description: This identifier profile defines a Geocoded National Address File (G-NAF) identifier in an Australian context. The [PSMA G-NAF](https://data.gov.au/data/dataset/geocoded-national-address-file-g-naf) is Australia’s authoritative, geocoded address file. A G-NAF identifier (sometimes referred to as G-NAF ID, or G-NAF PID, or GNAF ID, or address_detail_pid) identifies an address in the PSMA G-NAF. package_name: hl7.fhir.au.base derivation: constraint name: AUGNAFIdentifier type: Identifier elements: type: short: Coded identifier type for G-NAF pattern: type: CodeableConcept value: coding: - {code: GNAF, system: 'http://terminology.hl7.org.au/CodeSystem/v2-0203'} index: 0 system: pattern: {type: Uri, value: 'http://hl7.org.au/id/gnafidentifier'} index: 1 value: {short: G-NAF identifier, maxLength: 15, index: 2} package_version: 4.2.2-preview class: complex-type kind: complex-type url: http://hl7.org.au/fhir/StructureDefinition/au-gnafidentifier base: http://hl7.org/fhir/StructureDefinition/Identifier version: 4.2.2-preview required: [value, type, system]