ACT-NOW Implementation Guide - Local Development build (v0.5.0) built by the FHIR (HL7® FHIR® Standard) Build Tools. See the Directory of published versions
Extension: ClinicalTrial
| Official URL: http://canshare.co.nz/fhir/StructureDefinition/an-clinical-trial | Version: 0.5.0 | |||
| Draft as of 2026-06-15 |
Realm: 
|
Computable Name: ClinicalTrial | ||
Is on a clinical trial
Context of Use
-
Element ID:
CarePlan
This extension may be used on the following element(s)
Usage info
Usages:
- Use this Extension: Regimen Careplan
- Examples for this Extension: CarePlan/careplan-regimen-1
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
| Name | Flags | Card. | Type | Description & Constraints Filter:   |
|---|---|---|---|---|
  Extension |
0..* | Extension | Extension | |
  extension |
0..0 | |||
| url |
1..1 | uri | "http://canshare.co.nz/fhir/StructureDefinition/an-clinical-trial" | |
  value[x] |
0..1 | CodeableConcept | Value of extension Binding: Is on a clinical trial (required) | |
| Documentation for this format | ||||
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Extension |
0..* | Extension | Extension | |
 id |
0..1 | string | Unique id for inter-element referencing | |
| extension |
0..0 | |||
| url |
1..1 | uri | "http://canshare.co.nz/fhir/StructureDefinition/an-clinical-trial" | |
| value[x] |
0..1 | CodeableConcept | Value of extension Binding: Is on a clinical trial (required) | |
| Documentation for this format | ||||
This structure is derived from Extension
Differential View
This structure is derived from Extension
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Extension |
0..* | Extension | Extension | |
| extension |
0..0 | |||
| url |
1..1 | uri | "http://canshare.co.nz/fhir/StructureDefinition/an-clinical-trial" | |
| value[x] |
0..1 | CodeableConcept | Value of extension Binding: Is on a clinical trial (required) | |
| Documentation for this format | ||||
Snapshot View
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Extension |
0..* | Extension | Extension | |
| id |
0..1 | string | Unique id for inter-element referencing | |
| extension |
0..0 | |||
| url |
1..1 | uri | "http://canshare.co.nz/fhir/StructureDefinition/an-clinical-trial" | |
| value[x] |
0..1 | CodeableConcept | Value of extension Binding: Is on a clinical trial (required) | |
| Documentation for this format | ||||
This structure is derived from Extension
Other representations of profile: CSV, Excel, Schematron
Terminology Bindings
| Path | Conformance | ValueSet | URI |
| Extension.value[x] | required | ClinicalTrialhttps://nzhts.digital.health.nz/fhir/ValueSet/canshare-sact-drug-trialFrom this IG |
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() |