HL7® FHIR® Te Aho o Te Kahu, Cancer Control Agency Implementation Guide
0.1.0 - CI Build

HL7® FHIR® Te Aho o Te Kahu, Cancer Control Agency Implementation Guide, published by Te Aho o Te Kahu, Cancer Control Agency. This guide is not an authorized publication; it is the continuous build for version 0.1.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7NZ/cca/ and changes regularly. See the Directory of published versions

## Extension: Regimen under review

Official URL: http://hl7.org.nz/fhir/StructureDefinition/sact-additional-plan-status | Version: 0.1.0
Active as of 2026-05-21 | Computable Name: AdditionalPlanStatus

Additional status values for PlanDefinition. Currently only a single value - review - indicating that a regimen is published and available to be used, but there is still a review being performed, so could change. In most situations the value of the status element itself will be 'active'

Context of Use

This extension may be used on the following element(s)

- Element ID: `PlanDefinition.status`

Usage info

Usages:

- Use this Extension: PlanDefinition
- Examples for this Extension: PlanDefinition/ColoRectal

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.

- Differential Table
- Snapshot Table
- Statistics/References
- All

This structure is derived from Extension

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension |  | 0..* | Extension | Regimen under review
extension |  | 0..0 |  | Extension
url |  | 1..1 | uri | "http://hl7.org.nz/fhir/StructureDefinition/sact-additional-plan-status"
value[x] |  | 0..1 | code | Value of extension Binding: PlanDefinition additional status (required)
Documentation for this format

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension |  | 0..* | Extension | Regimen under review
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..0 |  | Extension Slice: Unordered, Open by value:url
url |  | 1..1 | uri | "http://hl7.org.nz/fhir/StructureDefinition/sact-additional-plan-status"
value[x] |  | 0..1 | code | Value of extension Binding: PlanDefinition additional status (required)
Documentation for this format

This structure is derived from Extension

Summary

Simple Extension with the type code: Additional status values for PlanDefinition. Currently only a single value - review - indicating that a regimen is published and available to be used, but there is still a review being performed, so could change. In most situations the value of the status element itself will be 'active'

Differential View

This structure is derived from Extension

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension |  | 0..* | Extension | Regimen under review
extension |  | 0..0 |  | Extension
url |  | 1..1 | uri | "http://hl7.org.nz/fhir/StructureDefinition/sact-additional-plan-status"
value[x] |  | 0..1 | code | Value of extension Binding: PlanDefinition additional status (required)
Documentation for this format

Snapshot View

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension |  | 0..* | Extension | Regimen under review
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..0 |  | Extension Slice: Unordered, Open by value:url
url |  | 1..1 | uri | "http://hl7.org.nz/fhir/StructureDefinition/sact-additional-plan-status"
value[x] |  | 0..1 | code | Value of extension Binding: PlanDefinition additional status (required)
Documentation for this format

This structure is derived from Extension

Summary

Simple Extension with the type code: Additional status values for PlanDefinition. Currently only a single value - review - indicating that a regimen is published and available to be used, but there is still a review being performed, so could change. In most situations the value of the status element itself will be 'active'

Other representations of profile: CSV, Excel, Schematron

#### Terminology Bindings

Path | Status | Usage | ValueSet | Version | Source
Extension.value[x] | Base | required | PlanDefinition additional status | 📦0.1.0 | This IG

#### 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()`