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: IMMZD2DTHepatitisAEncounterElements

Official URL: http://smart.who.int/immunizations/Library/IMMZD2DTHepatitisAEncounterElements Version: 1.0.0
Draft as of 2026-10-02 Computable Name: IMMZD2DTHepatitisAEncounterElements

This library defines encounter-based elements for Hepatitis A used throughout the Immunization CPG

Exception parsing generated Narrative (see /tmp/liquid-78ba10fc-6f6b-4dcd-ae2e-61df22c2c845.html): Unable to Parse HTML - node 'code' has unexpected content ' ' (last text = ' /* * Library: IMMZD2DTHepatitisAEncounterElements */ library IMMZD2DTHepatitisAEncounterElements using FHIR version '4.0.1' include FHIRHelpers version '4.0.1' include WHOConcepts include WHOCommon called WC include WHOElements called WE include IMMZCommon called Common include IMMZConcepts called Concepts include IMMZEncounterElements called Encounter include IMMZD2DTHepatitisAElements called HepatitisAElements parameter Today Date default Today() parameter EncounterId String context Patient /* @internal: Hepatitis A containing Doses Administered to Patient */ define "Hepatitis A Doses Administered to Patient": Encounter."Doses Administered to Patient" I where I.vaccineCode in Concepts."Hepatitis A-containing vaccines" /* @internal: Hepatitis A containing Doses Administered to Patient that are in the Primary series */ define "Hepatitis A Primary Series Doses Administered to Patient": "Hepatitis A Doses Administered to Patient".seriesPrimary() /* @internal: Number of Hepatitis A Primary Series doses */ define "Number of Hepatitis A Primary Series Doses Administered": Count("Hepatitis A Primary Series Doses Administered to Patient") /* @input: Client's age is less than 12 months @pseudocode: Today's date − "Date of birth" ' at line 254 column 46