Aotearoa Immunisation Register (AIR) FHIR Implementation Guide
1.31.0 - ci-build New Zealand

Aotearoa Immunisation Register (AIR) FHIR Implementation Guide - Local Development build (v1.31.0) built by the FHIR (HL7® FHIR® Standard) Build Tools. See the Directory of published versions

## Extension: AIR Antigen Group Vaccination Schedule

Official URL: https://standards.digital.health.nz/fhir/air/StructureDefinition/air-agvs | Version: 1.31.0
Active as of 2026-07-23 | Computable Name: AIRAGVS

This extension to the AIR ImmunizationRecommendation profile is used to convey information about the antigen group vaccination schedule associated with a Scheduled Event, including the schedule type, the series type, the antigen group, and the version.

Context of Use

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

- Element ID: `ImmunizationRecommendation.recommendation`

Usage info

Usages:

- Use this Extension: AIR Immunization Recommendation
- Examples for this Extension: Bundle/AIRBundleCarePlanExample and ImmunizationRecommendation/ir1

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 | AIR Antigen Group Vaccination Schedule
extension |  | 4..* | Extension | Extension
Slices for extension |  |  |  | Content/Rules for all slices
extension:schedule-type |  | 1..1 | Extension | Extension
extension |  | 0..0 |  | Extension
url |  | 1..1 | uri | "schedule-type"
value[x] |  | 0..1 | Coding | Value of extension
extension:series-type |  | 1..1 | Extension | Extension
extension |  | 0..0 |  | Extension
url |  | 1..1 | uri | "series-type"
value[x] |  | 0..1 | Coding | Value of extension
extension:antigen-group |  | 1..1 | Extension | Extension
extension |  | 0..0 |  | Extension
url |  | 1..1 | uri | "antigen-group"
value[x] |  | 0..1 | Coding | Value of extension
extension:version |  | 1..1 | Extension | Extension
extension |  | 0..0 |  | Extension
url |  | 1..1 | uri | "version"
value[x] |  | 0..1 | string | Value of extension
url |  | 1..1 | uri | "https://standards.digital.health.nz/fhir/air/StructureDefinition/air-agvs"
value[x] |  | 0..0 |  | Value of extension
Documentation for this format

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension |  | 0..* | Extension | AIR Antigen Group Vaccination Schedule
id |  | 0..1 | string | Unique id for inter-element referencing
Slices for extension |  | 4..* | Extension | Extension Slice: Unordered, Open by value:url
extension:schedule-type |  | 1..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 | "schedule-type"
value[x] |  | 0..1 | Coding | Value of extension
extension:series-type |  | 1..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 | "series-type"
value[x] |  | 0..1 | Coding | Value of extension
extension:antigen-group |  | 1..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 | "antigen-group"
value[x] |  | 0..1 | Coding | Value of extension
extension:version |  | 1..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 | "version"
value[x] |  | 0..1 | string | Value of extension
url |  | 1..1 | uri | "https://standards.digital.health.nz/fhir/air/StructureDefinition/air-agvs"
Documentation for this format

This structure is derived from Extension

Summary

Complex Extension: This extension to the AIR ImmunizationRecommendation profile is used to convey information about the antigen group vaccination schedule associated with a Scheduled Event, including the schedule type, the series type, the antigen group, and the version.

- schedule-type: Coding: An Extension
- series-type: Coding: An Extension
- antigen-group: Coding: An Extension
- version: string: An Extension

Differential View

This structure is derived from Extension

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension |  | 0..* | Extension | AIR Antigen Group Vaccination Schedule
extension |  | 4..* | Extension | Extension
Slices for extension |  |  |  | Content/Rules for all slices
extension:schedule-type |  | 1..1 | Extension | Extension
extension |  | 0..0 |  | Extension
url |  | 1..1 | uri | "schedule-type"
value[x] |  | 0..1 | Coding | Value of extension
extension:series-type |  | 1..1 | Extension | Extension
extension |  | 0..0 |  | Extension
url |  | 1..1 | uri | "series-type"
value[x] |  | 0..1 | Coding | Value of extension
extension:antigen-group |  | 1..1 | Extension | Extension
extension |  | 0..0 |  | Extension
url |  | 1..1 | uri | "antigen-group"
value[x] |  | 0..1 | Coding | Value of extension
extension:version |  | 1..1 | Extension | Extension
extension |  | 0..0 |  | Extension
url |  | 1..1 | uri | "version"
value[x] |  | 0..1 | string | Value of extension
url |  | 1..1 | uri | "https://standards.digital.health.nz/fhir/air/StructureDefinition/air-agvs"
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 | AIR Antigen Group Vaccination Schedule
id |  | 0..1 | string | Unique id for inter-element referencing
Slices for extension |  | 4..* | Extension | Extension Slice: Unordered, Open by value:url
extension:schedule-type |  | 1..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 | "schedule-type"
value[x] |  | 0..1 | Coding | Value of extension
extension:series-type |  | 1..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 | "series-type"
value[x] |  | 0..1 | Coding | Value of extension
extension:antigen-group |  | 1..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 | "antigen-group"
value[x] |  | 0..1 | Coding | Value of extension
extension:version |  | 1..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 | "version"
value[x] |  | 0..1 | string | Value of extension
url |  | 1..1 | uri | "https://standards.digital.health.nz/fhir/air/StructureDefinition/air-agvs"
Documentation for this format

This structure is derived from Extension

Summary

Complex Extension: This extension to the AIR ImmunizationRecommendation profile is used to convey information about the antigen group vaccination schedule associated with a Scheduled Event, including the schedule type, the series type, the antigen group, and the version.

- schedule-type: Coding: An Extension
- series-type: Coding: An Extension
- antigen-group: Coding: An Extension
- version: string: An Extension

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()`