This page is part of the FHIR Specification (v1.0.2: DSTU 2). The current version which supercedes this version is 5.0.0.  For a full list of available versions, see the Directory of published versions  . Page versions: R5 R4B R4 R3 R2
. Page versions: R5 R4B R4 R3 R2

Detailed Descriptions for the elements in the Immunization resource.
| Immunization | |
| Definition | Describes the event of a patient being administered a vaccination or a record of a vaccination as reported by a patient, a clinician or another party and may include vaccine reaction information and what vaccination protocol was followed. | 
| Control | 1..1 | 
| Invariants | Defined on this element imm-1: If immunization was not administred (wasNotGiven=true) then there SHALL be no reaction nor explanation.reason present (xpath: not(f:wasNotGiven/@value=true() and (count(f:reaction) > 0 or exists(f:explanation/f:reason)))) imm-2: If immunization was administered (wasNotGiven=false) then explanation.reasonNotGiven SHALL be absent. (xpath: not(f:wasNotGiven/@value=false() and exists(f:explanation/f:reasonNotGiven))) | 
| Immunization.identifier | |
| Definition | A unique identifier assigned to this immunization record. | 
| Note | This is a business identifer, not a resource identifier (see discussion) | 
| Control | 0..* | 
| Type | Identifier | 
| Immunization.status | |
| Definition | Indicates the current status of the vaccination event. | 
| Control | 1..1 | 
| Binding | MedicationAdministrationStatus: A set of codes indicating the current status of an Immunization (Required) | 
| Type | code | 
| Is Modifier | true | 
| Summary | true | 
| Comments | Will generally be set to show that the immunization has been completed. | 
| Immunization.date | |
| Definition | Date vaccine administered or was to be administered. | 
| Control | 0..1 | 
| Type | dateTime | 
| Comments | When immunizations are given a specific date and time should always be known. When immunizations are patient reported, a specific date might not be known. Although partial dates are allowed, an adult patient might not be able to recall the year a childhood immunization was given. | 
| Immunization.vaccineCode | |
| Definition | Vaccine that was administered or was to be administered. | 
| Control | 1..1 | 
| Binding | Vaccine Administered Value Set: The code for vaccine product administered (Example) | 
| Type | CodeableConcept | 
| Immunization.patient | |
| Definition | The patient who either received or did not receive the immunization. | 
| Control | 1..1 | 
| Type | Reference(Patient) | 
| Immunization.wasNotGiven | |
| Definition | Indicates if the vaccination was or was not given. | 
| Control | 1..1 | 
| Type | boolean | 
| Is Modifier | true | 
| Immunization.reported | |
| Definition | True if this administration was reported rather than directly administered. | 
| Control | 1..1 | 
| Type | boolean | 
| Comments | May need source of reported info (e.g. parent), but leave out for now. | 
| Immunization.performer | |
| Definition | Clinician who administered the vaccine. | 
| Control | 0..1 | 
| Type | Reference(Practitioner) | 
| Immunization.requester | |
| Definition | Clinician who ordered the vaccination. | 
| Control | 0..1 | 
| Type | Reference(Practitioner) | 
| Comments | Other participants - delegate to Provenance resource. | 
| Immunization.encounter | |
| Definition | The visit or admission or other contact between patient and health care provider the immunization was performed as part of. | 
| Control | 0..1 | 
| Type | Reference(Encounter) | 
| Immunization.manufacturer | |
| Definition | Name of vaccine manufacturer. | 
| Control | 0..1 | 
| Type | Reference(Organization) | 
| Immunization.location | |
| Definition | The service delivery location where the vaccine administration occurred. | 
| Control | 0..1 | 
| Type | Reference(Location) | 
| Immunization.lotNumber | |
| Definition | Lot number of the vaccine product. | 
| Control | 0..1 | 
| Type | string | 
| Immunization.expirationDate | |
| Definition | Date vaccine batch expires. | 
| Control | 0..1 | 
| Type | date | 
| Immunization.site | |
| Definition | Body site where vaccine was administered. | 
| Control | 0..1 | 
| Binding | Codes for Immunization Site of Administration: The site at which the vaccine was administered (Example) | 
| Type | CodeableConcept | 
| Immunization.route | |
| Definition | The path by which the vaccine product is taken into the body. | 
| Control | 0..1 | 
| Binding | Immunization Route Codes: The route by which the vaccine was administered (Example) | 
| Type | CodeableConcept | 
| Immunization.doseQuantity | |
| Definition | The quantity of vaccine product that was administered. | 
| Control | 0..1 | 
| Type | SimpleQuantity | 
| Immunization.note | |
| Definition | Extra information about the immunization that is not conveyed by the other attributes. | 
| Control | 0..* | 
| Type | Annotation | 
| Summary | true | 
| Immunization.explanation | |
| Definition | Reasons why a vaccine was or was not administered. | 
| Control | 0..1 | 
| Immunization.explanation.reason | |
| Definition | Reasons why a vaccine was administered. | 
| Control | 0..* | 
| Binding | Immunization Reason Codes: The reason why a vaccine was administered (Example) | 
| Type | CodeableConcept | 
| Immunization.explanation.reasonNotGiven | |
| Definition | Reason why a vaccine was not administered. | 
| Control | 0..* | 
| Binding | Immunization Reasons for Not Immunizing Codes: The reason why a vaccine was not administered (Example) | 
| Type | CodeableConcept | 
| Immunization.reaction | |
| Definition | Categorical data indicating that an adverse event is associated in time to an immunization. | 
| Control | 0..* | 
| Comments | A reaction may be an indication of an allergy or intolerance and, if this is determined to be the case, it should be recorded as a new AllergyIntolerance resource instance as most systems will not query against past Immunization.reaction elements. | 
| Immunization.reaction.date | |
| Definition | Date of reaction to the immunization. | 
| Control | 0..1 | 
| Type | dateTime | 
| Immunization.reaction.detail | |
| Definition | Details of the reaction. | 
| Control | 0..1 | 
| Type | Reference(Observation) | 
| Immunization.reaction.reported | |
| Definition | Self-reported indicator. | 
| Control | 0..1 | 
| Type | boolean | 
| Immunization.vaccinationProtocol | |
| Definition | Contains information about the protocol(s) under which the vaccine was administered. | 
| Control | 0..* | 
| Immunization.vaccinationProtocol.doseSequence | |
| Definition | Nominal position in a series. | 
| Control | 1..1 | 
| Type | positiveInt | 
| Immunization.vaccinationProtocol.description | |
| Definition | Contains the description about the protocol under which the vaccine was administered. | 
| Control | 0..1 | 
| Type | string | 
| Immunization.vaccinationProtocol.authority | |
| Definition | Indicates the authority who published the protocol. E.g. ACIP. | 
| Control | 0..1 | 
| Type | Reference(Organization) | 
| Immunization.vaccinationProtocol.series | |
| Definition | One possible path to achieve presumed immunity against a disease - within the context of an authority. | 
| Control | 0..1 | 
| Type | string | 
| Immunization.vaccinationProtocol.seriesDoses | |
| Definition | The recommended number of doses to achieve immunity. | 
| Control | 0..1 | 
| Type | positiveInt | 
| Immunization.vaccinationProtocol.targetDisease | |
| Definition | The targeted disease. | 
| Control | 1..* | 
| Binding | Vaccination Protocol Dose Target Codes: The disease target of the vaccination protocol (Example) | 
| Type | CodeableConcept | 
| Immunization.vaccinationProtocol.doseStatus | |
| Definition | Indicates if the immunization event should "count" against the protocol. | 
| Control | 1..1 | 
| Binding | Vaccination Protocol Dose Status codes: The status of the vaccination protocol (i.e. should this count) (Example) | 
| Type | CodeableConcept | 
| Comments | May need to differentiate between status declarations by a provider vs. a CDS engine. | 
| Immunization.vaccinationProtocol.doseStatusReason | |
| Definition | Provides an explanation as to why an immunization event should or should not count against the protocol. | 
| Control | 0..1 | 
| Binding | Vaccination Protocol Dose Status Reason codes: The reason for the determining if a vaccination should count or why vaccination should not count. (Example) | 
| Type | CodeableConcept |