WHO Immunization Implementation Guide
0.2.0 - ci-build

WHO Immunization Implementation Guide, published by WHO. This guide is not an authorized publication; it is the continuous build for version 0.2.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/WorldHealthOrganization/smart-immunizations/ and changes regularly. See the Directory of published versions

Library: IMMZD18SHepatitisALHAV1Logic

Official URL: http://smart.who.int/immunizations/Library/IMMZD18SHepatitisALHAV1Logic Version: 0.2.0
Draft as of 2025-09-17 Computable Name: IMMZD18SHepatitisALHAV1Logic

This library defines decision support logic for the IMMZ.D18.S.Hepatitis A.Live attenuated HAV 1-dose schedule table in the Immunization CPG

Title: IMMZD18SHepatitisALHAV1Logic
Id: IMMZD18SHepatitisALHAV1Logic
Version: 0.2.0
Url: IMMZD18SHepatitisALHAV1Logic
Status: draft
Type:

system: http://terminology.hl7.org/CodeSystem/library-type

code: logic-library

Date: 2025-09-17 23:03:28+0000
Publisher: WHO
Description:

This library defines decision support logic for the IMMZ.D18.S.Hepatitis A.Live attenuated HAV 1-dose schedule table in the Immunization CPG

Related Artifacts:

Dependencies

Parameters:
NameTypeMinMaxIn/Out
Todaydate01In
PatientPatient01Out
First hepatitis A dose from the primary series was administered. The primary series has been completedboolean01Out
Hepatitis A dose 1boolean01Out
Hepatitis A dose 1 Due Datedate01Out
Hepatitis A dose 1 Createstring01Out
Hepatitis A dose 1 OverdueResource01Out
Hepatitis A dose 1 ExpirationResource01Out
Test ValidationResource01Out
Content: text/cql

/*
 * Library: IMMZD18SHepatitisALHAV1Logic (IMMZ.D18.S.Hepatitis A.Live attenuated HAV 1-dose schedule)
 * Schedule Table: Live attenuated hepatitis A virus (HAV), 1 dose schedule
 */
library IMMZD18SHepatitisALHAV1Logic

using FHIR version '4.0.1'
include FHIRHelpers version '4.0.1'

include WHOCommon called WC

include IMMZCommon called Common
include IMMZConcepts called Concepts

include IMMZEncounterElements called IE
include IMMZD2DTHepatitisAEncounterElements called Encounter

parameter Today Date default Today()

context Patient


/*
@output: Hepatitis A dose 1
@description: Provision of the hepatitis A dose 1
@trigger: Child's birth
@triggerDate: "Date of birth"
*/
define "Hepatitis A dose 1":
  Encounter."No hepatitis A primary series dose was administered"
  and not "First hepatitis A dose from the primary series was administered. The primary series has been completed"

/*
@output: Hepatitis A dose 1 Create
@create: Live vaccines are licensed for individuals aged ≥ 18 months and are administered as a single subcutaneous dose.
*/
define "Hepatitis A dose 1 Create":
  if "Hepatitis A dose 1" 
  then 'Live vaccines are licensed for individuals aged ≥ 18 months and are administered as a single subcutaneous dose.' + '
Due Date: ' + ToString("Hepatitis A dose 1 Due Date")
  else ''

/*
@dynamicValue: Hepatitis A dose 1 Due Date
@pseudocode: "Date of birth" + 18 months
*/
define "Hepatitis A dose 1 Due Date":
  if "Hepatitis A dose 1" then Patient.birthDate + 18 months
  else null

/*
@dynamicValue: Hepatitis A dose 1 Overdue
@pseudocode: To be determined by Member States; however, there is no recommended overdue date and individuals are always eligible to be vaccinated.
*/
define "Hepatitis A dose 1 Overdue":
  null

/*
@dynamicValue: Hepatitis A dose 1 Expiration
@pseudocode: To be determined by Member States; however, there is no recommended expiration date and individuals are always eligible to be vaccinated.
*/
define "Hepatitis A dose 1 Expiration":
  null
  
/*
@complete: First hepatitis A dose from the primary series was administered. The primary series has been completed
@pseudocode: "Completed the primary vaccination series" = TRUE (where "Vaccine type" = "Hepatitis A-containing vaccines")
*/
define "First hepatitis A dose from the primary series was administered. The primary series has been completed":
  Encounter."One hepatitis A primary series dose was administered"

/*
@test: Test expected results based on example patients
*/
define "Test Validation":
  case
    when Patient.id = '30.1' then "Hepatitis A dose 1"
    when Patient.id = '31.012' then "Hepatitis A dose 1"
    when Patient.id = '32.012' then "Hepatitis A dose 1"
    when Patient.id = '33.0' then "First hepatitis A dose from the primary series was administered. The primary series has been completed"
    else 'No test case set'
  end
Content: application/elm+xml
Encoded data (36560 characters)