JASPEHR Implementation Guide - Local Development build (v0.5.11) built by the FHIR (HL7® FHIR® Standard) Build Tools. See the Directory of published versions
Extension: Initial expression
| Official URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-initialExpression | Version: 0.5.11 | |||
| Draft as of 2014-04-21 | Responsible: HL7 International / FHIR Infrastructure | Computable Name: InitialExpressionExtension | ||
Initial value for a question answer as determined by an evaluated expression.
Context of Use
This extension may be used on the following element(s):
- Element ID Questionnaire.item
- Element ID Questionnaire.item.item
Usage info
Usage:
- Use this Extension: QuestionnaireJaspehr
Formal Views of Extension Content
Description of Profiles, Differentials, Snapshots, and how the XML and JSON presentations work.
This structure is derived from Extension
This structure is derived from Extension
| Name | Flags | Card. | Type | Description & Constraints |
|---|---|---|---|---|
  Extension | 0..1 | Extension | Expression-determined initial value | |
  extension | 0..0 | |||
| url | 1..1 | uri | "http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-initialExpression" | |
  valueExpression | 0..1 | Expression | Value of extension | |
| Documentation for this format | ||||
| Name | Flags | Card. | Type | Description & Constraints |
|---|---|---|---|---|
| Extension | 0..1 | Extension | Expression-determined initial value | |
 id | 0..1 | string | Unique id for inter-element referencing | |
| extension | 0..0 | |||
| url | 1..1 | uri | "http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-initialExpression" | |
  Slices for value[x] | 0..1 | Expression | Value of extension Slice: Unordered, Closed by type:$this | |
   value[x]:valueExpression | 0..1 | Expression | Value of extension | |
| Documentation for this format | ||||
This structure is derived from Extension
Differential View
This structure is derived from Extension
| Name | Flags | Card. | Type | Description & Constraints |
|---|---|---|---|---|
| Extension | 0..1 | Extension | Expression-determined initial value | |
| extension | 0..0 | |||
| url | 1..1 | uri | "http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-initialExpression" | |
| valueExpression | 0..1 | Expression | Value of extension | |
| Documentation for this format | ||||
Snapshot View
| Name | Flags | Card. | Type | Description & Constraints |
|---|---|---|---|---|
| Extension | 0..1 | Extension | Expression-determined initial value | |
| id | 0..1 | string | Unique id for inter-element referencing | |
| extension | 0..0 | |||
| url | 1..1 | uri | "http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-initialExpression" | |
| Slices for value[x] | 0..1 | Expression | Value of extension Slice: Unordered, Closed by type:$this | |
| value[x]:valueExpression | 0..1 | Expression | Value of extension | |
| Documentation for this format | ||||
Other representations of profile: CSV, Excel, Schematron
Constraints
| Id | Grade | Path(s) | Details | Requirements |
| ele-1 | error | **ALL** elements | All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count()) | |
| ext-1 | error | **ALL** extensions | Must have either extensions or value[x], not both : extension.exists() != value.exists() |