| Package | hl7.fhir.uv.xver-r3.r4b |
| Resource Type | StructureDefinition |
| Id | ext-R3-Observation.related |
| FHIR Version | R4B |
| Source | http://hl7.org/fhir/uv/xver/https://simplifier.net/resolve?scope=hl7.fhir.uv.xver-r3.r4b@0.0.1-snapshot-1&canonical=http://hl7.org/fhir/3.0/StructureDefinition/extension-Observation.related |
| URL | http://hl7.org/fhir/3.0/StructureDefinition/extension-Observation.related |
| Version | 0.0.1-snapshot-1 |
| Status | draft |
| Date | 2025-06-03T03:12:22.1535907+02:00 |
| Name | ext_R3_Observation_related |
| Title | Cross-version Extension for R3.Observation.related for use in FHIR R4B |
| Realm | uv |
| Authority | hl7 |
| Description | This cross-version extension represents Observation.related from http://hl7.org/fhir/StructureDefinition/Observation|3.0.2 for use in FHIR R4B. |
| Type | Extension |
| Kind | complex-type |
No resources found
| ValueSet | |
| R3-observation-relationshiptypes-for-R4B | Cross-version VS for R3.ObservationRelationshipType for use in FHIR R4B |
No extension usage examples found
No narrative content found in resource
FHIR{
"resourceType": "StructureDefinition",
"id": "ext-R3-Observation.related",
"url": "http://hl7.org/fhir/3.0/StructureDefinition/extension-Observation.related",
"version": "0.0.1-snapshot-1",
"name": "ext_R3_Observation_related",
"title": "Cross-version Extension for R3.Observation.related for use in FHIR R4B",
"status": "draft",
"experimental": false,
"date": "2025-06-03T03:12:22.1535907+02:00",
"description": "This cross-version extension represents Observation.related from http://hl7.org/fhir/StructureDefinition/Observation|3.0.2 for use in FHIR R4B.",
"fhirVersion": "4.3.0",
"kind": "complex-type",
"abstract": false,
"context": [
{
"type": "element",
"expression": "Observation"
}
],
"type": "Extension",
"baseDefinition": "http://hl7.org/fhir/StructureDefinition/Extension",
"derivation": "constraint",
"snapshot": {
"element": [
{
"id": "Extension",
"path": "Extension",
"short": "Resource related to this observation",
"definition": "A reference to another resource (usually another Observation) whose relationship is defined by the relationship type code.",
"comment": "`Observation` maps to R4B `Observation`. So is mapped as Equivalent.",
"min": 0,
"max": "*",
"base": {
"path": "Extension",
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},
"condition": [
"ele-1"
],
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{
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"human": "All FHIR elements must have a @value or children unless an empty Parameters resource",
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"source": "http://hl7.org/fhir/StructureDefinition/Element"
},
{
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}
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{
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{
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"xmlAttr"
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"min": 0,
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"base": {
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{
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{
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"code": "http://hl7.org/fhirpath/System.String"
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{
"id": "Extension.extension",
"path": "Extension.extension",
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{
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],
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"ordered": false,
"rules": "closed"
},
"short": "Additional content defined by implementations",
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"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",
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"min": 1,
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"base": {
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"type": [
{
"code": "Extension"
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],
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{
"key": "ele-1",
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},
{
"key": "ext-1",
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}
],
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"mapping": [
{
"identity": "rim",
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]
},
{
"id": "Extension.extension:type",
"path": "Extension.extension",
"sliceName": "type",
"short": "has-member | derived-from | sequel-to | replaces | qualified-by | interfered-by",
"definition": "A code specifying the kind of relationship that exists with the target resource.",
"comment": "`Observation` maps to R4B `Observation`. So is mapped as Equivalent.",
"alias": [
"extensions",
"user content"
],
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{
"code": "Extension"
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],
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{
"key": "ele-1",
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"human": "All FHIR elements must have a @value or children",
"expression": "hasValue() or (children().count() > id.count())",
"source": "http://hl7.org/fhir/StructureDefinition/Element"
},
{
"key": "ext-1",
"severity": "error",
"human": "Must have either extensions or value[x], not both",
"expression": "extension.exists() != value.exists()",
"source": "http://hl7.org/fhir/StructureDefinition/Extension"
}
],
"isModifier": false,
"isSummary": false,
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{
"identity": "rim",
"map": "n/a"
}
]
},
{
"id": "Extension.extension:type.id",
"path": "Extension.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": "id"
}
],
"code": "http://hl7.org/fhirpath/System.String"
}
],
"isModifier": false,
"isSummary": false,
"mapping": [
{
"identity": "rim",
"map": "n/a"
}
]
},
{
"id": "Extension.extension:type.extension",
"path": "Extension.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())",
"source": "http://hl7.org/fhir/StructureDefinition/Element"
},
{
"key": "ext-1",
"severity": "error",
"human": "Must have either extensions or value[x], not both",
"expression": "extension.exists() != value.exists()",
"source": "http://hl7.org/fhir/StructureDefinition/Extension"
}
],
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"isSummary": false,
"mapping": [
{
"identity": "rim",
"map": "n/a"
}
]
},
{
"id": "Extension.extension:type.url",
"path": "Extension.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": "type",
"isModifier": false,
"isSummary": false,
"mapping": [
{
"identity": "rim",
"map": "N/A"
}
]
},
{
"id": "Extension.extension:type.value[x]",
"path": "Extension.extension.value[x]",
"short": "has-member | derived-from | sequel-to | replaces | qualified-by | interfered-by",
"definition": "A code specifying the kind of relationship that exists with the target resource.",
"comment": "`Observation` maps to R4B `Observation`. So is mapped as Equivalent.",
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"max": "1",
"base": {
"path": "Extension.value[x]",
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"max": "1"
},
"type": [
{
"code": "code"
}
],
"constraint": [
{
"key": "ele-1",
"severity": "error",
"human": "All FHIR elements must have a @value or children",
"expression": "hasValue() or (children().count() > id.count())",
"source": "http://hl7.org/fhir/StructureDefinition/Element"
}
],
"isModifier": false,
"isSummary": false,
"binding": {
"strength": "required",
"description": "Codes specifying how two observations are related.",
"valueSet": "http://hl7.org/fhir/uv/xver/3.0/ValueSet/R3-observation-relationshiptypes-for-R4B"
},
"mapping": [
{
"identity": "rim",
"map": "N/A"
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]
},
{
"id": "Extension.extension:target",
"path": "Extension.extension",
"sliceName": "target",
"short": "Resource that is related to this one",
"definition": "A reference to the observation or [QuestionnaireResponse](questionnaireresponse.html#) resource that is related to this observation.",
"comment": "`Observation` maps to R4B `Observation`. So is mapped as Equivalent.",
"alias": [
"extensions",
"user content"
],
"min": 1,
"max": "1",
"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())",
"source": "http://hl7.org/fhir/StructureDefinition/Element"
},
{
"key": "ext-1",
"severity": "error",
"human": "Must have either extensions or value[x], not both",
"expression": "extension.exists() != value.exists()",
"source": "http://hl7.org/fhir/StructureDefinition/Extension"
}
],
"isModifier": false,
"isSummary": false,
"mapping": [
{
"identity": "rim",
"map": "n/a"
}
]
},
{
"id": "Extension.extension:target.id",
"path": "Extension.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": "id"
}
],
"code": "http://hl7.org/fhirpath/System.String"
}
],
"isModifier": false,
"isSummary": false,
"mapping": [
{
"identity": "rim",
"map": "n/a"
}
]
},
{
"id": "Extension.extension:target.extension",
"path": "Extension.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())",
"source": "http://hl7.org/fhir/StructureDefinition/Element"
},
{
"key": "ext-1",
"severity": "error",
"human": "Must have either extensions or value[x], not both",
"expression": "extension.exists() != value.exists()",
"source": "http://hl7.org/fhir/StructureDefinition/Extension"
}
],
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"isSummary": false,
"mapping": [
{
"identity": "rim",
"map": "n/a"
}
]
},
{
"id": "Extension.extension:target.url",
"path": "Extension.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": "target",
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"isSummary": false,
"mapping": [
{
"identity": "rim",
"map": "N/A"
}
]
},
{
"id": "Extension.extension:target.value[x]",
"path": "Extension.extension.value[x]",
"short": "Resource that is related to this one",
"definition": "A reference to the observation or [QuestionnaireResponse](questionnaireresponse.html#) resource that is related to this observation.",
"comment": "`Observation` maps to R4B `Observation`. So is mapped as Equivalent.",
"min": 0,
"max": "1",
"base": {
"path": "Extension.value[x]",
"min": 0,
"max": "1"
},
"type": [
{
"code": "Reference",
"targetProfile": [
"http://hl7.org/fhir/StructureDefinition/Observation",
"http://hl7.org/fhir/StructureDefinition/QuestionnaireResponse",
"http://hl7.org/fhir/StructureDefinition/Sequence"
]
}
],
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{
"key": "ele-1",
"severity": "error",
"human": "All FHIR elements must have a @value or children",
"expression": "hasValue() or (children().count() > id.count())",
"source": "http://hl7.org/fhir/StructureDefinition/Element"
}
],
"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/3.0/StructureDefinition/extension-Observation.related",
"isModifier": false,
"isSummary": false,
"mapping": [
{
"identity": "rim",
"map": "N/A"
}
]
},
{
"id": "Extension.value[x]",
"path": "Extension.value[x]",
"short": "Value of extension",
"definition": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).",
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"max": "1",
"base": {
"path": "Extension.value[x]",
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"max": "1"
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"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"
}
],
"constraint": [
{
"key": "ele-1",
"severity": "error",
"human": "All FHIR elements must have a @value or children",
"expression": "hasValue() or (children().count() > id.count())",
"source": "http://hl7.org/fhir/StructureDefinition/Element"
}
],
"isModifier": false,
"isSummary": false,
"mapping": [
{
"identity": "rim",
"map": "N/A"
}
]
}
]
},
"differential": {
"element": [
{
"id": "Extension",
"path": "Extension",
"short": "Resource related to this observation",
"definition": "A reference to another resource (usually another Observation) whose relationship is defined by the relationship type code.",
"comment": "`Observation` maps to R4B `Observation`. So is mapped as Equivalent.",
"min": 0,
"max": "*",
"isModifier": false
},
{
"id": "Extension.extension",
"path": "Extension.extension",
"slicing": {
"discriminator": [
{
"type": "value",
"path": "url"
}
],
"ordered": false,
"rules": "closed"
},
"min": 1,
"max": "*"
},
{
"id": "Extension.extension:type",
"path": "Extension.extension",
"sliceName": "type",
"short": "has-member | derived-from | sequel-to | replaces | qualified-by | interfered-by",
"definition": "A code specifying the kind of relationship that exists with the target resource.",
"comment": "`Observation` maps to R4B `Observation`. So is mapped as Equivalent.",
"min": 0,
"max": "1",
"isModifier": false
},
{
"id": "Extension.extension:type.value[x]",
"path": "Extension.extension.value[x]",
"short": "has-member | derived-from | sequel-to | replaces | qualified-by | interfered-by",
"definition": "A code specifying the kind of relationship that exists with the target resource.",
"comment": "`Observation` maps to R4B `Observation`. So is mapped as Equivalent.",
"base": {
"path": "Extension.value[x]"
},
"type": [
{
"code": "code"
}
],
"binding": {
"strength": "required",
"description": "Codes specifying how two observations are related.",
"valueSet": "http://hl7.org/fhir/uv/xver/3.0/ValueSet/R3-observation-relationshiptypes-for-R4B"
}
},
{
"id": "Extension.extension:target",
"path": "Extension.extension",
"sliceName": "target",
"short": "Resource that is related to this one",
"definition": "A reference to the observation or [QuestionnaireResponse](questionnaireresponse.html#) resource that is related to this observation.",
"comment": "`Observation` maps to R4B `Observation`. So is mapped as Equivalent.",
"min": 1,
"max": "1",
"isModifier": false
},
{
"id": "Extension.extension:target.value[x]",
"path": "Extension.extension.value[x]",
"short": "Resource that is related to this one",
"definition": "A reference to the observation or [QuestionnaireResponse](questionnaireresponse.html#) resource that is related to this observation.",
"comment": "`Observation` maps to R4B `Observation`. So is mapped as Equivalent.",
"base": {
"path": "Extension.value[x]"
},
"type": [
{
"code": "Reference",
"targetProfile": [
"http://hl7.org/fhir/StructureDefinition/Observation",
"http://hl7.org/fhir/StructureDefinition/QuestionnaireResponse",
"http://hl7.org/fhir/StructureDefinition/Sequence"
]
}
]
},
{
"id": "Extension.url",
"path": "Extension.url",
"min": 1,
"max": "1",
"fixedUri": "http://hl7.org/fhir/3.0/StructureDefinition/extension-Observation.related"
}
]
}
}