Extensions for Using Data Elements from FHIR STU3 in FHIR R4
0.1.0 - STU
Extensions for Using Data Elements from FHIR STU3 in FHIR R4
0.1.0 - STU
Extensions for Using Data Elements from FHIR STU3 in FHIR R4 - Downloaded Version null See the Directory of published versions
| Official URL: http://hl7.org/fhir/3.0/StructureDefinition/extension-Questionnaire.item.enableWhen.answer | Version: 0.1.0 | |||
| Standards status: Trial-use | Maturity Level: 0 | Computable Name: ExtensionQuestionnaire_Item_EnableWhen_Answer | ||
STU3: Questionnaire.item.enableWhen.answer[x] additional types (Attachment)
This extension is part of the cross-version definitions generated to enable use of the
element Questionnaire.item.enableWhen.answer[x] as defined in FHIR STU3
in FHIR R4.
The source element is defined as:
Questionnaire.item.enableWhen.answer[x] 0..1 Attachment, boolean, Coding, date, dateTime, decimal, integer, Quantity, Reference(http://hl7.org/fhir/StructureDefinition/Resource), string, time, uri
Following are the generation technical comments:
Element Questionnaire.item.enableWhen.answer[x] is mapped to FHIR R4 element Questionnaire.item.enableWhen.answer[x] as RelatedTo.
The mappings for Questionnaire.item.enableWhen.answer[x] do not cover the following types: Attachment.
The target context Questionnaire.item.enableWhen.answer[x] is a choice-type element and cannot directly hold extensions. The context is moved up to parent element Questionnaire.item.enableWhen.
Context of Use
This extension may be used on the following element(s)
Questionnaire.item.enableWhen
This extension is allowed for use with FHIR versions R4 to R4 .
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(4.0.1) | STU3: Value question must have additional types | |
 url |
1..1 | uri | "http://hl7.org/fhir/3.0/StructureDefinition/extension-Questionnaire.item.enableWhen.answer" | |
  value[x] |
0..1 | Attachment | Value question must have | |
| Documentation for this format | ||||
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Extension |
0..1 | Extension(4.0.1) | STU3: Value question must have additional types Constraints: ext-1 | |
 id |
0..1 | string | 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/3.0/StructureDefinition/extension-Questionnaire.item.enableWhen.answer" | |
| value[x] |
0..1 | Attachment | Value question must have | |
| Documentation for this format | ||||
Differential View
This structure is derived from Extension
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Extension |
0..1 | Extension(4.0.1) | STU3: Value question must have additional types | |
| url |
1..1 | uri | "http://hl7.org/fhir/3.0/StructureDefinition/extension-Questionnaire.item.enableWhen.answer" | |
| value[x] |
0..1 | Attachment | Value question must have | |
| Documentation for this format | ||||
Snapshot View
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Extension |
0..1 | Extension(4.0.1) | STU3: Value question must have additional types Constraints: ext-1 | |
| id |
0..1 | string | 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/3.0/StructureDefinition/extension-Questionnaire.item.enableWhen.answer" | |
| value[x] |
0..1 | Attachment | Value question must have | |
| 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 |
hasValue() or (children().count() > id.count())
|
| 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-r3.r4#0.1.0 based on FHIR 4.0.1. Generated 2026-03-20
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