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

This page is part of the HL7® FHIR® New Zealand Base Implementation Guide (v3.1.0: Release) based on FHIR (HL7® FHIR® Standard) R4. This is the current published version. For a full list of available versions, see the Directory of published versions

Extension: RegistrationInitialDate

Official URL: http://hl7.org.nz/fhir/StructureDefinition/registration-initial-date Version: 1.0.0
Active as of 2026-07-24 Computable Name: RegistrationInitialDate

The date the practitioner first became registered with the Responsible Authority or professional body

Context of Use

Example of extension

<extension url="http://hl7.co.nz/fhir/StructureDefinition/registration-initial-date">
   <valueDateTime value="2020-06-30T00:00:00+00:00" />
</extension>

Note that this is applied to the qualification element, not the resource root. See the full example below.

Example instances

Practitioner with initial date

Usage info

Usages:

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.

This structure is derived from Extension

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension Extension
... extension 0..0 Extension
... url 1..1 uri "http://hl7.org.nz/fhir/StructureDefinition/registration-initial-date"
... value[x] 0..1 date Value of extension

doco Documentation for this format
NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* 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 "http://hl7.org.nz/fhir/StructureDefinition/registration-initial-date"

doco Documentation for this format

This structure is derived from Extension

Summary

Simple Extension with the type date: The date the practitioner first became registered with the Responsible Authority or professional body

Differential View

This structure is derived from Extension

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension Extension
... extension 0..0 Extension
... url 1..1 uri "http://hl7.org.nz/fhir/StructureDefinition/registration-initial-date"
... value[x] 0..1 date Value of extension

doco Documentation for this format

Snapshot View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* 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 "http://hl7.org.nz/fhir/StructureDefinition/registration-initial-date"

doco Documentation for this format

This structure is derived from Extension

Summary

Simple Extension with the type date: The date the practitioner first became registered with the Responsible Authority or professional body

 

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()