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/HL7NZ/nzbase/ and changes regularly. See the Directory of published versions

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Extension: NZ Geocode

New Zealand Geocode. This uses a different datum from that defined in the HL7 FHIR specification for a Geocode.

Context of Use

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

• Element ID: Address

<extension url = http://hl7.org.nz/fhir/StructureDefinition/nz-geocode>
     <extension url= "latitude">
      <valueDecimal value="-35.99">
    </extension>
    <extension url= "longitude">
      <valueDecimal value="174.47">
    </extension>
    <extension url="datumCode">
      <valueCodeableConcept>
        <coding>
          <system value="https://standards.digital.health.nz/ns/nz-datum-code"/>
          <code value="NZGD2000"/>
          <display value="Nz official datum, used by MoH address service"/>
        </coding>
      </valueCodeableConcept>
    </extension>
</extension>

Usage info

Usages:

• Use this Extension: Common NZ Address datatype
• Examples for this Extension: Patient/patient-nz-geocode

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	NZ Geocode
extension		2..*	Extension	Extension
Slices for extension				Content/Rules for all slices
extension:latitude		1..1	Extension	Extension
extension		0..0
url		1..1	uri	"latitude"
value[x]		0..1	decimal	Value of extension
extension:longitude		1..1	Extension	Extension
extension		0..0
url		1..1	uri	"longitude"
value[x]		0..1	decimal	Value of extension
extension:datumCode		0..1	Extension	Extension
extension		0..0
url		1..1	uri	"datumCode"
value[x]		0..1	CodeableConcept	Value of extension Binding: Datum code (preferred)
url		1..1	uri	"http://hl7.org.nz/fhir/StructureDefinition/nz-geocode"
value[x]		0..0
Documentation for this format

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
Extension		0..*	Extension	NZ Geocode
id		0..1	string	Unique id for inter-element referencing
Slices for extension		2..*	Extension	Extension Slice: Unordered, Open by value:url
extension:latitude		1..1	Extension	Extension
id		0..1	string	Unique id for inter-element referencing
extension		0..0
url		1..1	uri	"latitude"
value[x]		0..1	decimal	Value of extension
extension:longitude		1..1	Extension	Extension
id		0..1	string	Unique id for inter-element referencing
extension		0..0
url		1..1	uri	"longitude"
value[x]		0..1	decimal	Value of extension
extension:datumCode		0..1	Extension	Extension
id		0..1	string	Unique id for inter-element referencing
extension		0..0
url		1..1	uri	"datumCode"
value[x]		0..1	CodeableConcept	Value of extension Binding: Datum code (preferred)
url		1..1	uri	"http://hl7.org.nz/fhir/StructureDefinition/nz-geocode"
Documentation for this format

This structure is derived from Extension

Summary

Complex Extension: New Zealand Geocode. This uses a different datum from that defined in the HL7 FHIR specification for a Geocode.

• latitude: decimal: The latitude of the geocode
• longitude: decimal: The longitude of the geocode
• datumCode: CodeableConcept: The datum used for the lat/long

Differential View

This structure is derived from Extension

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
Extension		0..*	Extension	NZ Geocode
extension		2..*	Extension	Extension
Slices for extension				Content/Rules for all slices
extension:latitude		1..1	Extension	Extension
extension		0..0
url		1..1	uri	"latitude"
value[x]		0..1	decimal	Value of extension
extension:longitude		1..1	Extension	Extension
extension		0..0
url		1..1	uri	"longitude"
value[x]		0..1	decimal	Value of extension
extension:datumCode		0..1	Extension	Extension
extension		0..0
url		1..1	uri	"datumCode"
value[x]		0..1	CodeableConcept	Value of extension Binding: Datum code (preferred)
url		1..1	uri	"http://hl7.org.nz/fhir/StructureDefinition/nz-geocode"
value[x]		0..0
Documentation for this format

Snapshot View

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
Extension		0..*	Extension	NZ Geocode
id		0..1	string	Unique id for inter-element referencing
Slices for extension		2..*	Extension	Extension Slice: Unordered, Open by value:url
extension:latitude		1..1	Extension	Extension
id		0..1	string	Unique id for inter-element referencing
extension		0..0
url		1..1	uri	"latitude"
value[x]		0..1	decimal	Value of extension
extension:longitude		1..1	Extension	Extension
id		0..1	string	Unique id for inter-element referencing
extension		0..0
url		1..1	uri	"longitude"
value[x]		0..1	decimal	Value of extension
extension:datumCode		0..1	Extension	Extension
id		0..1	string	Unique id for inter-element referencing
extension		0..0
url		1..1	uri	"datumCode"
value[x]		0..1	CodeableConcept	Value of extension Binding: Datum code (preferred)
url		1..1	uri	"http://hl7.org.nz/fhir/StructureDefinition/nz-geocode"
Documentation for this format

This structure is derived from Extension

Summary

Complex Extension: New Zealand Geocode. This uses a different datum from that defined in the HL7 FHIR specification for a Geocode.

• latitude: decimal: The latitude of the geocode
• longitude: decimal: The longitude of the geocode
• datumCode: CodeableConcept: The datum used for the lat/long

Other representations of profile: CSV, Excel, Schematron

Terminology Bindings

Constraints