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

## CodeSystem: Information Source

Official URL: https://standards.digital.health.nz/ns/information-source-code | Version: 1.0.0
Active as of 2026-03-12 | Computable Name: InformationSource

All possible sources of information

This Code system is referenced in the content logical definition of the following value sets:

- DodInformationSource
- InformationSource

This case-sensitive code system `https://standards.digital.health.nz/ns/information-source-code` defines the following codes:

Code | Display | Definition
BREG | Birth Register | This code is added only after verification via MOH/DIA birth register matching
BRCT | Birth Certificate | Birth Certificate
NZCT | NZ Citizenship Certificate | New Zealand Citizenship Certificate issued by DIA
PPRT | Passport | Passport
NZCI | NZ Certificate of Identity | Certificate of Identity issued by DIA
NZRT | NZ Refugee Travel Document | Refugee Travel document issued by DIA
NZET | NZ Emergency Travel Document | Emergency Travel document issued by DIA
OTHR | Other | Other official document provided that is not found in the list provided
NPRF | Proof not Sighted | Information (not proof) provided by the patient / whānau verbally communicated. No proof sighted
NZPV | NZ Permanent Resident Visa | A New Zealand Permanent Resident Visa (not time bound) issued by Immigration New Zealand
NZTV | NZ Resident Visa | A New Zealand Resident Visa (time bound) issued by Immigration New Zealand
NZMC | NZ Marriage Certificate |
NZCU | NZ Civil Union Certificate |
NZNC | NZ Name Change Certificate or Deed Poll | NZ Name Change Certificate effective from 25 January 2009, Name Change by Statutary Declaration Documents issued for names changes made between September 1995 and 25 January 2009, Deed Poll for name changes prior to September 1995
NZDL | NZ Driver Licence |
CSC | Community Services Card |
HL7 | HL7 applied | Data has been applied via HL7 message
MIGR | Migrated | From the legacy NHI System with no known external source
DREG | Death Register | The code is added only after MOH/DIA data matching
OSEA | Death Overseas | Indicates a non-New Zealand registered death advised by a third party or discovered by a media search
MCCOD | Medical Certificate Cause of Death | Date of Death from a Medical Certificate Cause of Death. Forms HP4720, HP4721 or BDM 50
CORONER | Coroner Notification | Date of death notified to the Ministry by a Coronial Office
OSEAOFF | Death Overseas Official | Indicates a non-New Zealand registered death advised by an official source from another country.
DIA | DIA data share | The code is added only after DHB or MOH/DIA data matching
INZ | ImmigrationNZ | The code is added only by the MoH or DHB from information provided by ImmigrationNZ data sharing