Id: IMMZD2DTMeningococcalPolysaccharideVaccines Url: IMMZ.D2.DT.Meningococcal.Polysaccharide vaccines Version: 0.2.0 Title: IMMZ.D2.DT.Meningococcal.Polysaccharide vaccines Status: draft Type: system: http://terminology.hl7.org/CodeSystem/plan-definition-type code: eca-rule Date: 2026-03-03 13:07:11+0000 Publisher: WHO Description: IMMZ.D2.DT.Meningococcal.Polysaccharide vaccines Polysaccharide vaccines schedule (Polysaccharide vaccines can be used to control outbreaks in countries where limited economic resources or insufficient supply restrict the use of meningococcal conjugate vaccines) Knowledge Capability: computable Related Artifacts: References WHO recommendations for routine immunization - summary tables (January 2025) Libraries: IMMZD2DTMeningococcalPolysaccharideVaccinesLogic Actions: Determine if the client is due for Meningococcal.: Determine if the client is due for Meningococcal vaccine according to the national immunization protocol. Polysaccharide vaccines schedule (Polysaccharide vaccines can be used to control outbreaks in countries where limited economic resources or insufficient supply restrict the use of meningococcal conjugate vaccines) If: Applicability: Client is due for meningococcal vaccination (Client is due for meningococcal vaccination) Then: Definition: IMMZD2DTMR Dynamic Values: status: ('draft') intent: ('proposal') medication: (Concept { codes: { Code { system: 'http://smart.who.int/immunizations/CodeSystem/IMMZ.Z', code: 'DE10', display: 'Meningococcal vaccines' } }, display: 'Meningococcal vaccines' }) Check for Guidance for the patient regarding IMMZ.D2.DT.Meningococcal.Polysaccharide vaccines.: Show Guidance for the patient regarding IMMZ.D2.DT.Meningococcal.Polysaccharide vaccines. If: Applicability: Has Guidance (Has Guidance) Then: Definition: IMMZ.D2.DT.CR Dynamic Values: status: ('active') payload.contentString: (Guidance) category.coding: (Code { system: 'http://terminology.hl7.org/CodeSystem/communication-category', code: 'alert' }) priority: (Code { system: 'http://hl7.org/fhir/request-priority', code: 'routine' })
/** * @dataElement Patient age in years */ define "Current Patient Age In Years": AgeInYearsAt(Today)
/* @input: Client's age is less than 2 years @pseudocode: Today's date − "Date of birth" < 2 years @code: Client's age is less than 2 years-40 @decision: IMMZ.D2.DT.Meningococcal.Quadrivalent conjugate vaccines 1 dose: Quadrivalent conjugate vaccines (A,C,W135,Y-CRM), 1-dose schedule @decision: IMMZ.D2.DT.Meningococcal.Polysaccharide vaccines: Polysaccharide vaccines schedule (Polysaccharide vaccines can be used to control outbreaks in countries where limited economic resources or insufficient supply restrict the use of meningococcal conjugate vaccines) */ define "Client's age is less than 2 years": Encounter."Current Patient Age In Years" < 2
Client is not due for meningococcal vaccination
/* @output: Client is not due for meningococcal vaccination @pseudocode: "Immunization recommendation status" = "Not due" */ define "Client is not due for meningococcal vaccination": Encounter."Client's age is less than 2 years"
Client is not due for meningococcal vaccination Guidance
/* @output: Client is not due for meningococcal vaccination Guidance @guidance: Should not vaccinate client with first meningococcal dose as client's age is less than 2 years. Check for any other vaccines due and inform the caregiver of when to come back for the first dose. */ define "Client is not due for meningococcal vaccination Guidance": 'Should not vaccinate client with first meningococcal dose as client\'s age is less than 2 years. Check for any other vaccines due and inform the caregiver of when to come back for the first dose.'
/** * @dataElement All Doses Administered to Patient */ define "Doses Administered to Patient": [Immunization] I where I.status = 'completed' and I.isSubpotent is not true
/** * @dataElement All Doses Administered to Patient */ define "Doses Administered to Patient": Elements."Doses Administered to Patient" I where I.occurrence.toInterval() same day or before Today
Meningococcal Doses Administered to Patient
/* @internal: Meningococcal containing Doses Administered to Patient */ define "Meningococcal Doses Administered to Patient": Encounter."Doses Administered to Patient" I where I.vaccineCode in Concepts."Meningococcal vaccines"
Meningococcal Primary Series Doses Administered to Patient
/* @internal: Meningococcal containing Doses Administered to Patient that are in the Primary series */ define "Meningococcal Primary Series Doses Administered to Patient": "Meningococcal Doses Administered to Patient".seriesPrimary()
Number of Meningococcal Primary Series Doses Administered
/* @internal: Number of Meningococcal Primary Series doses */ define "Number of Meningococcal Primary Series Doses Administered": Count("Meningococcal Primary Series Doses Administered to Patient")
No meningococcal primary series dose was administered
/* @input: No meningococcal primary series dose was administered @pseudocode: Count of vaccines administered (where "Vaccine type" = "Meningococcal vaccines" and "Type of dose" = "Primary series") = 0 @code: No meningococcal primary series dose was administered-122 @decision: IMMZ.D2.DT.Meningococcal.MenA conjugate vaccine 1 dose: MenA conjugate vaccine, 1-dose schedule @decision: IMMZ.D2.DT.Meningococcal.MenA conjugate vaccine 2 doses: MenA conjugate vaccine, 2-dose schedule (specific context where there is a compelling reason to vaccinate infants aged under 9 months) @decision: IMMZ.D2.DT.Meningococcal.Monovalent MenC conjugate vaccine: Monovalent MenC conjugate vaccine schedule @decision: IMMZ.D2.DT.Meningococcal.Quadrivalent conjugate vaccines 1 dose: Quadrivalent conjugate vaccines (A,C,W135,Y-CRM), 1-dose schedule @decision: IMMZ.D2.DT.Meningococcal.Quadrivalent conjugate vaccines 2 doses: Quadrivalent conjugate vaccines (A,C,W135,Y-D), 2-dose schedule @decision: IMMZ.D2.DT.Meningococcal.Polysaccharide vaccines: Polysaccharide vaccines schedule (Polysaccharide vaccines can be used to control outbreaks in countries where limited economic resources or insufficient supply restrict the use of meningococcal conjugate vaccines) */ define "No meningococcal primary series dose was administered": "Number of Meningococcal Primary Series Doses Administered" = 0
Client's age is more than or equal to 2 years
/* @input: Client's age is more than or equal to 2 years @pseudocode: Today's date − "Date of birth" ≥ 2 years @code: Client's age is more than or equal to 2 years-40 @decision: IMMZ.D2.DT.Meningococcal.Quadrivalent conjugate vaccines 1 dose: Quadrivalent conjugate vaccines (A,C,W135,Y-CRM), 1-dose schedule */ define "Client's age is more than or equal to 2 years": Encounter."Current Patient Age In Years" >= 2
/* @input: Client's age is more than 2 years @pseudocode: Today's date − "Date of birth" ≥ 2 years @code: Client's age is more than 2 years-40 @decision: IMMZ.D2.DT.Meningococcal.Polysaccharide vaccines: Polysaccharide vaccines schedule (Polysaccharide vaccines can be used to control outbreaks in countries where limited economic resources or insufficient supply restrict the use of meningococcal conjugate vaccines) */ define "Client's age is more than 2 years": "Client's age is more than or equal to 2 years"
Client is due for meningococcal vaccination
/* @output: Client is due for meningococcal vaccination @pseudocode: "Immunization recommendation status" = "Due" */ define "Client is due for meningococcal vaccination": Encounter."No meningococcal primary series dose was administered" and Encounter."Client's age is more than 2 years"
Client is due for meningococcal vaccination Guidance
/* @output: Client is due for meningococcal vaccination Guidance @guidance: Should vaccinate client with first meningococcal dose as no meningococcal doses were administered and client is within appropriate age range. Check for contraindications. */ define "Client is due for meningococcal vaccination Guidance": 'Should vaccinate client with first meningococcal dose as no meningococcal doses were administered and client is within appropriate age range. Check for contraindications.'
One meningococcal primary series dose was administered
/* @input: One meningococcal primary series dose was administered @pseudocode: Count of vaccines administered (where "Vaccine type" = "Meningococcal vaccines" and "Type of dose" = "Primary series") = 1 @code: One meningococcal primary series dose was administered-122 @decision: IMMZ.D2.DT.Meningococcal.MenA conjugate vaccine 1 dose: MenA conjugate vaccine, 1-dose schedule @decision: IMMZ.D2.DT.Meningococcal.MenA conjugate vaccine 2 doses: MenA conjugate vaccine, 2-dose schedule (specific context where there is a compelling reason to vaccinate infants aged under 9 months) @decision: IMMZ.D2.DT.Meningococcal.Monovalent MenC conjugate vaccine: Monovalent MenC conjugate vaccine schedule @decision: IMMZ.D2.DT.Meningococcal.Quadrivalent conjugate vaccines 1 dose: Quadrivalent conjugate vaccines (A,C,W135,Y-CRM), 1-dose schedule @decision: IMMZ.D2.DT.Meningococcal.Quadrivalent conjugate vaccines 2 doses: Quadrivalent conjugate vaccines (A,C,W135,Y-D), 2-dose schedule @decision: IMMZ.D2.DT.Meningococcal.Polysaccharide vaccines: Polysaccharide vaccines schedule (Polysaccharide vaccines can be used to control outbreaks in countries where limited economic resources or insufficient supply restrict the use of meningococcal conjugate vaccines) */ define "One meningococcal primary series dose was administered": "Number of Meningococcal Primary Series Doses Administered" = 1
Date of Latest Primary Meningococcal Dose
/* @internal: Date of Latest Primary Meningococcal Dose */ define "Date of Latest Primary Meningococcal Dose": date from start of "Meningococcal Primary Series Doses Administered to Patient".mostRecent().occurrence.toInterval()
The latest meningococcal dose was administered less than 3 years ago
/* @input: The latest meningococcal dose was administered less than 3 years ago @pseudocode: Today's date − "Date and time of vaccination" (where "Vaccine type" = "Meningococcal vaccines") < 3 years @code: The latest meningococcal dose was administered less than 3 years ago-105 @decision: IMMZ.D2.DT.Meningococcal.Polysaccharide vaccines: Polysaccharide vaccines schedule (Polysaccharide vaccines can be used to control outbreaks in countries where limited economic resources or insufficient supply restrict the use of meningococcal conjugate vaccines) */ define "The latest meningococcal dose was administered less than 3 years ago": "Date of Latest Primary Meningococcal Dose" is not null and duration in years between "Date of Latest Primary Meningococcal Dose" and Today < 3
The primary series is complete. Client is not due for meningococcal booster dose.
/* @output: The primary series is complete. Client is not due for meningococcal booster dose. @pseudocode: "Immunization recommendation status" = "Not due" "Completed the primary vaccination series" (where "Vaccine type" = "Meningococcal vaccines") = TRUE */ define "The primary series is complete. Client is not due for meningococcal booster dose.": Encounter."One meningococcal primary series dose was administered" and Encounter."The latest meningococcal dose was administered less than 3 years ago"
The primary series is complete. Client is not due for meningococcal booster dose. Guidance
/* @output: The primary series is complete. Client is not due for meningococcal booster dose. Guidance @guidance: Should not vaccinate client with meningococcal booster dose as the latest meningococcal dose was administered less than 3 years ago. Check for any other vaccines due and inform the caregiver of when to come back for the booster dose. */ define "The primary series is complete. Client is not due for meningococcal booster dose. Guidance": 'Should not vaccinate client with meningococcal booster dose as the latest meningococcal dose was administered less than 3 years ago. Check for any other vaccines due and inform the caregiver of when to come back for the booster dose.'
The latest meningococcal dose was administered more than 3 years ago
/* @input: The latest meningococcal dose was administered more than 3 years ago @pseudocode: Today's date − "Date and time of vaccination" (where "Vaccine type" = "Meningococcal vaccines") ≥ 3 years @code: The latest meningococcal dose was administered more than 3 years ago-105 @decision: IMMZ.D2.DT.Meningococcal.Polysaccharide vaccines: Polysaccharide vaccines schedule (Polysaccharide vaccines can be used to control outbreaks in countries where limited economic resources or insufficient supply restrict the use of meningococcal conjugate vaccines) */ define "The latest meningococcal dose was administered more than 3 years ago": not "The latest meningococcal dose was administered less than 3 years ago"
Meningococcal Booster Series Doses Administered to Patient
/* @internal: Meningococcal Booster Series Doses Administered to Patient */ define "Meningococcal Booster Series Doses Administered to Patient": "Meningococcal Doses Administered to Patient".seriesBooster()
Number of Meningococcal Booster Series Doses Administered
/* @internal: Number of Meningococcal Booster Series Doses Administered */ define "Number of Meningococcal Booster Series Doses Administered": Count("Meningococcal Booster Series Doses Administered to Patient")
No meningococcal booster dose was administered
/* @input: No meningococcal booster dose was administered @pseudocode: Count of vaccines administered (where "Vaccine type" = "Meningococcal vaccines" and "Type of dose" = "Booster dose") = 0 @code: No meningococcal booster dose was administered-120 @decision: IMMZ.D2.DT.Meningococcal.Monovalent MenC conjugate vaccine: Monovalent MenC conjugate vaccine schedule @decision: IMMZ.D2.DT.Meningococcal.Polysaccharide vaccines: Polysaccharide vaccines schedule (Polysaccharide vaccines can be used to control outbreaks in countries where limited economic resources or insufficient supply restrict the use of meningococcal conjugate vaccines) */ define "No meningococcal booster dose was administered": "Number of Meningococcal Booster Series Doses Administered" = 0
The primary series is complete. Clinical judgement is required for meningococcal booster dose. Create a clinical note
/* @output: The primary series is complete. Clinical judgement is required for meningococcal booster dose. Create a clinical note @pseudocode: "Immunization recommendation status" = "Further evaluation needed" "Completed the primary vaccination series" (where "Vaccine type" = "Meningococcal vaccines") = TRUE */ define "The primary series is complete. Clinical judgement is required for meningococcal booster dose. Create a clinical note": Encounter."One meningococcal primary series dose was administered" and Encounter."The latest meningococcal dose was administered more than 3 years ago" and Encounter."No meningococcal booster dose was administered"
The primary series is complete. Clinical judgement is required for meningococcal booster dose. Create a clinical note Guidance
/* @output: The primary series is complete. Clinical judgement is required for meningococcal booster dose. Create a clinical note Guidance @guidance: May administer meningococcal booster dose if the client is considered to be at continued high risk of exposure. Evaluate the client and use clinical judgement. */ define "The primary series is complete. Clinical judgement is required for meningococcal booster dose. Create a clinical note Guidance": 'May administer meningococcal booster dose if the client is considered to be at continued high risk of exposure. Evaluate the client and use clinical judgement.'
Meningococcal booster dose was administered
/* @input: Meningococcal booster dose was administered @pseudocode: Count of vaccines administered (where "Vaccine type" = "Meningococcal vaccines" and "Type of dose" = "Booster dose") = 1 @code: Meningococcal booster dose was administered-120 @decision: IMMZ.D2.DT.Meningococcal.Monovalent MenC conjugate vaccine: Monovalent MenC conjugate vaccine schedule @decision: IMMZ.D2.DT.Meningococcal.Polysaccharide vaccines: Polysaccharide vaccines schedule (Polysaccharide vaccines can be used to control outbreaks in countries where limited economic resources or insufficient supply restrict the use of meningococcal conjugate vaccines) */ define "Meningococcal booster dose was administered": "Number of Meningococcal Booster Series Doses Administered" = 1
Meningococcal immunization schedule is complete
/* @output: Meningococcal immunization schedule is complete @pseudocode: "Immunization recommendation status" = "Complete" */ define "Meningococcal immunization schedule is complete": Encounter."One meningococcal primary series dose was administered" and Encounter."The latest meningococcal dose was administered more than 3 years ago" and Encounter."Meningococcal booster dose was administered"
Meningococcal immunization schedule is complete Guidance
/* @output: Meningococcal immunization schedule is complete Guidance @guidance: Meningococcal immunization schedule is complete. One primary series dose and one booster dose have been administered. Check for any other vaccines due. */ define "Meningococcal immunization schedule is complete Guidance": 'Meningococcal immunization schedule is complete. One primary series dose and one booster dose have been administered. Check for any other vaccines due.'
/* @dynamicValue: Guidance */ define "Guidance": case when "Client is not due for meningococcal vaccination" then "Client is not due for meningococcal vaccination Guidance" when "Client is due for meningococcal vaccination" then "Client is due for meningococcal vaccination Guidance" when "The primary series is complete. Client is not due for meningococcal booster dose." then "The primary series is complete. Client is not due for meningococcal booster dose. Guidance" when "The primary series is complete. Clinical judgement is required for meningococcal booster dose. Create a clinical note" then "The primary series is complete. Clinical judgement is required for meningococcal booster dose. Create a clinical note Guidance" when "Meningococcal immunization schedule is complete" then "Meningococcal immunization schedule is complete Guidance" else '' end
define "Has Guidance": "Guidance" is not null and "Guidance" != ''
/** * @description: Gets the doses from the primary series */ define fluent function seriesPrimary(immunizations List<Immunization>): immunizations I where exists( I.protocolApplied pa where pa.series = 'Primary series' )
define function ToString(value string): value.value
define function ToString(value ImmunizationStatus): value.value
define function ToBoolean(value boolean): value.value
define function ToConcept(concept FHIR.CodeableConcept): if concept is null then null else System.Concept { codes: concept.coding C return ToCode(C), display: concept.text.value }
define function ToCode(coding FHIR.Coding): if coding is null then null else System.Code { code: coding.code.value, system: coding.system.value, version: coding.version.value, display: coding.display.value }
define fluent function mostRecent(immunizations List<Immunization>): Last( immunizations I sort by start of occurrence.toInterval() )
/** * @description: Gets the doses from the Booster series */ define fluent function seriesBooster(immunizations List<Immunization>): immunizations I where exists( I.protocolApplied pa where pa.series = 'Booster dose' )
IMMZ.D2.DT.Meningococcal.Polysaccharide vaccines
IMMZ.D2.DT.Meningococcal.Polysaccharide vaccines Polysaccharide vaccines schedule (Polysaccharide vaccines can be used to control outbreaks in countries where limited economic resources or insufficient supply restrict the use of meningococcal conjugate vaccines)
WHO recommendations for routine immunization - summary tables (January 2025)
Polysaccharide vaccines should be administered to individuals aged ≥ 2 years as one single dose. One booster 3–5 years after the primary dose may be given to persons considered to be a continued high risk of exposure, including some health workers.
Determine if the client is due for Meningococcal.
Determine if the client is due for Meningococcal vaccine according to the national immunization protocol. Polysaccharide vaccines schedule (Polysaccharide vaccines can be used to control outbreaks in countries where limited economic resources or insufficient supply restrict the use of meningococcal conjugate vaccines)
Concept { codes: { Code { system: 'http://smart.who.int/immunizations/CodeSystem/IMMZ.Z', code: 'DE10', display: 'Meningococcal vaccines' } }, display: 'Meningococcal vaccines' }
Check for Guidance for the patient regarding IMMZ.D2.DT.Meningococcal.Polysaccharide vaccines.
Show Guidance for the patient regarding IMMZ.D2.DT.Meningococcal.Polysaccharide vaccines.
Code { system: 'http://terminology.hl7.org/CodeSystem/communication-category', code: 'alert' }
Code { system: 'http://hl7.org/fhir/request-priority', code: 'routine' }