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

Library: IMMZAgeConcepts

Official URL: http://smart.who.int/immunizations/Library/IMMZAgeConcepts Version: 1.0.0
Draft as of 2026-10-02 Computable Name: IMMZAgeConcepts

This library defines concepts for ages and age ranges used throughout the Immunization CPG

Exception parsing generated Narrative (see /tmp/liquid-a8b32acf-4809-417d-b19b-6ead2d965d89.html): Unable to Parse HTML - node 'code' has unexpected content ' ' (last text = 'library IMMZAgeConcepts codesystem "ISO-8601-Derived Periods": 'http://ohie.org/CodeSystem/iso-8601-derived-periods' // Age Groups for Vaccines for infants code "P0Y--P1Y": 'P0Y--P1Y' from "ISO-8601-Derived Periods" display '' at line 153 column 71