Extensions for Using Data Elements from FHIR R4 in FHIR R4B
0.1.0 - STU
Extensions for Using Data Elements from FHIR R4 in FHIR R4B
0.1.0 - STU
Extensions for Using Data Elements from FHIR R4 in FHIR R4B - Downloaded Version null See the Directory of published versions
| Official URL: http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSpecification.relationship.relationship | Version: 0.1.0 | |||
| Standards status: Trial-use | Maturity Level: 0 | Computable Name: ExtensionSubstanceSpecification_Relationship_Relationship | ||
R4: SubstanceSpecification.relationship.relationship (new:CodeableConcept)
This extension is part of the cross-version definitions generated to enable use of the
element SubstanceSpecification.relationship.relationship as defined in FHIR R4
in FHIR R4B.
The source element is defined as:
SubstanceSpecification.relationship.relationship 0..1 CodeableConcept
Following are the generation technical comments:
Element SubstanceSpecification.relationship.relationship has a context of SubstanceDefinition.relationship based on following the parent source element upwards and mapping to SubstanceDefinition.
Element SubstanceSpecification.relationship.relationship has no mapping targets in FHIR R4B. Typically, this is because the element has been added (is a new element).
Context of Use
This extension may be used on the following element(s)
SubstanceDefinition.relationship
This extension is allowed for use with FHIR versions R4B to R4B .
Usage info
Usages:
You can also check for usages in the FHIR IG Statistics
Description of Profiles, Differentials, Snapshots, and how the XML and JSON presentations work.
This structure is derived from Extension
| Name | Flags | Card. | Type | Description & Constraints Filter:   |
|---|---|---|---|---|
  Extension |
0..1 | Extension(4.3.0) | R4: For example "salt to parent", "active moiety", "starting material" (new) | |
 url |
1..1 | uri | "http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSpecification.relationship.relationship" | |
  value[x] |
0..1 | CodeableConcept | For example "salt to parent", "active moiety", "starting material" | |
| Documentation for this format | ||||
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Extension |
0..1 | Extension(4.3.0) | R4: For example "salt to parent", "active moiety", "starting material" (new) Constraints: ext-1 | |
 id |
0..1 | id | Unique id for inter-element referencing | |
 extension |
0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url Constraints: ext-1 | |
| url |
1..1 | uri | "http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSpecification.relationship.relationship" | |
| value[x] |
0..1 | CodeableConcept | For example "salt to parent", "active moiety", "starting material" | |
| Documentation for this format | ||||
Differential View
This structure is derived from Extension
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Extension |
0..1 | Extension(4.3.0) | R4: For example "salt to parent", "active moiety", "starting material" (new) | |
| url |
1..1 | uri | "http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSpecification.relationship.relationship" | |
| value[x] |
0..1 | CodeableConcept | For example "salt to parent", "active moiety", "starting material" | |
| Documentation for this format | ||||
Snapshot View
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Extension |
0..1 | Extension(4.3.0) | R4: For example "salt to parent", "active moiety", "starting material" (new) Constraints: ext-1 | |
| id |
0..1 | id | Unique id for inter-element referencing | |
| extension |
0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url Constraints: ext-1 | |
| url |
1..1 | uri | "http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSpecification.relationship.relationship" | |
| value[x] |
0..1 | CodeableConcept | For example "salt to parent", "active moiety", "starting material" | |
| Documentation for this format | ||||
Other representations of profile: CSV, Excel, Schematron
| Id | Grade | Path(s) | Description | Expression |
| ele-1 | error | Extension, Extension.extension, Extension.value[x] | All FHIR elements must have a @value or children unless an empty Parameters resource |
hasValue() or (children().count() > id.count()) or $this is Parameters
|
| ext-1 | error | Extension, Extension.extension | Must have either extensions or value[x], not both |
extension.exists() != value.exists()
|
IG © 2025+ FHIR Infrastructure. Package hl7.fhir.uv.xver-r4.r4b#0.1.0 based on FHIR 4.3.0. Generated 2026-03-20
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