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: IMMZD5DTMeaslesCILogic

Official URL: http://smart.who.int/immunizations/Library/IMMZD5DTMeaslesCILogic Version: 0.2.0
Draft as of 2025-09-17 Computable Name: IMMZD5DTMeaslesCILogic

This library defines decision support logic for the – decision table in the Immunization CPG

Title: IMMZD5DTMeaslesCILogic
Id: IMMZD5DTMeaslesCILogic
Version: 0.2.0
Url: IMMZD5DTMeaslesCILogic
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 – decision table in the Immunization CPG

Related Artifacts:

Dependencies

Parameters:
NameTypeMinMaxIn/Out
Todaydate01In
PatientPatient01Out
Draft Medication Request ID for MCV doseid01Out
Measles vaccination contraindicated Case 1boolean01Out
Measles vaccination contraindicated Case 2boolean01Out
Measles vaccination contraindicatedboolean01Out
Measles vaccination contraindicated Guidancestring01Out
Measles vaccination could be contraindicated. Clinical judgement required. Create a clinical noteboolean01Out
Measles vaccination could be contraindicated. Clinical judgement required. Create a clinical note Guidancestring01Out
Clinical judgement required. Create a clinical note Case 1boolean01Out
Clinical judgement required. Create a clinical note Case 2boolean01Out
Clinical judgement required. Create a clinical noteboolean01Out
Clinical judgement required. Create a clinical note Guidancestring01Out
Guidancestring01Out
Has Guidanceboolean01Out
Test ValidationResource01Out
Content: text/cql

/*
 * Library: IMMZD5DTMeaslesCILogic (IMMZ.D5.DT.Measles contraindications)
 * Rule: Check for contraindications before administering the vaccine(s) due
 * Decision Table: IMMZ.D5.DT.Measles contraindications
 * Trigger: IMMZ.D5 Determine vaccine(s) to be administered based on contraindications
 */
library IMMZD5DTMeaslesCILogic

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

include IMMZD5DTMeaslesEncounterElements called Encounter

parameter Today Date default Today()

context Patient

/*
@dynamicValue: Draft Medication Request ID for MCV dose
*/
define "Draft Medication Request ID for MCV dose":
	First(Encounter."Draft Medication Request for MCV dose").id

/*
@dynamicValue: Guidance
*/
define "Guidance":
  case
    when "Measles vaccination contraindicated" then "Measles vaccination contraindicated Guidance"
    when "Measles vaccination could be contraindicated. Clinical judgement required. Create a clinical note" then "Measles vaccination could be contraindicated. Clinical judgement required. Create a clinical note Guidance"
    when "Clinical judgement required. Create a clinical note" then "Clinical judgement required. Create a clinical note Guidance"
    else ''
  end

define "Has Guidance":
  "Guidance" is not null and "Guidance" != ''

/*
@output: Measles vaccination contraindicated Case 1
@pseudocode: "Immunization recommendation status" = "Contraindicated"
*/
define "Measles vaccination contraindicated Case 1":
  Encounter."The client is pregnant"

/*
@output: Measles vaccination contraindicated Case 2
@pseudocode: "Immunization recommendation status" = "Contraindicated"
*/
define "Measles vaccination contraindicated Case 2":
  Encounter."The client is severely immunosuppressed"

/*
@output: Measles vaccination contraindicated
@pseudocode: "Immunization recommendation status" = "Contraindicated"
*/
define "Measles vaccination contraindicated":
  "Measles vaccination contraindicated Case 1"
    or "Measles vaccination contraindicated Case 2"

/*
@output: Measles vaccination contraindicated Guidance
@guidance: Do not vaccinate client with measles as measles vaccination is contraindicated for pregnant client.
@guidance: Do not vaccinate client with measles as measles vaccination is contraindicated for severely immunosuppressed client.
*/
define "Measles vaccination contraindicated Guidance":
  case
    when "Measles vaccination contraindicated Case 1" then 'Do not vaccinate client with measles as measles vaccination is contraindicated for pregnant client.'
    when "Measles vaccination contraindicated Case 2" then 'Do not vaccinate client with measles as measles vaccination is contraindicated for severely immunosuppressed client.'
    else ''
  end

/*
@output: Measles vaccination could be contraindicated. Clinical judgement required. Create a clinical note
@pseudocode: "Immunization recommendation status" = "Further evaluation needed"
*/
define "Measles vaccination could be contraindicated. Clinical judgement required. Create a clinical note":
  Encounter."The client has history of anaphylactic reactions"

/*
@output: Measles vaccination could be contraindicated. Clinical judgement required. Create a clinical note Guidance
@guidance: Do not vaccinate client with measles if client has history of anaphylactic reaction to any component of the vaccine (e.g. neomycin or gelatin).
*/
define "Measles vaccination could be contraindicated. Clinical judgement required. Create a clinical note Guidance":
  'Do not vaccinate client with measles if client has history of anaphylactic reaction to any component of the vaccine (e.g. neomycin or gelatin).'

/*
@output: Clinical judgement required. Create a clinical note Case 1
@pseudocode: "Immunization recommendation status" = "Further evaluation needed"
*/
define "Clinical judgement required. Create a clinical note Case 1":
  Encounter."The client has history of severe allergic reactions"

/*
@output: Clinical judgement required. Create a clinical note Case 2
@pseudocode: "Immunization recommendation status" = "Further evaluation needed"
*/
define "Clinical judgement required. Create a clinical note Case 2":
  Encounter."The client has a symptomatic HIV infection"

/*
@output: Clinical judgement required. Create a clinical note
@pseudocode: "Immunization recommendation status" = "Further evaluation needed"
*/
define "Clinical judgement required. Create a clinical note":
  "Clinical judgement required. Create a clinical note Case 1"
    or "Clinical judgement required. Create a clinical note Case 2"

/*
@output: Clinical judgement required. Create a clinical note Guidance
@guidance: Do not vaccinate client with measles if client has history of severe allergic reactions to any component of the vaccine (e.g. neomycin or gelatin).
@guidance: Client has symptomatic HIV infection. Measles vaccination may be considered if the client is not severely immunosuppressed according to conventional definitions, consider risks of vaccination and make a clinical judgement.
*/
define "Clinical judgement required. Create a clinical note Guidance":
  case
    when "Clinical judgement required. Create a clinical note Case 1" then 'Do not vaccinate client with measles if client has history of severe allergic reactions to any component of the vaccine (e.g. neomycin or gelatin).'
    when "Clinical judgement required. Create a clinical note Case 2" then 'Client has symptomatic HIV infection. Measles vaccination may be considered if the client is not severely immunosuppressed according to conventional definitions, consider risks of vaccination and make a clinical judgement.'
    else ''
  end


/*
@test: Test expected results based on example patients
*/
define "Test Validation":
  case
    when Patient.id = '56.CI162' then "Measles vaccination contraindicated Case 1" and "Guidance" = 'Do not vaccinate client with measles as measles vaccination is contraindicated for pregnant client.'
    when Patient.id = '57.CI166' then "Measles vaccination could be contraindicated. Clinical judgement required. Create a clinical note" and "Guidance" = 'Do not vaccinate client with measles if client has history of anaphylactic reaction to any component of the vaccine (e.g. neomycin or gelatin).'
    when Patient.id = '58.CI167' then "Clinical judgement required. Create a clinical note Case 1" and "Guidance" = 'Do not vaccinate client with measles if client has history of severe allergic reactions to any component of the vaccine (e.g. neomycin or gelatin).'
    when Patient.id = '59.CI165' then "Measles vaccination contraindicated Case 2" and "Guidance" = 'Do not vaccinate client with measles as measles vaccination is contraindicated for severely immunosuppressed client.'
    when Patient.id = '60.CI168' then "Clinical judgement required. Create a clinical note Case 2" and "Guidance" = 'Client has symptomatic HIV infection. Measles vaccination may be considered if the client is not severely immunosuppressed according to conventional definitions, consider risks of vaccination and make a clinical judgement.'
    else 'No test case set'
  end
Content: application/elm+xml
Encoded data (66972 characters)