Unattributed Code Systems

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External References

Type Reference Content
web browser.ihtsdotools.org The adverse reaction event, from the NZ COVID-19 immunisation reaction refset
Binding: SCT Reference Set 61231000210108 ( required )
web www.tewhatuora.govt.nz IG © 2026+ Health New Zealand | Te Whatu Ora . Package tewhatuora.nzhts#0.9.0 based on FHIR 4.0.1 . Generated 2026-08-17
Links: Table of Contents | QA Report
web browser.ihtsdotools.org The codes SHALL be taken from For example codes, see SCT Reference Set 61231000210108 http://hl7.org/fhir/ValueSet/observation-codes|4.0.1
( required to http://snomed.info/sct/21000210109?fhir_vs=refset/61231000210108 )
web browser.ihtsdotools.org The codes SHALL be taken from SCT Reference Set 61231000210108
( required to http://snomed.info/sct/21000210109?fhir_vs=refset/61231000210108 )
web snomed.info SNOMED CT Concept Domain Binding
web github.com This is not decoration. It is what lets a validator - or any consumer - determine which terminology server can answer questions about the code . The terminology server registry declares NZHTS authoritative for the pattern:
web browser.ihtsdotools.org SCT Reference Set 61231000210108
web github.com Setting the version is not merely documentation. It is what allows a validator, or any consumer, to work out which terminology server can answer questions about this code . The terminology server registry declares NZHTS authoritative for http://snomed.info/sct|http://snomed.info/sct/21000210109* - a match on system and version . A coding that omits the version is just unqualified SNOMED CT, and will be routed to a general-purpose server that does not hold the NZ edition and cannot resolve NZ edition content.
web www.healthnz.govt.nz This IG provides guidance on using NZHTS with FHIR. It focuses on the integration of terminology with FHIR tooling and how to use NZ terminology in FHIR IGs, rather than the clinical governance of individual terminologies or other NZHTS capabilities (such as the authoring platform). For more general NZHTS information, see the NZHTS home page .
web nzhts.digital.health.nz The production FHIR terminology endpoint is https://nzhts.digital.health.nz/fhir . The included NZHTS CapabilityStatement describes the server's supported functionality. This can also be retreived directly from https://nzhts.digital.health.nz/fhir/metadata
web www.healthnz.govt.nz Health New Zealand NZHTS overview
web nzhts.digital.health.nz NZHTS Ontoserver Dashboard
web github.com NZHTS API examples on GitHub
web www.healthnz.govt.nz HNZ Digital Services Hub
web nzhts.digital.health.nz obtaining versioned terminology content through the NZHTS syndication feed for loading into downstream terminology services.
web github.com This page provides background on how the terminology ecosystem works: the actors involved, how the IG Publisher decides which terminology server to call, and what happens end to end during a build. It is not strictly necessary to understand how the terminology co-ordination service and registry work in detail, but it is helpful when building IGs to understand at a high level where terminology is being sourced, validated, and expanded from. The full documentation is available in the Github terminology server registry docs and accompanying FHIR IG .

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