"isModifier": false,
"short": "Extension",
"slicing": {
"rules": "open",
"ordered": false,
"description": "Extensions are always sliced by (at least) url",
"discriminator": [ {
"path": "url",
"type": "value"
} ]
},
"type": [ {
"code": "Extension"
} ],
"max": "*",
"id": "Extension.extension",
"base": {
"max": "*",
"min": 0,
"path": "Element.extension"
},
"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|4.3.0",
"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|4.3.0",
"severity": "error",
"expression": "extension.exists() != value.exists()"
} ],
"path": "Extension.extension",
"min": 1,
"definition": "Slice to indicate the presence of a R4 `Meta` in FHIR R4B",
"isModifier": false,
"short": "DataType slice for a FHIR R4 `Meta` value",
"type": [ {
"code": "Extension"
} ],
"sliceName": "_datatype",
"max": "1",
"id": "Extension.extension:_datatype",
"base": {
"max": "*",
"min": 0,
"path": "Element.extension"
},
"isSummary": false
}, {
"path": "Extension.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.extension:_datatype.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|4.3.0",
"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|4.3.0",
"severity": "error",
"expression": "extension.exists() != value.exists()"
} ],
"path": "Extension.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:_datatype.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.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/StructureDefinition/_datatype",
"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.extension:_datatype.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|4.3.0",
"severity": "error",
"expression": "hasValue() or (children().count() > id.count())"
} ],
"path": "Extension.extension.value[x]",
"min": 1,
"definition": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4B/extensibility.html) for a list).",
"isModifier": false,
"short": "Value of extension",
"mapping": [ {
"map": "N/A",
"identity": "rim"
} ],
"type": [ {
"code": "string"
} ],
"max": "1",
"fixedString": "Meta",
"id": "Extension.extension:_datatype.value[x]",
"comment": "Must be: Meta",
"base": {
"max": "1",
"min": 0,
"path": "Extension.value[x]"
},
"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|4.3.0",
"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|4.3.0",
"severity": "error",
"expression": "extension.exists() != value.exists()"
} ],
"path": "Extension.extension",
"requirements": "Element `Meta.versionId` is mapped to FHIR R4B element `Meta.versionId` as `Equivalent`.",
"min": 0,
"definition": "R4: `Meta.versionId`",
"isModifier": false,
"short": "R4: versionId",
"type": [ {
"code": "Extension"
} ],
"sliceName": "versionId",
"max": "1",
"id": "Extension.extension:versionId",
"comment": "Element `Meta.versionId` is mapped to FHIR R4B element `Meta.versionId` as `Equivalent`.\nThe server assigns this value, and ignores what the client specifies, except in the case that the server is imposing version integrity on updates/deletes.",
"base": {
"max": "*",
"min": 0,
"path": "Element.extension"
},
"isSummary": false
}, {
"path": "Extension.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.extension:versionId.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|4.3.0",
"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|4.3.0",
"severity": "error",
"expression": "extension.exists() != value.exists()"
} ],
"path": "Extension.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:versionId.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.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": "versionId",
"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.extension:versionId.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|4.3.0",
"severity": "error",
"expression": "hasValue() or (children().count() > id.count())"
} ],
"path": "Extension.extension.value[x]",
"min": 0,
"definition": "The version specific identifier, as it appears in the version portion of the URL. This value changes when the resource is created, updated, or deleted.",
"isModifier": false,
"short": "Version specific identifier",
"mapping": [ {
"map": "N/A",
"identity": "rim"
} ],
"type": [ {
"code": "id"
} ],
"max": "1",
"id": "Extension.extension:versionId.value[x]",
"comment": "The server assigns this value, and ignores what the client specifies, except in the case that the server is imposing version integrity on updates/deletes.",
"base": {
"max": "1",
"min": 0,
"path": "Extension.value[x]"
},
"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|4.3.0",
"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|4.3.0",
"severity": "error",
"expression": "extension.exists() != value.exists()"
} ],
"path": "Extension.extension",
"requirements": "Element `Meta.lastUpdated` is mapped to FHIR R4B element `Meta.lastUpdated` as `Equivalent`.",
"min": 0,
"definition": "R4: `Meta.lastUpdated`",
"isModifier": false,
"short": "R4: lastUpdated",
"type": [ {
"code": "Extension"
} ],
"sliceName": "lastUpdated",
"max": "1",
"id": "Extension.extension:lastUpdated",
"comment": "Element `Meta.lastUpdated` is mapped to FHIR R4B element `Meta.lastUpdated` as `Equivalent`.\nThis value is always populated except when the resource is first being created. The server / resource manager sets this value; what a client provides is irrelevant. This is equivalent to the HTTP Last-Modified and SHOULD have the same value on a [read](https://hl7.org/fhir/http..html#read) interaction.",
"base": {
"max": "*",
"min": 0,
"path": "Element.extension"
},
"isSummary": false
}, {
"path": "Extension.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.extension:lastUpdated.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|4.3.0",
"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|4.3.0",
"severity": "error",
"expression": "extension.exists() != value.exists()"
} ],
"path": "Extension.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:lastUpdated.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.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": "lastUpdated",
"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.extension:lastUpdated.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|4.3.0",
"severity": "error",
"expression": "hasValue() or (children().count() > id.count())"
} ],
"path": "Extension.extension.value[x]",
"min": 0,
"definition": "When the resource last changed - e.g. when the version changed.",
"isModifier": false,
"short": "When the resource version last changed",
"mapping": [ {
"map": "N/A",
"identity": "rim"
} ],
"type": [ {
"code": "instant"
} ],
"max": "1",
"id": "Extension.extension:lastUpdated.value[x]",
"comment": "This value is always populated except when the resource is first being created. The server / resource manager sets this value; what a client provides is irrelevant. This is equivalent to the HTTP Last-Modified and SHOULD have the same value on a [read](https://hl7.org/fhir/http..html#read) interaction.",
"base": {
"max": "1",
"min": 0,
"path": "Extension.value[x]"
},
"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|4.3.0",
"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|4.3.0",
"severity": "error",
"expression": "extension.exists() != value.exists()"
} ],
"path": "Extension.extension",
"requirements": "Element `Meta.source` is mapped to FHIR R4B element `Meta.source` as `Equivalent`.",
"min": 0,
"definition": "R4: `Meta.source`",
"isModifier": false,
"short": "R4: source",
"type": [ {
"code": "Extension"
} ],
"sliceName": "source",
"max": "1",
"id": "Extension.extension:source",
"comment": "Element `Meta.source` is mapped to FHIR R4B element `Meta.source` as `Equivalent`.\nIn the provenance resource, this corresponds to Provenance.entity.what[x]. The exact use of the source (and the implied Provenance.entity.role) is left to implementer discretion. Only one nominated source is allowed; for additional provenance details, a full Provenance resource should be used. \n\nThis element can be used to indicate where the current master source of a resource that has a canonical URL if the resource is no longer hosted at the canonical URL.",
"base": {
"max": "*",
"min": 0,
"path": "Element.extension"
},
"isSummary": false
}, {
"path": "Extension.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.extension:source.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|4.3.0",
"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|4.3.0",
"severity": "error",
"expression": "extension.exists() != value.exists()"
} ],
"path": "Extension.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:source.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.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": "source",
"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.extension:source.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|4.3.0",
"severity": "error",
"expression": "hasValue() or (children().count() > id.count())"
} ],
"path": "Extension.extension.value[x]",
"min": 0,
"definition": "A uri that identifies the source system of the resource. This provides a minimal amount of [Provenance](https://hl7.org/fhir/p.html#) information that can be used to track or differentiate the source of information in the resource. The source may identify another FHIR server, document, message, database, etc.",
"isModifier": false,
"short": "Identifies where the resource comes from",
"mapping": [ {
"map": "N/A",
"identity": "rim"
} ],
"type": [ {
"code": "uri"
} ],
"max": "1",
"id": "Extension.extension:source.value[x]",
"comment": "In the provenance resource, this corresponds to Provenance.entity.what[x]. The exact use of the source (and the implied Provenance.entity.role) is left to implementer discretion. Only one nominated source is allowed; for additional provenance details, a full Provenance resource should be used. \n\nThis element can be used to indicate where the current master source of a resource that has a canonical URL if the resource is no longer hosted at the canonical URL.",
"base": {
"max": "1",
"min": 0,
"path": "Extension.value[x]"
},
"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|4.3.0",
"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|4.3.0",
"severity": "error",
"expression": "extension.exists() != value.exists()"
} ],
"path": "Extension.extension",
"requirements": "Element `Meta.profile` is mapped to FHIR R4B element `Meta.profile` as `Equivalent`.",
"min": 0,
"definition": "R4: `Meta.profile`",
"isModifier": false,
"short": "R4: profile",
"type": [ {
"code": "Extension"
} ],
"sliceName": "profile",
"max": "*",
"id": "Extension.extension:profile",
"comment": "Element `Meta.profile` is mapped to FHIR R4B element `Meta.profile` as `Equivalent`.\nIt is up to the server and/or other infrastructure of policy to determine whether/how these claims are verified and/or updated over time. The list of profile URLs is a set.",
"base": {
"max": "*",
"min": 0,
"path": "Element.extension"
},
"isSummary": false
}, {
"path": "Extension.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.extension:profile.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|4.3.0",
"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|4.3.0",
"severity": "error",
"expression": "extension.exists() != value.exists()"
} ],
"path": "Extension.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:profile.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.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": "profile",
"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.extension:profile.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|4.3.0",
"severity": "error",
"expression": "hasValue() or (children().count() > id.count())"
} ],
"path": "Extension.extension.value[x]",
"min": 0,
"definition": "A list of profiles (references to [StructureDefinition](https://hl7.org/fhir/s.html#) resources) that this resource claims to conform to. The URL is a reference to [StructureDefinition.url](https://hl7.org/fhir/structuredefinition-defi.html#StructureDefinition.url).",
"isModifier": false,
"short": "Profiles this resource claims to conform to",
"mapping": [ {
"map": "N/A",
"identity": "rim"
} ],
"type": [ {
"code": "canonical",
"targetProfile": [ "http://hl7.org/fhir/4.0/StructureDefinition/profile-StructureDefinition|0.1.0", "http://hl7.org/fhir/StructureDefinition/StructureDefinition|4.3.0" ]
} ],
"max": "1",
"id": "Extension.extension:profile.value[x]",
"comment": "It is up to the server and/or other infrastructure of policy to determine whether/how these claims are verified and/or updated over time. The list of profile URLs is a set.",
"base": {
"max": "1",
"min": 0,
"path": "Extension.value[x]"
},
"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|4.3.0",
"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|4.3.0",
"severity": "error",
"expression": "extension.exists() != value.exists()"
} ],
"path": "Extension.extension",
"requirements": "Element `Meta.security` is mapped to FHIR R4B element `Meta.security` as `Equivalent`.",
"min": 0,
"definition": "R4: `Meta.security`",
"isModifier": false,
"short": "R4: security",
"type": [ {
"code": "Extension"
} ],
"sliceName": "security",
"max": "*",
"id": "Extension.extension:security",
"comment": "Element `Meta.security` is mapped to FHIR R4B element `Meta.security` as `Equivalent`.\nThe security labels can be updated without changing the stated version of the resource. The list of security labels is a set. Uniqueness is based the system/code, and version and display are ignored.",
"base": {
"max": "*",
"min": 0,
"path": "Element.extension"
},
"isSummary": false
}, {
"path": "Extension.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.extension:security.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|4.3.0",
"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|4.3.0",
"severity": "error",
"expression": "extension.exists() != value.exists()"
} ],
"path": "Extension.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:security.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.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": "security",
"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.extension:security.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|4.3.0",
"severity": "error",
"expression": "hasValue() or (children().count() > id.count())"
} ],
"path": "Extension.extension.value[x]",
"min": 0,
"definition": "Security labels applied to this resource. These tags connect specific resources to the overall security policy and infrastructure.",
"isModifier": false,
"short": "Security Labels applied to this resource",
"mapping": [ {
"map": "N/A",
"identity": "rim"
} ],
"type": [ {
"code": "Coding"
} ],
"binding": {
"strength": "extensible",
"valueSet": "http://hl7.org/fhir/ValueSet/security-labels|4.3.0",
"description": "Security Labels from the Healthcare Privacy and Security Classification System."
},
"max": "1",
"id": "Extension.extension:security.value[x]",
"comment": "The security labels can be updated without changing the stated version of the resource. The list of security labels is a set. Uniqueness is based the system/code, and version and display are ignored.",
"base": {
"max": "1",
"min": 0,
"path": "Extension.value[x]"
},
"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|4.3.0",
"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|4.3.0",
"severity": "error",
"expression": "extension.exists() != value.exists()"
} ],
"path": "Extension.extension",
"requirements": "Element `Meta.tag` is mapped to FHIR R4B element `Meta.tag` as `Equivalent`.",
"min": 0,
"definition": "R4: `Meta.tag`",
"isModifier": false,
"short": "R4: tag",
"type": [ {
"code": "Extension"
} ],
"sliceName": "tag",
"max": "*",
"id": "Extension.extension:tag",
"comment": "Element `Meta.tag` is mapped to FHIR R4B element `Meta.tag` as `Equivalent`.\nThe tags can be updated without changing the stated version of the resource. The list of tags is a set. Uniqueness is based the system/code, and version and display are ignored.",
"base": {
"max": "*",
"min": 0,
"path": "Element.extension"
},
"isSummary": false
}, {
"path": "Extension.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.extension:tag.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|4.3.0",
"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|4.3.0",
"severity": "error",
"expression": "extension.exists() != value.exists()"
} ],
"path": "Extension.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:tag.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.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": "tag",
"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.extension:tag.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|4.3.0",
"severity": "error",
"expression": "hasValue() or (children().count() > id.count())"
} ],
"path": "Extension.extension.value[x]",
"min": 0,
"definition": "Tags applied to this resource. Tags are intended to be used to identify and relate resources to process and workflow, and applications are not required to consider the tags when interpreting the meaning of a resource.",
"isModifier": false,
"short": "Tags applied to this resource",
"mapping": [ {
"map": "N/A",
"identity": "rim"
} ],
"type": [ {
"code": "Coding"
} ],
"binding": {
"strength": "example",
"valueSet": "http://hl7.org/fhir/ValueSet/common-tags|4.3.0",
"description": "Codes that represent various types of tags, commonly workflow-related; e.g. \"Needs review by Dr. Jones\"."
},
"max": "1",
"id": "Extension.extension:tag.value[x]",
"comment": "The tags can be updated without changing the stated version of the resource. The list of tags is a set. Uniqueness is based the system/code, and version and display are ignored.",
"base": {
"max": "1",
"min": 0,
"path": "Extension.value[x]"
},
"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/4.0/StructureDefinition/extension-ElementDefinition.defaultValue",
"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|4.3.0",
"severity": "error",
"expression": "hasValue() or (children().count() > id.count())"
} ],
"path": "Extension.value[x]",
"min": 0,
"definition": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4B/extensibility.html) for a list).",
"isModifier": false,
"short": "Value of extension",
"mapping": [ {
"map": "N/A",
"identity": "rim"
} ],
"type": [ {
"code": "base64Binary"
}, {
"code": "boolean"
}, {
"code": "canonical"
}, {
"code": "code"
}, {
"code": "date"
}, {
"code": "dateTime"
}, {
"code": "decimal"
}, {
"code": "id"
}, {
"code": "instant"
}, {
"code": "integer"
}, {
"code": "markdown"
}, {
"code": "oid"
}, {
"code": "positiveInt"
}, {
"code": "string"
}, {
"code": "time"
}, {
"code": "unsignedInt"
}, {
"code": "uri"
}, {
"code": "url"
}, {
"code": "uuid"
}, {
"code": "Address"
}, {
"code": "Age"
}, {
"code": "Annotation"
}, {
"code": "Attachment"
}, {
"code": "CodeableConcept"
}, {
"code": "CodeableReference"
}, {
"code": "Coding"
}, {
"code": "ContactPoint"
}, {
"code": "Count"
}, {
"code": "Distance"
}, {
"code": "Duration"
}, {
"code": "HumanName"
}, {
"code": "Identifier"
}, {
"code": "Money"
}, {
"code": "Period"
}, {
"code": "Quantity"
}, {
"code": "Range"
}, {
"code": "Ratio"
}, {
"code": "RatioRange"
}, {
"code": "Reference"
}, {
"code": "SampledData"
}, {
"code": "Signature"
}, {
"code": "Timing"
}, {
"code": "ContactDetail"
}, {
"code": "Contributor"
}, {
"code": "DataRequirement"
}, {
"code": "Expression"
}, {
"code": "ParameterDefinition"
}, {
"code": "RelatedArtifact"
}, {
"code": "TriggerDefinition"
}, {
"code": "UsageContext"
}, {
"code": "Dosage"
} ],
"max": "0",
"id": "Extension.value[x]",
"base": {
"max": "1",
"min": 0,
"path": "Extension.value[x]"
},
"isSummary": false
} ],
"extension": [ {
"url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-base-version",
"valueString": "4.3.0"
} ]
},
"status": "active",
"id": "add1cdff-11f3-4131-8fe0-fa09c07cea2c",
"kind": "complex-type",
"url": "http://hl7.org/fhir/4.0/StructureDefinition/extension-ElementDefinition.defaultValue",
"context": [ {
"type": "element",
"expression": "ElementDefinition"
} ],
"version": "0.1.0",
"differential": {
"element": [ {
"path": "Extension",
"min": 0,
"definition": "R4: `ElementDefinition.defaultValue[x]` additional types (Meta)",
"isModifier": false,
"short": "R4: defaultValue additional types",
"max": "1",
"id": "Extension",
"comment": "Element `ElementDefinition.defaultValue[x]` is mapped to FHIR R4B element `ElementDefinition.defaultValue[x]` as `RelatedTo`.\nThe mappings for `ElementDefinition.defaultValue[x]` do not cover the following types: Meta.\nThe target context `ElementDefinition.defaultValue[x]` is a choice-type element and cannot directly hold extensions. The context is moved up to parent element `ElementDefinition`.\nSpecifying a default value means that the property can never been unknown - it must always have a value. Further, the default value can never be changed, or changed in constraints on content models. Defining default values creates many difficulties in implementation (e.g. when is a value missing?). For these reasons, default values are (and should be) used extremely sparingly. \n\nNo default values are ever defined in the FHIR specification, nor can they be defined in constraints (\"profiles\") on data types or resources. This element only exists so that default values may be defined in logical models.",
"base": {
"max": "*",
"min": 0,
"path": "Extension"
}
}, {
"id": "Extension.extension",
"max": "*",
"min": 0,
"base": {
"max": "*",
"min": 0,
"path": "Extension.extension"
},
"path": "Extension.extension",
"slicing": {
"rules": "open",
"ordered": false,
"discriminator": [ {
"path": "url",
"type": "value"
} ]
}
}, {
"id": "Extension.extension:_datatype",
"max": "1",
"min": 1,
"base": {
"max": "*",
"min": 0,
"path": "Extension.extension"
},
"path": "Extension.extension",
"short": "DataType slice for a FHIR R4 `Meta` value",
"sliceName": "_datatype",
"definition": "Slice to indicate the presence of a R4 `Meta` in FHIR R4B"
}, {
"id": "Extension.extension:_datatype.url",
"max": "1",
"min": 1,
"base": {
"max": "1",
"min": 1,
"path": "Extension.url"
},
"path": "Extension.extension.url",
"fixedUri": "http://hl7.org/fhir/StructureDefinition/_datatype"
}, {
"id": "Extension.extension:_datatype.value[x]",
"max": "1",
"min": 1,
"base": {
"max": "1",
"min": 0,
"path": "Extension.value[x]"
},
"path": "Extension.extension.value[x]",
"type": [ {
"code": "string"
} ],
"comment": "Must be: Meta",
"fixedString": "Meta"
}, {
"path": "Extension.extension",
"requirements": "Element `Meta.versionId` is mapped to FHIR R4B element `Meta.versionId` as `Equivalent`.",
"min": 0,
"definition": "R4: `Meta.versionId`",
"short": "R4: versionId",
"sliceName": "versionId",
"max": "1",
"id": "Extension.extension:versionId",
"comment": "Element `Meta.versionId` is mapped to FHIR R4B element `Meta.versionId` as `Equivalent`.\nThe server assigns this value, and ignores what the client specifies, except in the case that the server is imposing version integrity on updates/deletes.",
"base": {
"max": "*",
"min": 0,
"path": "Extension.extension"
}
}, {
"id": "Extension.extension:versionId.url",
"max": "1",
"min": 1,
"base": {
"max": "1",
"min": 1,
"path": "Extension.url"
},
"path": "Extension.extension.url",
"fixedUri": "versionId"
}, {
"path": "Extension.extension.value[x]",
"min": 0,
"definition": "The version specific identifier, as it appears in the version portion of the URL. This value changes when the resource is created, updated, or deleted.",
"short": "Version specific identifier",
"type": [ {
"code": "id"
} ],
"max": "1",
"id": "Extension.extension:versionId.value[x]",
"comment": "The server assigns this value, and ignores what the client specifies, except in the case that the server is imposing version integrity on updates/deletes.",
"base": {
"max": "1",
"min": 0,
"path": "Extension.value[x]"
}
}, {
"path": "Extension.extension",
"requirements": "Element `Meta.lastUpdated` is mapped to FHIR R4B element `Meta.lastUpdated` as `Equivalent`.",
"min": 0,
"definition": "R4: `Meta.lastUpdated`",
"short": "R4: lastUpdated",
"sliceName": "lastUpdated",
"max": "1",
"id": "Extension.extension:lastUpdated",
"comment": "Element `Meta.lastUpdated` is mapped to FHIR R4B element `Meta.lastUpdated` as `Equivalent`.\nThis value is always populated except when the resource is first being created. The server / resource manager sets this value; what a client provides is irrelevant. This is equivalent to the HTTP Last-Modified and SHOULD have the same value on a [read](https://hl7.org/fhir/http..html#read) interaction.",
"base": {
"max": "*",
"min": 0,
"path": "Extension.extension"
}
}, {
"id": "Extension.extension:lastUpdated.url",
"max": "1",
"min": 1,
"base": {
"max": "1",
"min": 1,
"path": "Extension.url"
},
"path": "Extension.extension.url",
"fixedUri": "lastUpdated"
}, {
"path": "Extension.extension.value[x]",
"min": 0,
"definition": "When the resource last changed - e.g. when the version changed.",
"short": "When the resource version last changed",
"type": [ {
"code": "instant"
} ],
"max": "1",
"id": "Extension.extension:lastUpdated.value[x]",
"comment": "This value is always populated except when the resource is first being created. The server / resource manager sets this value; what a client provides is irrelevant. This is equivalent to the HTTP Last-Modified and SHOULD have the same value on a [read](https://hl7.org/fhir/http..html#read) interaction.",
"base": {
"max": "1",
"min": 0,
"path": "Extension.value[x]"
}
}, {
"path": "Extension.extension",
"requirements": "Element `Meta.source` is mapped to FHIR R4B element `Meta.source` as `Equivalent`.",
"min": 0,
"definition": "R4: `Meta.source`",
"short": "R4: source",
"sliceName": "source",
"max": "1",
"id": "Extension.extension:source",
"comment": "Element `Meta.source` is mapped to FHIR R4B element `Meta.source` as `Equivalent`.\nIn the provenance resource, this corresponds to Provenance.entity.what[x]. The exact use of the source (and the implied Provenance.entity.role) is left to implementer discretion. Only one nominated source is allowed; for additional provenance details, a full Provenance resource should be used. \n\nThis element can be used to indicate where the current master source of a resource that has a canonical URL if the resource is no longer hosted at the canonical URL.",
"base": {
"max": "*",
"min": 0,
"path": "Extension.extension"
}
}, {
"id": "Extension.extension:source.url",
"max": "1",
"min": 1,
"base": {
"max": "1",
"min": 1,
"path": "Extension.url"
},
"path": "Extension.extension.url",
"fixedUri": "source"
}, {
"path": "Extension.extension.value[x]",
"min": 0,
"definition": "A uri that identifies the source system of the resource. This provides a minimal amount of [Provenance](https://hl7.org/fhir/p.html#) information that can be used to track or differentiate the source of information in the resource. The source may identify another FHIR server, document, message, database, etc.",
"short": "Identifies where the resource comes from",
"type": [ {
"code": "uri"
} ],
"max": "1",
"id": "Extension.extension:source.value[x]",
"comment": "In the provenance resource, this corresponds to Provenance.entity.what[x]. The exact use of the source (and the implied Provenance.entity.role) is left to implementer discretion. Only one nominated source is allowed; for additional provenance details, a full Provenance resource should be used. \n\nThis element can be used to indicate where the current master source of a resource that has a canonical URL if the resource is no longer hosted at the canonical URL.",
"base": {
"max": "1",
"min": 0,
"path": "Extension.value[x]"
}
}, {
"path": "Extension.extension",
"requirements": "Element `Meta.profile` is mapped to FHIR R4B element `Meta.profile` as `Equivalent`.",
"min": 0,
"definition": "R4: `Meta.profile`",
"short": "R4: profile",
"sliceName": "profile",
"max": "*",
"id": "Extension.extension:profile",
"comment": "Element `Meta.profile` is mapped to FHIR R4B element `Meta.profile` as `Equivalent`.\nIt is up to the server and/or other infrastructure of policy to determine whether/how these claims are verified and/or updated over time. The list of profile URLs is a set.",
"base": {
"max": "*",
"min": 0,
"path": "Extension.extension"
}
}, {
"id": "Extension.extension:profile.url",
"max": "1",
"min": 1,
"base": {
"max": "1",
"min": 1,
"path": "Extension.url"
},
"path": "Extension.extension.url",
"fixedUri": "profile"
}, {
"path": "Extension.extension.value[x]",
"min": 0,
"definition": "A list of profiles (references to [StructureDefinition](https://hl7.org/fhir/s.html#) resources) that this resource claims to conform to. The URL is a reference to [StructureDefinition.url](https://hl7.org/fhir/structuredefinition-defi.html#StructureDefinition.url).",
"short": "Profiles this resource claims to conform to",
"type": [ {
"code": "canonical",
"targetProfile": [ "http://hl7.org/fhir/4.0/StructureDefinition/profile-StructureDefinition|0.1.0", "http://hl7.org/fhir/StructureDefinition/StructureDefinition|4.3.0" ]
} ],
"max": "1",
"id": "Extension.extension:profile.value[x]",
"comment": "It is up to the server and/or other infrastructure of policy to determine whether/how these claims are verified and/or updated over time. The list of profile URLs is a set.",
"base": {
"max": "1",
"min": 0,
"path": "Extension.value[x]"
}
}, {
"path": "Extension.extension",
"requirements": "Element `Meta.security` is mapped to FHIR R4B element `Meta.security` as `Equivalent`.",
"min": 0,
"definition": "R4: `Meta.security`",
"short": "R4: security",
"sliceName": "security",
"max": "*",
"id": "Extension.extension:security",
"comment": "Element `Meta.security` is mapped to FHIR R4B element `Meta.security` as `Equivalent`.\nThe security labels can be updated without changing the stated version of the resource. The list of security labels is a set. Uniqueness is based the system/code, and version and display are ignored.",
"base": {
"max": "*",
"min": 0,
"path": "Extension.extension"
}
}, {
"id": "Extension.extension:security.url",
"max": "1",
"min": 1,
"base": {
"max": "1",
"min": 1,
"path": "Extension.url"
},
"path": "Extension.extension.url",
"fixedUri": "security"
}, {
"path": "Extension.extension.value[x]",
"min": 0,
"definition": "Security labels applied to this resource. These tags connect specific resources to the overall security policy and infrastructure.",
"short": "Security Labels applied to this resource",
"type": [ {
"code": "Coding"
} ],
"binding": {
"strength": "extensible",
"valueSet": "http://hl7.org/fhir/ValueSet/security-labels|4.3.0",
"description": "Security Labels from the Healthcare Privacy and Security Classification System."
},
"max": "1",
"id": "Extension.extension:security.value[x]",
"comment": "The security labels can be updated without changing the stated version of the resource. The list of security labels is a set. Uniqueness is based the system/code, and version and display are ignored.",
"base": {
"max": "1",
"min": 0,
"path": "Extension.value[x]"
}
}, {
"path": "Extension.extension",
"requirements": "Element `Meta.tag` is mapped to FHIR R4B element `Meta.tag` as `Equivalent`.",
"min": 0,
"definition": "R4: `Meta.tag`",
"short": "R4: tag",
"sliceName": "tag",
"max": "*",
"id": "Extension.extension:tag",
"comment": "Element `Meta.tag` is mapped to FHIR R4B element `Meta.tag` as `Equivalent`.\nThe tags can be updated without changing the stated version of the resource. The list of tags is a set. Uniqueness is based the system/code, and version and display are ignored.",
"base": {
"max": "*",
"min": 0,
"path": "Extension.extension"
}
}, {
"id": "Extension.extension:tag.url",
"max": "1",
"min": 1,
"base": {
"max": "1",
"min": 1,
"path": "Extension.url"
},
"path": "Extension.extension.url",
"fixedUri": "tag"
}, {
"path": "Extension.extension.value[x]",
"min": 0,
"definition": "Tags applied to this resource. Tags are intended to be used to identify and relate resources to process and workflow, and applications are not required to consider the tags when interpreting the meaning of a resource.",
"short": "Tags applied to this resource",
"type": [ {
"code": "Coding"
} ],
"binding": {
"strength": "example",
"valueSet": "http://hl7.org/fhir/ValueSet/common-tags|4.3.0",
"description": "Codes that represent various types of tags, commonly workflow-related; e.g. \"Needs review by Dr. Jones\"."
},
"max": "1",
"id": "Extension.extension:tag.value[x]",
"comment": "The tags can be updated without changing the stated version of the resource. The list of tags is a set. Uniqueness is based the system/code, and version and display are ignored.",
"base": {
"max": "1",
"min": 0,
"path": "Extension.value[x]"
}
}, {
"id": "Extension.url",
"max": "1",
"min": 1,
"base": {
"max": "1",
"min": 1,
"path": "Extension.url"
},
"path": "Extension.url",
"fixedUri": "http://hl7.org/fhir/4.0/StructureDefinition/extension-ElementDefinition.defaultValue"
}, {
"id": "Extension.value[x]",
"max": "0",
"min": 0,
"base": {
"max": "1",
"min": 0,
"path": "Extension.value[x]"
},
"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|4.3.0"
}