Id: IMMZD18SMeningococcalMonovalentMenCConjugateVaccine Url: IMMZ.D18.S.Meningococcal.Monovalent MenC conjugate vaccine schedule Version: 0.2.0 Title: IMMZ.D18.S.Meningococcal.Monovalent MenC conjugate vaccine schedule Status: draft Type: system: http://terminology.hl7.org/CodeSystem/plan-definition-type code: eca-rule Date: 2026-03-29 17:23:09+0000 Publisher: WHO Description: IMMZ.D18.S.Meningococcal.Monovalent MenC conjugate vaccine schedule Monovalent MenC conjugate schedule Knowledge Capability: computable Related Artifacts: References WHO recommendations for routine immunization - summary tables (January 2025) Libraries: IMMZD18SMeningococcalMonovalentMenCConjugateVaccineLogic Actions: Meningococcal dose 1: Provision of the meningococcal dose 1 Trigger event: Child's birth Trigger pseudo: Trigger date: "Date of birth" Create condition: For monovalent MenC conjugate vaccine, one single intramuscular dose is recommended for children aged ≥ 12 months, teenagers and adults. Children aged 2–11 months require 2 doses administered. If: Applicability: Meningococcal dose 1 (Meningococcal dose 1) Then: Definition: IMMZ.D2.DT.CR Dynamic Values: status: ('active') payload.contentString: (Meningococcal dose 1 Create) category.coding: (Code { system: 'http://terminology.hl7.org/CodeSystem/communication-category', code: 'alert' }) priority: (Code { system: 'http://hl7.org/fhir/request-priority', code: 'routine' }) Meningococcal dose 2: Provision of the meningococcal dose 2 for clients that start the series when aged ≤ 11 months Trigger event: First meningococcal dose from the primary series was administered and client started the series when client's age was less than or equal to 11 months Trigger pseudo: Count of vaccines administered (where "Vaccine type" = "Meningococcal vaccines" and "Type of dose" = "Primary series") = 1 and "Date and time of vaccination" (where "Vaccine type" = "Meningococcal vaccines") - "Date of birth" ≤ 11 months Trigger date: "Date and time of vaccination" (where "Vaccine type" = "Meningococcal vaccines") Create condition: Children 2–11 months require 2 doses administered at an interval of at least 2 months and a booster about 1 year after. If: Applicability: Meningococcal dose 2 (Meningococcal dose 2) Then: Definition: IMMZ.D2.DT.CR Dynamic Values: status: ('active') payload.contentString: (Meningococcal dose 2 Create) category.coding: (Code { system: 'http://terminology.hl7.org/CodeSystem/communication-category', code: 'alert' }) priority: (Code { system: 'http://hl7.org/fhir/request-priority', code: 'routine' }) Meningococcal booster dose: Provision of the meningococcal booster dose for clients that start the series when aged ≤ 11 months Trigger event: The primary series has been completed and client started the series when client's age was less than or equal to 11 months Trigger pseudo: "Completed the primary vaccination series" (where "Vaccine type" = "Meningococcal vaccines") = TRUE and "Date and time of vaccination" (where "Vaccine type" = "Meningococcal vaccines" and "Dose number" = 1) - "Date of birth" ≤ 11 months Trigger date: Latest "Date and time of vaccination" (where "Vaccine type" = "Meningococcal vaccines") Create condition: Children 2–11 months require 2 doses administered at an interval of at least 2 months and a booster about 1 year after. If: Applicability: Meningococcal booster dose (Meningococcal booster dose) Then: Definition: IMMZ.D2.DT.CR Dynamic Values: status: ('active') payload.contentString: (Meningococcal booster dose Create) 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 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")
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
First meningococcal dose from the primary series was administered
/* @complete: First meningococcal dose from the primary series was administered @pseudocode: Count of vaccines administered (where "Vaccine type" = "Meningococcal vaccines" and "Type of dose" = "Primary series") = 1 The primary series has been completed for clients that started the series when client's age was more than 11 months "Completed the primary vaccination series" (where "Vaccine type" = "Meningococcal vaccines") = TRUE */ define "First meningococcal dose from the primary series was administered": Encounter."One meningococcal primary series dose was administered"
Date of First Primary Series Meningococcal Dose
/* @internal: Date of First Primary Series Meningococcal Dose */ define "Date of First Primary Series Meningococcal Dose": date from start of "Meningococcal Primary Series Doses Administered to Patient".earliest().occurrence.toInterval()
Client's age was less than or equal to 11 months when the primary series was started
/* @input: Client's age was less than or equal to 11 months when the primary series was started @pseudocode: "Date and time of vaccination" (where "Vaccine type" = "Meningococcal vaccines") - "Date of birth" ≤ 11 months @code: Client's age was less than or equal to 11 months when the primary series was started-110 @decision: IMMZ.D2.DT.Meningococcal.Monovalent MenC conjugate vaccine: Monovalent MenC conjugate vaccine schedule */ define "Client's age was less than or equal to 11 months when the primary series was started": AgeInMonthsAt("Date of First Primary Series Meningococcal Dose") <= 11
Two meningococcal primary series doses were administered
/* @input: Two meningococcal primary series doses were administered @pseudocode: Count of vaccines administered (where "Vaccine type" = "Meningococcal vaccines" and "Type of dose" = "Primary series") = 2 @code: Two meningococcal primary series doses were administered-122 @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 2 doses: Quadrivalent conjugate vaccines (A,C,W135,Y-D), 2-dose schedule */ define "Two meningococcal primary series doses were administered": "Number of Meningococcal Primary Series Doses Administered" = 2
Second meningococcal dose from the primary series was administered. The primary series has been completed for clients that started the series when client's age was less than or equal to 11 months
/* @complete: Second meningococcal dose from the primary series was administered. The primary series has been completed for clients that started the series when client's age was less than or equal to 11 months @pseudocode: "Completed the primary vaccination series" (where "Vaccine type" = "Meningococcal vaccines") = TRUE */ define "Second meningococcal dose from the primary series was administered. The primary series has been completed for clients that started the series when client's age was less than or equal to 11 months": Encounter."Two meningococcal primary series doses were administered"
/* @output: Meningococcal dose 2 @description: Provision of the meningococcal dose 2 for clients that start the series when aged ≤ 11 months @trigger: First meningococcal dose from the primary series was administered and client started the series when client's age was less than or equal to 11 months @pseudo: Count of vaccines administered (where "Vaccine type" = "Meningococcal vaccines" and "Type of dose" = "Primary series") = 1 and "Date and time of vaccination" (where "Vaccine type" = "Meningococcal vaccines") - "Date of birth" ≤ 11 months @triggerDate: "Date and time of vaccination" (where "Vaccine type" = "Meningococcal vaccines") */ define "Meningococcal dose 2": "First meningococcal dose from the primary series was administered" and Encounter."Client's age was less than or equal to 11 months when the primary series was started" and not "Second meningococcal dose from the primary series was administered. The primary series has been completed for clients that started the series when client's age was less than or equal to 11 months"
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
/* @output: Meningococcal dose 1 @description: Provision of the meningococcal dose 1 @trigger: Child's birth @pseudo: @triggerDate: "Date of birth" */ define "Meningococcal dose 1": Encounter."No meningococcal primary series dose was administered" and not "First meningococcal dose from the primary series was administered"
/* @dynamicValue: Meningococcal dose 1 Due Date @pseudocode: "Date of birth" + 2 months */ define "Meningococcal dose 1 Due Date": if "Meningococcal dose 1" then Patient.birthDate + 2 months else null
/* @output: Meningococcal dose 1 Create @create: For monovalent MenC conjugate vaccine, one single intramuscular dose is recommended for children aged ≥ 12 months, teenagers and adults. Children aged 2–11 months require 2 doses administered. */ define "Meningococcal dose 1 Create": if "Meningococcal dose 1" then 'For monovalent MenC conjugate vaccine, one single intramuscular dose is recommended for children aged ≥ 12 months, teenagers and adults. Children aged 2–11 months require 2 doses administered.' + ' Due Date: ' + ToString("Meningococcal dose 1 Due Date") else ''
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")
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 booster dose was administered for the client that started the series when client's age was less than or equal to 11 months. Immunization schedule has been completed
/* @complete: Meningococcal booster dose was administered for the client that started the series when client's age was less than or equal to 11 months. Immunization schedule has been completed @pseudocode: Count of vaccines administered (where "Vaccine type" = "Meningococcal vaccines" AND "Type of dose" = "Booster dose") = 1 */ define "Meningococcal booster dose was administered for the client that started the series when client's age was less than or equal to 11 months. Immunization schedule has been completed": Encounter."Meningococcal booster dose was administered"
/* @output: Meningococcal booster dose @description: Provision of the meningococcal booster dose for clients that start the series when aged ≤ 11 months @trigger: The primary series has been completed and client started the series when client's age was less than or equal to 11 months @pseudo: "Completed the primary vaccination series" (where "Vaccine type" = "Meningococcal vaccines") = TRUE and "Date and time of vaccination" (where "Vaccine type" = "Meningococcal vaccines" and "Dose number" = 1) - "Date of birth" ≤ 11 months @triggerDate: Latest "Date and time of vaccination" (where "Vaccine type" = "Meningococcal vaccines") */ define "Meningococcal booster dose": "Second meningococcal dose from the primary series was administered. The primary series has been completed for clients that started the series when client's age was less than or equal to 11 months" and not "Meningococcal booster dose was administered for the client that started the series when client's age was less than or equal to 11 months. Immunization schedule has been completed"
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()
/* @dynamicValue: Meningococcal booster dose Due Date @pseudocode: Latest "Date and time of vaccination" (where "Vaccine type" = "Meningococcal vaccines") + 1 year */ define "Meningococcal booster dose Due Date": if "Meningococcal booster dose" then Encounter."Date of Latest Primary Meningococcal Dose" + 1 year else null
/* @output: Meningococcal booster dose Create @create: Children 2–11 months require 2 doses administered at an interval of at least 2 months and a booster about 1 year after. */ define "Meningococcal booster dose Create": if "Meningococcal booster dose" then 'Children 2–11 months require 2 doses administered at an interval of at least 2 months and a booster about 1 year after.' + ' Due Date: ' + ToString("Meningococcal booster dose Due Date") else ''
/* @dynamicValue: Meningococcal dose 2 Due Date @pseudocode: "Date and time of vaccination" (where "Vaccine type" = "Meningococcal vaccines") + 2 months */ define "Meningococcal dose 2 Due Date": if "Meningococcal dose 2" then Encounter."Date of Latest Primary Meningococcal Dose" + 2 months else null
/* @output: Meningococcal dose 2 Create @create: Children 2–11 months require 2 doses administered at an interval of at least 2 months and a booster about 1 year after. */ define "Meningococcal dose 2 Create": if "Meningococcal dose 2" then 'Children 2–11 months require 2 doses administered at an interval of at least 2 months and a booster about 1 year after.' + ' Due Date: ' + ToString("Meningococcal dose 2 Due Date") else ''
/** * @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 earliest(immunizations List<Immunization>): First( immunizations I sort by start of occurrence.toInterval() )
define function ToDate(value date): value.value
/** * @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' )
define fluent function mostRecent(immunizations List<Immunization>): Last( immunizations I sort by start of occurrence.toInterval() )
IMMZ.D18.S.Meningococcal.Monovalent MenC conjugate vaccine schedule
IMMZ.D18.S.Meningococcal.Monovalent MenC conjugate vaccine schedule Monovalent MenC conjugate schedule
WHO recommendations for routine immunization - summary tables (January 2025)
Provision of the meningococcal dose 1 Trigger event: Child's birth Trigger pseudo: Trigger date: "Date of birth" Create condition: For monovalent MenC conjugate vaccine, one single intramuscular dose is recommended for children aged ≥ 12 months, teenagers and adults. Children aged 2–11 months require 2 doses administered.
Code { system: 'http://terminology.hl7.org/CodeSystem/communication-category', code: 'alert' }
Code { system: 'http://hl7.org/fhir/request-priority', code: 'routine' }
Provision of the meningococcal dose 2 for clients that start the series when aged ≤ 11 months Trigger event: First meningococcal dose from the primary series was administered and client started the series when client's age was less than or equal to 11 months Trigger pseudo: Count of vaccines administered (where "Vaccine type" = "Meningococcal vaccines" and "Type of dose" = "Primary series") = 1 and "Date and time of vaccination" (where "Vaccine type" = "Meningococcal vaccines") - "Date of birth" ≤ 11 months Trigger date: "Date and time of vaccination" (where "Vaccine type" = "Meningococcal vaccines") Create condition: Children 2–11 months require 2 doses administered at an interval of at least 2 months and a booster about 1 year after.
Provision of the meningococcal booster dose for clients that start the series when aged ≤ 11 months Trigger event: The primary series has been completed and client started the series when client's age was less than or equal to 11 months Trigger pseudo: "Completed the primary vaccination series" (where "Vaccine type" = "Meningococcal vaccines") = TRUE and "Date and time of vaccination" (where "Vaccine type" = "Meningococcal vaccines" and "Dose number" = 1) - "Date of birth" ≤ 11 months Trigger date: Latest "Date and time of vaccination" (where "Vaccine type" = "Meningococcal vaccines") Create condition: Children 2–11 months require 2 doses administered at an interval of at least 2 months and a booster about 1 year after.