HL7® FHIR® New Zealand Base Implementation Guide
3.1.0 - Draft

HL7® FHIR® New Zealand Base Implementation Guide, published by HL7 New Zealand. This guide is not an authorized publication; it is the continuous build for version 3.1.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/daniel-thomson/nzbase/ and changes regularly. See the Directory of published versions

## Extension: AdditionalAuthorisation

Official URL: http://hl7.org.nz/fhir/StructureDefinition/additional-authorisation | Version: 1.0.0
Active as of 2026-05-21 | Computable Name: AdditionalAuthorisation

Additional authorisations that a practitioner is authorised to perform in addition to their registration and scope of practice. Examples include:

- Prescribing authorisation for a nurse practitioner
- Authorisation to administer immunisations

Context of Use

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

- Element ID: `Practitioner.qualification`

Example of extension

      <qualification>
        <extension url="http://hl7.org.nz/fhir/StructureDefinition/additional-authorisation">
          <extension url="code">
            <valueCodeableConcept>
              <coding>
                <system value="https://standards.digital.health.nz/ns/practitioner-additional-authorisation-code"/>
                <code value="IMMU"/>
                <display value="Immunisation"/>
              </coding>
            </valueCodeableConcept>
          </extension>
          <extension url="period">
            <valuePeriod>
              <start value="2022-01-01"/>
            </valuePeriod>
          </extension>
        </extension>
        <code>
          <coding>
            <system value="http://terminology.hl7.org/CodeSystem/v2-0360"/>
            <code value="BS"/>
          </coding>
        </code>
      </qualification>

Example instances

Practitioner with additional authorisation

Usage info

Usages:

- Use this Extension: Practitioner resource for use in NZ
- Examples for this Extension: Practitioner/practitioner-additional-authorisation

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 | Extension
Slices for extension |  |  |  | Content/Rules for all slices
extension:code |  | 0..1 | Extension | Extension
extension |  | 0..0 |  | Extension
url |  | 1..1 | uri | "code"
value[x] |  | 0..1 | CodeableConcept | Value of extension Binding: Additional Practitioner authorisations (preferred)
extension:period |  | 0..1 | Extension | Extension
extension |  | 0..0 |  | Extension
url |  | 1..1 | uri | "period"
value[x] |  | 0..1 | Period | Value of extension
url |  | 1..1 | uri | "http://hl7.org.nz/fhir/StructureDefinition/additional-authorisation"
value[x] |  | 0..0 |  | Value of extension
Documentation for this format

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension |  | 0..* | Extension | Extension
id |  | 0..1 | string | Unique id for inter-element referencing
Slices for extension |  | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url
extension:code |  | 0..1 | Extension | Extension
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..0 |  | Extension Slice: Unordered, Open by value:url
url |  | 1..1 | uri | "code"
value[x] |  | 0..1 | CodeableConcept | Value of extension Binding: Additional Practitioner authorisations (preferred)
extension:period |  | 0..1 | Extension | Extension
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..0 |  | Extension Slice: Unordered, Open by value:url
url |  | 1..1 | uri | "period"
value[x] |  | 0..1 | Period | Value of extension
url |  | 1..1 | uri | "http://hl7.org.nz/fhir/StructureDefinition/additional-authorisation"
Documentation for this format

This structure is derived from Extension

Summary

Complex Extension: Additional authorisations that a practitioner is authorised to perform in addition to their registration and scope of practice. Examples include:

- Prescribing authorisation for a nurse practitioner
- Authorisation to administer immunisations

- code: CodeableConcept: A code identifying the additional authorisations that a practitioner is authorised to perform
- period: Period: The period the additional authorisation is effective

Differential View

This structure is derived from Extension

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension |  | 0..* | Extension | Extension
Slices for extension |  |  |  | Content/Rules for all slices
extension:code |  | 0..1 | Extension | Extension
extension |  | 0..0 |  | Extension
url |  | 1..1 | uri | "code"
value[x] |  | 0..1 | CodeableConcept | Value of extension Binding: Additional Practitioner authorisations (preferred)
extension:period |  | 0..1 | Extension | Extension
extension |  | 0..0 |  | Extension
url |  | 1..1 | uri | "period"
value[x] |  | 0..1 | Period | Value of extension
url |  | 1..1 | uri | "http://hl7.org.nz/fhir/StructureDefinition/additional-authorisation"
value[x] |  | 0..0 |  | Value of extension
Documentation for this format

Snapshot View

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension |  | 0..* | Extension | Extension
id |  | 0..1 | string | Unique id for inter-element referencing
Slices for extension |  | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url
extension:code |  | 0..1 | Extension | Extension
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..0 |  | Extension Slice: Unordered, Open by value:url
url |  | 1..1 | uri | "code"
value[x] |  | 0..1 | CodeableConcept | Value of extension Binding: Additional Practitioner authorisations (preferred)
extension:period |  | 0..1 | Extension | Extension
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..0 |  | Extension Slice: Unordered, Open by value:url
url |  | 1..1 | uri | "period"
value[x] |  | 0..1 | Period | Value of extension
url |  | 1..1 | uri | "http://hl7.org.nz/fhir/StructureDefinition/additional-authorisation"
Documentation for this format

This structure is derived from Extension

Summary

Complex Extension: Additional authorisations that a practitioner is authorised to perform in addition to their registration and scope of practice. Examples include:

- Prescribing authorisation for a nurse practitioner
- Authorisation to administer immunisations

- code: CodeableConcept: A code identifying the additional authorisations that a practitioner is authorised to perform
- period: Period: The period the additional authorisation is effective

Other representations of profile: CSV, Excel, Schematron

#### Terminology Bindings

Path | Status | Usage | ValueSet | Version | Source
Extension.extension:code.​value[x] | Base | preferred | Additional Practitioner authorisations | 📦1.0.1 | 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()`