Title: IMMZD18SVaricella2DoseLogic Id: IMMZD18SVaricella2DoseLogic Version: 0.2.0 Url: IMMZD18SVaricella2DoseLogic 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.D18.S.Varicella.2-dose schedule table in the Immunization CPG Related Artifacts: Dependencies WHOCommon IMMZCommon IMMZConcepts IMMZEncounterElements IMMZD2DTVaricellaEncounterElements Parameters: Name Type Min Max In/Out Today date 0 1 In Patient Patient 0 1 Out First varicella dose from the primary series was administered boolean 0 1 Out Varicella dose 1 boolean 0 1 Out Varicella dose 1 Due Date date 0 1 Out Varicella dose 1 Overdue date 0 1 Out Varicella dose 1 Create string 0 1 Out Varicella dose 1 Expiration Resource 0 1 Out Second varicella dose from the primary series was administered. The primary series has been completed boolean 0 1 Out Varicella dose 2 boolean 0 1 Out Varicella dose 2 Due Date date 0 1 Out Varicella dose 2 Create string 0 1 Out Varicella dose 2 Overdue Resource 0 1 Out Varicella dose 2 Expiration Resource 0 1 Out Test Validation Resource 0 1 Out Content: text/cql /* * Library: IMMZD18SVaricella2DoseLogic (IMMZ.D18.S.Varicella.2-dose schedule) * Schedule Table: 2-dose schedule */ library IMMZD18SVaricella2DoseLogic 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 IMMZD2DTVaricellaEncounterElements called Encounter parameter Today Date default Today() context Patient /* @output: Varicella dose 1 @description: Provision of the varicella dose 1 @trigger: Child's birth @triggerDate: "Date of birth" */ define "Varicella dose 1": Encounter."No varicella primary series doses were administered" and not "First varicella dose from the primary series was administered" /* @output: Varicella dose 1 Create @create: Depending on the goal of the vaccination programme, 1–2 doses should be given with the first dose administered at 12–18 months of age. */ define "Varicella dose 1 Create": if "Varicella dose 1" then 'Depending on the goal of the vaccination programme, 1–2 doses should be given with the first dose administered at 12–18 months of age.' + ' Due Date: ' + ToString("Varicella dose 1 Due Date") + ' Overdue: ' + ToString("Varicella dose 1 Overdue") else '' /* @dynamicValue: Varicella dose 1 Due Date @pseudocode: "Date of birth" + 12 months */ define "Varicella dose 1 Due Date": if "Varicella dose 1" then Patient.birthDate + 12 months else null /* @dynamicValue: Varicella dose 1 Overdue @pseudocode: "Date of birth" + 18 months */ define "Varicella dose 1 Overdue": if "Varicella dose 1" then Patient.birthDate + 18 months else null /* @dynamicValue: Varicella 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 "Varicella dose 1 Expiration": null /* @complete: First varicella dose from the primary series was administered @pseudocode: Count of vaccines administered (where "Vaccine type" = "Varicella-containing vaccines" and "Type of dose" = "Primary series") =1 */ define "First varicella dose from the primary series was administered": Encounter."One varicella primary series dose was administered" /* @output: Varicella dose 2 @description: Provision of the varicella dose 2 @trigger: First varicella dose from the primary series was administered Count of vaccines administered (where "Vaccine type" = "Varicella-containing vaccines" and "Type of dose" = "Primary series") =1 @triggerDate: "Date and time of vaccination" (where "Vaccine type" = "Varicella-containing vaccines") */ define "Varicella dose 2": "First varicella dose from the primary series was administered" and not "Second varicella dose from the primary series was administered. The primary series has been completed" /* @output: Varicella dose 2 Create @create: The minimum interval between doses should be as recommended by the manufacturer, ranging from 4 weeks to 3 months. */ define "Varicella dose 2 Create": if "Varicella dose 2" then 'The minimum interval between doses should be as recommended by the manufacturer, ranging from 4 weeks to 3 months.' + ' Due Date: ' + ToString("Varicella dose 2 Due Date") else '' /* @dynamicValue: Varicella dose 2 Due Date @pseudocode: "Date and time of vaccination" (where "Vaccine type" = "Varicella-containing vaccines") + 4 weeks */ define "Varicella dose 2 Due Date": if "Varicella dose 2" then Encounter."Date of Latest Varicella Dose" + 4 weeks else null /* @dynamicValue: Varicella dose 2 Overdue @pseudocode: To be determined by Member States; however, there is no recommended overdue date and individuals are always eligible to be vaccinated. */ define "Varicella dose 2 Overdue": null /* @dynamicValue: Varicella dose 2 Expiration @pseudocode: To be determined by Member States; however, there is no recommended expiration date and individuals are always eligible to be vaccinated. */ define "Varicella dose 2 Expiration": null /* @complete: Second varicella dose from the primary series was administered. The primary series has been completed @pseudocode: "Completed the primary vaccination series" = TRUE (where "Vaccine type" = "Varicella-containing vaccines")" */ define "Second varicella dose from the primary series was administered. The primary series has been completed": Encounter."Two varicella primary series doses were administered" /* @test: Test expected results based on example patients */ define "Test Validation": case when Patient.id = '21.2' then "Varicella dose 1" when Patient.id = '22.124' then "Varicella dose 1" when Patient.id = '23.124' then "Varicella dose 1" when Patient.id = '24.13' then "Varicella dose 2" when Patient.id = '25.134' then "Varicella dose 2" when Patient.id = '26.134' then "Varicella dose 2" when Patient.id = '27.1' then "Second varicella 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 (64644 characters)
This library defines decision support logic for the IMMZ.D18.S.Varicella.2-dose schedule table in the Immunization CPG
First varicella dose from the primary series was administered
Second varicella dose from the primary series was administered. The primary series has been completed