WHO Immunization Implementation Guide
1.0.0 - release

This page is part of the Immunizations (v1.0.0: Release) based on FHIR (HL7® FHIR® Standard) R4. This is the current published version in its permanent home (it will always be available at this URL). For a full list of available versions, see the Directory of published versions

Extension: Immunization Due Date of Next Dose

Official URL: http://smart.who.int/immunizations/StructureDefinition/IMMZDueDateOfNextDose Version: 1.0.0
Active as of 2026-10-02 Computable Name: IMMZDueDateOfNextDose

The service delivery location (location name, city, municipality, town or village) where the vaccine administration occurred

Context of Use

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 Immunization Due Date of Next Dose
... extension 0..0 Extension
... url 1..1 uri "http://smart.who.int/immunizations/StructureDefinition/IMMZDueDateOfNextDose"
... value[x] 0..1 date Value of extension

doco Documentation for this format
NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension Immunization Due Date of Next Dose
... 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://smart.who.int/immunizations/StructureDefinition/IMMZDueDateOfNextDose"

doco Documentation for this format

This structure is derived from Extension

Summary

Simple Extension with the type date: The service delivery location (location name, city, municipality, town or village) where the vaccine administration occurred

Differential View

This structure is derived from Extension

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension Immunization Due Date of Next Dose
... extension 0..0 Extension
... url 1..1 uri "http://smart.who.int/immunizations/StructureDefinition/IMMZDueDateOfNextDose"
... value[x] 0..1 date Value of extension

doco Documentation for this format

Snapshot View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension Immunization Due Date of Next Dose
... 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://smart.who.int/immunizations/StructureDefinition/IMMZDueDateOfNextDose"

doco Documentation for this format

This structure is derived from Extension

Summary

Simple Extension with the type date: The service delivery location (location name, city, municipality, town or village) where the vaccine administration occurred

 

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()