> ## Documentation Index > Fetch the complete documentation index at: https://docs.metriport.com/llms.txt > Use this file to discover all available pages before exploring further. # ImmunizationRecommendation > A patient's point-in-time set of recommendations (i.e. forecasting) according to a published schedule with optional supporting justification. ## Properties | Name | Required | Type | Description | | ------------------------------ | -------- | ------------------------------------------------------------------------------------------------------------------------------------------------------ | -------------------------------------------------------------- | | identifier | No | [Identifier](/medical-api/fhir/data-types/identifier)\[] | Business identifier | | patient | Yes | Reference\<[Patient](/medical-api/fhir/resources/patient)> | Who this profile is for | | date | Yes | dateTime | Date recommendation(s) created | | authority | No | Reference\<[Organization](/medical-api/fhir/resources/organization)> | Who is responsible for protocol | | recommendation | Yes | ImmunizationRecommendationRecommendation | Vaccine administration recommendations | | - id | No | string | Unique id for inter-element referencing | | - extension | No | [Extension](/medical-api/fhir/data-types/extension)\[] | Additional content defined by implementations | | - modifierExtension | No | [Extension](/medical-api/fhir/data-types/extension)\[] | Extensions that cannot be ignored even if unrecognized | | - vaccineCode | No | [CodeableConcept](/medical-api/fhir/data-types/codeableconcept)\[] | Vaccine or vaccine group recommendation applies to | | - targetDisease | No | [CodeableConcept](/medical-api/fhir/data-types/codeableconcept) | Disease to be immunized against | | - contraindicatedVaccineCode | No | [CodeableConcept](/medical-api/fhir/data-types/codeableconcept)\[] | Vaccine which is contraindicated to fulfill the recommendation | | - forecastStatus | Yes | [CodeableConcept](/medical-api/fhir/data-types/codeableconcept) | Vaccine recommendation status | | - forecastReason | No | [CodeableConcept](/medical-api/fhir/data-types/codeableconcept)\[] | Vaccine administration status reason | | - dateCriterion | No | ImmunizationRecommendationRecommendationDateCriterion | Dates governing proposed immunization | | - id | No | string | Unique id for inter-element referencing | | - extension | No | [Extension](/medical-api/fhir/data-types/extension)\[] | Additional content defined by implementations | | - modifierExtension | No | [Extension](/medical-api/fhir/data-types/extension)\[] | Extensions that cannot be ignored even if unrecognized | | - code | Yes | [CodeableConcept](/medical-api/fhir/data-types/codeableconcept) | Type of date | | - value | Yes | dateTime | Recommended date | | - description | No | string | Protocol details | | - series | No | string | Name of vaccination series | | - doseNumber\[x] | No | positiveInt, string | Recommended dose number within series | | - seriesDoses\[x] | No | positiveInt, string | Recommended number of doses for immunity | | - supportingImmunization | No | Reference\<[Immunization](/medical-api/fhir/resources/immunization) / [ImmunizationEvaluation](/medical-api/fhir/resources/immunizationevaluation)>\[] | Past immunizations supporting recommendation | | - supportingPatientInformation | No | Reference\\[] | Patient observations supporting recommendation | ## Search Parameters | Name | Type | Description | Expression | | -------------- | --------- | -------------------------------------------------- | ---------------------------------------------------------------------- | | date | date | Date recommendation(s) created | ImmunizationRecommendation.date | | identifier | token | Business identifier | ImmunizationRecommendation.identifier | | information | reference | Patient observations supporting recommendation | ImmunizationRecommendation.recommendation.supportingPatientInformation | | patient | reference | Who this profile is for | ImmunizationRecommendation.patient | | status | token | Vaccine recommendation status | ImmunizationRecommendation.recommendation.forecastStatus | | support | reference | Past immunizations supporting recommendation | ImmunizationRecommendation.recommendation.supportingImmunization | | target-disease | token | Disease to be immunized against | ImmunizationRecommendation.recommendation.targetDisease | | vaccine-type | token | Vaccine or vaccine group recommendation applies to | ImmunizationRecommendation.recommendation.vaccineCode | ## Inherited Properties | Name | Required | Type | Description | | ----------------- | -------- | ------------------------------------------------------ | ------------------------------------------------------ | | id | No | string | Logical id of this artifact | | meta | No | [Meta](/medical-api/fhir/data-types/meta) | Metadata about the resource | | implicitRules | No | uri | A set of rules under which this content was created | | language | No | code | Language of the resource content | | text | No | [Narrative](/medical-api/fhir/data-types/narrative) | Text summary of the resource, for human interpretation | | contained | No | Resource\[] | Contained, inline Resources | | extension | No | [Extension](/medical-api/fhir/data-types/extension)\[] | Additional content defined by implementations | | modifierExtension | No | [Extension](/medical-api/fhir/data-types/extension)\[] | Extensions that cannot be ignored | To view the FHIR specification for this resource, see [ImmunizationRecommendation](https://www.hl7.org/fhir/StructureDefinition/ImmunizationRecommendation).