Open Health Hub FHIR Implementation Guide - Local Development build (v0.1.0) built by the FHIR (HL7® FHIR® Standard) Build Tools. See the Directory of published versions
Extension: Task UUID
| Official URL: https://api.openhealthhub.com/OpenHealthhub/fhir/4/StructureDefinition/task-uuid | Version: 0.1.0 | |||
| Active as of 2025-12-03 | Computable Name: TaskUuid | |||
The UUID of the program task this activity represents
Context of Use
This extension may be used on the following element(s):
- Element ID CarePlan.activity.detail
Usage info
Usages:
- Use this Extension: OHH Retrieve Care Plan Profile
- Examples for this Extension: CarePlan/4
You can also check for usages in the FHIR IG Statistics
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 Filter:   |
|---|---|---|---|---|
  Extension |
0..* | Extension | Task UUID | |
  id |
0..1 | string | Unique id for inter-element referencing | |
 extension |
0..0 | Extension Slice: Unordered, Open by value:url | ||
| url |
1..1 | uri | "https://api.openhealthhub.com/OpenHealthhub/fhir/4/StructureDefinition/task-uuid" | |
 value[x] |
0..1 | string | Value of extension | |
| Documentation for this format | ||||
This structure is derived from Extension
Differential View
This structure is derived from Extension
Snapshot View
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Extension |
0..* | Extension | Task UUID | |
| id |
0..1 | string | Unique id for inter-element referencing | |
| extension |
0..0 | Extension Slice: Unordered, Open by value:url | ||
| url |
1..1 | uri | "https://api.openhealthhub.com/OpenHealthhub/fhir/4/StructureDefinition/task-uuid" | |
| value[x] |
0..1 | string | Value of extension | |
| Documentation for this format | ||||
Other representations of profile: CSV, Excel, Schematron
Constraints
| Id | Grade | Path(s) | Description | Expression |
| 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()
|