Title: IMMZD2DTTyphoidTCVLogic Id: IMMZD2DTTyphoidTCVLogic Version: 0.2.0 Url: IMMZD2DTTyphoidTCVLogic Status: draft Experimental: true Type: system: http://terminology.hl7.org/CodeSystem/library-type code: logic-library Date: 2025-06-25 20:08:00+0000 Publisher: WHO Description: This library defines decision support logic for the IMMZ.D2.DT.Typhoid.TCV decision table in the Immunization CPG Related Artifacts: Dependencies IMMZD2DTTyphoidEncounterElements Parameters: Name Type Min Max In/Out Today date 0 1 In Patient Patient 0 1 Out Client is not due for Typhoid vaccination boolean 0 1 Out Client is not due for Typhoid vaccination Guidance string 0 1 Out Client is due for Typhoid vaccination boolean 0 1 Out Client is due for Typhoid vaccination Guidance string 0 1 Out Clinical judgement is required. Create a clinical note boolean 0 1 Out Clinical judgement is required. Create a clinical note Guidance string 0 1 Out Typhoid immunization schedule is complete boolean 0 1 Out Typhoid immunization schedule is complete Guidance string 0 1 Out Guidance string 0 1 Out Has Guidance boolean 0 1 Out Test Validation Resource 0 1 Out Content: text/cql /* * Library: IMMZD2DTTyphoidTCVLogic (IMMZ.D2.DT.Typhoid.TCV) * Rule: Determine if the client is due for a typhoid vaccination according to the national immunization schedule * Decision Table: Typhoid conjugate vaccine (TCV) schedule * Trigger: IMMZ.D2 Determine required vaccination(s) if any */ library IMMZD2DTTyphoidTCVLogic using FHIR version '4.0.1' include FHIRHelpers version '4.0.1' include IMMZD2DTTyphoidEncounterElements called Encounter parameter Today Date default Today() context Patient /* @dynamicValue: Guidance */ define "Guidance": case when "Client is not due for Typhoid vaccination" then "Client is not due for Typhoid vaccination Guidance" when "Client is due for Typhoid vaccination" then "Client is due for Typhoid vaccination Guidance" when "Clinical judgement is required. Create a clinical note" then "Clinical judgement is required. Create a clinical note Guidance" when "Typhoid immunization schedule is complete" then "Typhoid immunization schedule is complete Guidance" else '' end define "Has Guidance": "Guidance" is not null and "Guidance" != '' /* @output: Client is not due for Typhoid vaccination @pseudocode: "Immunization recommendation status" = "Not due" */ define "Client is not due for Typhoid vaccination": Encounter."Client's age is less than 6 months" /* @output: Client is not due for Typhoid vaccination Guidance @guidance: Should not vaccinate client with typhoid dose as client's age is less than 6 months. Check for any vaccines due and inform the caregiver of when to come back for the first dose. */ define "Client is not due for Typhoid vaccination Guidance": 'Should not vaccinate client with typhoid dose as client\'s age is less than 6 months. Check for any vaccines due and inform the caregiver of when to come back for the first dose.' /* @output: Client is due for Typhoid vaccination @pseudocode: "Immunization recommendation status" = "Due" */ define "Client is due for Typhoid vaccination": Encounter."No typhoid primary series doses were administered" and Encounter."Client's age is between 6 months and 45 years" /* @output: Client is due for Typhoid vaccination Guidance @guidance: Should vaccinate client with typhoid dose as no typhoid doses were administered and client is within appropriate age range. Check for contraindications. */ define "Client is due for Typhoid vaccination Guidance": 'Should vaccinate client with typhoid dose as no typhoid doses were administered and client is within appropriate age range. Check for contraindications.' /* @output: Clinical judgement is required. Create a clinical note @pseudocode: "Immunization recommendation status" = "Further evaluation needed" */ define "Clinical judgement is required. Create a clinical note": Encounter."No typhoid primary series doses were administered" and Encounter."Client's age is more than or equal to 45 years" /* @output: Clinical judgement is required. Create a clinical note Guidance @guidance: Member States should update this action according to the national immunization programme. */ define "Clinical judgement is required. Create a clinical note Guidance": 'Member States should update this action according to the national immunization programme.' /* @output: Typhoid immunization schedule is complete @pseudocode: "Immunization recommendation status" = "Complete" */ define "Typhoid immunization schedule is complete": Encounter."One typhoid primary series dose was administered" /* @output: Typhoid immunization schedule is complete Guidance @guidance: Typhoid immunization schedule is complete. One typhoid primary series dose was administered. Check for any other vaccines due. */ define "Typhoid immunization schedule is complete Guidance": 'Typhoid immunization schedule is complete. One typhoid primary series dose was administered. Check for any other vaccines due.' /* @test: Test expected results based on example patients */ define "Test Validation": case when Patient.id = '08.2' then "Client is not due for Typhoid vaccination" and "Guidance" = 'Should not vaccinate client with typhoid dose as client\'s age is less than 6 months. Check for any vaccines due and inform the caregiver of when to come back for the first dose.' when Patient.id = '09.12' then "Client is due for Typhoid vaccination" and "Guidance" = 'Should vaccinate client with typhoid dose as no typhoid doses were administered and client is within appropriate age range. Check for contraindications.' when Patient.id = '10.12' then "Clinical judgement is required. Create a clinical note" and "Guidance" = 'Member States should update this action according to the national immunization programme.' when Patient.id = '11.1' then "Typhoid immunization schedule is complete" and "Guidance" = 'Typhoid immunization schedule is complete. One typhoid primary series dose was administered. Check for any other vaccines due.' else 'No test case set' end Content: application/elm+xml Encoded data (51156 characters)
This library defines decision support logic for the IMMZ.D2.DT.Typhoid.TCV decision table in the Immunization CPG
Client is not due for Typhoid vaccination
Client is not due for Typhoid vaccination Guidance
Client is due for Typhoid vaccination Guidance
Clinical judgement is required. Create a clinical note
Clinical judgement is required. Create a clinical note Guidance
Typhoid immunization schedule is complete
Typhoid immunization schedule is complete Guidance