## Profile Comparison between http://hl7.eu/fhir/base/StructureDefinition/immunization-eu-core vs http://hl7.eu/fhir/base/StructureDefinition/immunization-eu-core

Left: | Immunization (EU core) (http://hl7.eu/fhir/base/StructureDefinition/immunization-eu-core)
Right: | Immunization (EU core) (http://hl7.eu/fhir/base/StructureDefinition/immunization-eu-core)

### Messages

Error | StructureDefinition.version | Values for version differ: '2.0.0-gamma' vs '2.0.0'
Information | StructureDefinition.status | Values for status differ: 'draft' vs 'active'
Information | StructureDefinition.date | Values for date differ: '2026-02-25T10:00:47+01:00' vs '2026-04-27T22:40:12+03:00'

### Metadata

Name | Value | Comments
--- | --- | ---
abstract | false |
baseDefinition | http://hl7.org/fhir/StructureDefinition/Immunization |
copyright | Copyright HL7 Europe. Licensed under creative commons public domain (CC0 1.0). |
date | 2026-02-25T10:00:47+01:00 | 2026-04-27T22:40:12+03:00 | Values Differ
description | This profile introduces essential constraints and extensions for the Immunization resource that apply across multiple use cases. |
experimental | false |
fhirVersion | 4.0.1 |
jurisdiction |  |
jurisdiction[0] | http://unstats.un.org/unsd/methods/m49/m49.htm#150 |
kind | resource |
name | ImmunizationEuCore |
publisher | HL7 Europe |
purpose | This profile constrains the Immunization resource for the purpose of this guide. |
status | draft | active | Values Differ
title | Immunization (EU core) |
type | Immunization |
url | http://hl7.eu/fhir/base/StructureDefinition/immunization-eu-core |
version | 2.0.0-gamma | 2.0.0 | Values Differ

### Structure

Name | L Flags | L Card. | L Type | L Description & Constraints | R Flags | R Card. | R Type | R Description & Constraints | Comments
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Immunization |  | 0..* | Immunization | Immunization event information |  | 0..* | Immunization | Immunization event information |
id | Σ | 0..1 | id | Logical id of this artifact | Σ | 0..1 | id | Logical id of this artifact |
meta | Σ | 0..1 | Meta | Metadata about the resource | Σ | 0..1 | Meta | Metadata about the resource |
implicitRules | ?!Σ | 0..1 | uri | A set of rules under which this content was created | ?!Σ | 0..1 | uri | A set of rules under which this content was created |
language |  | 0..1 | code | Language of the immunization content Binding: ?? (preferred): A human language.
Additional Bindings | Purpose
?? | Max Binding
|  | 0..1 | code | Language of the immunization content Binding: ?? (preferred): A human language.
Additional Bindings | Purpose
?? | Max Binding
text |  | 0..1 | Narrative | Text summary of the resource, for human interpretation This profile does not constrain the narrative in regard to content, language, or traceability to data elements |  | 0..1 | Narrative | Text summary of the resource, for human interpretation This profile does not constrain the narrative in regard to content, language, or traceability to data elements |
contained |  | 0..* | Resource | Contained, inline Resources |  | 0..* | Resource | Contained, inline Resources |
Slices for extension |  | 0..* | Extension | Extension Slice: Unordered, Open by value:url |  | 0..* | Extension | Extension Slice: Unordered, Open by value:url |
modifierExtension | ?! | 0..* | Extension | Extensions that cannot be ignored | ?! | 0..* | Extension | Extensions that cannot be ignored |
identifier |  | 0..* | Identifier | Identifier of the immunization |  | 0..* | Identifier | Identifier of the immunization |
status | ?!Σ | 1..1 | code | Immunization status. Binding: ?? (required): A set of codes indicating the current status of an Immunization. | ?!Σ | 1..1 | code | Immunization status. Binding: ?? (required): A set of codes indicating the current status of an Immunization. |
statusReason |  | 0..1 | CodeableConcept | Reason for not performing. Binding: ?? (example): The reason why a vaccine was not administered. |  | 0..1 | CodeableConcept | Reason for not performing. Binding: ?? (example): The reason why a vaccine was not administered. |
vaccineCode | Σ | 1..1 | CodeableConcept | Vaccine product administered Binding: ?? (preferred): The type of vaccine for particular disease or diseases against which the patient has been immunised, or a code for absent/unknown immunization.
Additional Bindings | Purpose | Documentation
?? | candidate | For when WHO ATC code system is preferred
?? | candidate | For EU cross-border use
| Σ | 1..1 | CodeableConcept | Vaccine product administered Binding: ?? (preferred): The type of vaccine for particular disease or diseases against which the patient has been immunised, or a code for absent/unknown immunization.
Additional Bindings | Purpose | Documentation
?? | Preferred | For when WHO ATC code system is preferred
?? | Preferred | For EU cross-border use
patient | Σ | 1..1 | Reference(Patient (EU core)) | Who was immunized | Σ | 1..1 | Reference(Patient (EU core)) | Who was immunized |
encounter |  | 0..1 | Reference(Encounter) | Encounter immunization was part of |  | 0..1 | Reference(Encounter) | Encounter immunization was part of |
Slices for occurrence[x] | Σ | 1..1 | dateTime, string | Date of vaccination Slice: Unordered, Open by type:$this | Σ | 1..1 | dateTime, string | Date of vaccination Slice: Unordered, Open by type:$this |
recorded |  | 0..1 | dateTime | When the immunization was first captured in the subject's record |  | 0..1 | dateTime | When the immunization was first captured in the subject's record |
primarySource | Σ | 0..1 | boolean | Indicates context the data was recorded in | Σ | 0..1 | boolean | Indicates context the data was recorded in |
reportOrigin |  | 0..1 | CodeableConcept | Indicates the source of a secondarily reported record Binding: ?? (example): The source of the data for a record which is not from a primary source. |  | 0..1 | CodeableConcept | Indicates the source of a secondarily reported record Binding: ?? (example): The source of the data for a record which is not from a primary source. |
location |  | 0..1 | Reference(Location (EU core)) | Where immunization occurred |  | 0..1 | Reference(Location (EU core)) | Where immunization occurred |
manufacturer |  | 0..1 | Reference(Organization) | Vaccine manufacturer/MAH |  | 0..1 | Reference(Organization) | Vaccine manufacturer/MAH |
lotNumber |  | 0..1 | string | Batch/lot number |  | 0..1 | string | Batch/lot number |
expirationDate |  | 0..1 | date | Vaccine expiration date |  | 0..1 | date | Vaccine expiration date |
site |  | 0..1 | CodeableConcept | Body site vaccine was administered Binding: ?? (example): The site at which the vaccine was administered. |  | 0..1 | CodeableConcept | Body site vaccine was administered Binding: ?? (example): The site at which the vaccine was administered. |
route |  | 0..1 | CodeableConcept | How vaccine entered body Binding: ?? (example): The route by which the vaccine was administered. |  | 0..1 | CodeableConcept | How vaccine entered body Binding: ?? (example): The route by which the vaccine was administered. |
doseQuantity |  | 0..1 | ?? | Amount of vaccine administered |  | 0..1 | ?? | Amount of vaccine administered |
Slices for performer | Σ | 0..* | BackboneElement | Who performed event Slice: Unordered, Open by value:$this.function | Σ | 0..* | BackboneElement | Who performed event Slice: Unordered, Open by value:$this.function |
id |  | 0..1 | string | Unique id for inter-element referencing |  | 0..1 | string | Unique id for inter-element referencing |
extension |  | 0..* | Extension | Additional content defined by implementations |  | 0..* | Extension | Additional content defined by implementations |
modifierExtension | ?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized | ?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized |
function | Σ | 0..1 | CodeableConcept | What type of performance was done Binding: ?? (extensible): The role a practitioner or organization plays in the immunization event. | Σ | 0..1 | CodeableConcept | What type of performance was done Binding: ?? (extensible): The role a practitioner or organization plays in the immunization event. |
actor | Σ | 1..1 | Reference(Practitioner | PractitionerRole | Organization) | Individual or organization who was performing | Σ | 1..1 | Reference(Practitioner | PractitionerRole | Organization) | Individual or organization who was performing |
note | Σ | 0..* | Annotation | Additional immunization notes | Σ | 0..* | Annotation | Additional immunization notes |
id |  | 0..1 | string | Unique id for inter-element referencing |  | 0..1 | string | Unique id for inter-element referencing |
Slices for extension |  | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url |  | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url |
author[x] | Σ | 0..1 | Reference(Practitioner | Patient | RelatedPerson | Organization), string | Individual responsible for the annotation | Σ | 0..1 | Reference(Practitioner | Patient | RelatedPerson | Organization), string | Individual responsible for the annotation |
time | Σ | 0..1 | dateTime | When the annotation was made | Σ | 0..1 | dateTime | When the annotation was made |
text | Σ | 1..1 | markdown | Additional notes about the immunization | Σ | 1..1 | markdown | Additional notes about the immunization |
reasonCode |  | 0..* | CodeableConcept | Reasons for the administration. Binding: ?? (example): The reason why a vaccine was administered. |  | 0..* | CodeableConcept | Reasons for the administration. Binding: ?? (example): The reason why a vaccine was administered. |
reasonReference |  | 0..* | Reference(Condition | Observation | DiagnosticReport) | Why immunization occurred |  | 0..* | Reference(Condition | Observation | DiagnosticReport) | Why immunization occurred |
isSubpotent | ?!Σ | 0..1 | boolean | Dose potency | ?!Σ | 0..1 | boolean | Dose potency |
subpotentReason |  | 0..* | CodeableConcept | Reason for being subpotent Binding: ?? (example): The reason why a dose is considered to be subpotent. |  | 0..* | CodeableConcept | Reason for being subpotent Binding: ?? (example): The reason why a dose is considered to be subpotent. |
education | C | 0..* | BackboneElement | Educational material presented to patient | C | 0..* | BackboneElement | Educational material presented to patient |
id |  | 0..1 | string | Unique id for inter-element referencing |  | 0..1 | string | Unique id for inter-element referencing |
extension |  | 0..* | Extension | Additional content defined by implementations |  | 0..* | Extension | Additional content defined by implementations |
modifierExtension | ?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized | ?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized |
documentType |  | 0..1 | string | Educational material document identifier |  | 0..1 | string | Educational material document identifier |
reference |  | 0..1 | uri | Educational material reference pointer |  | 0..1 | uri | Educational material reference pointer |
publicationDate |  | 0..1 | dateTime | Educational material publication date |  | 0..1 | dateTime | Educational material publication date |
presentationDate |  | 0..1 | dateTime | Educational material presentation date |  | 0..1 | dateTime | Educational material presentation date |
programEligibility |  | 0..* | CodeableConcept | Patient eligibility for a vaccination program Binding: ?? (example): The patient's eligibility for a vaccation program. |  | 0..* | CodeableConcept | Patient eligibility for a vaccination program Binding: ?? (example): The patient's eligibility for a vaccation program. |
fundingSource |  | 0..1 | CodeableConcept | Funding source for the vaccine Binding: ?? (example): The source of funding used to purchase the vaccine administered. |  | 0..1 | CodeableConcept | Funding source for the vaccine Binding: ?? (example): The source of funding used to purchase the vaccine administered. |
reaction |  | 0..* | BackboneElement | Details of a reaction that follows immunization |  | 0..* | BackboneElement | Details of a reaction that follows immunization |
id |  | 0..1 | string | Unique id for inter-element referencing |  | 0..1 | string | Unique id for inter-element referencing |
extension |  | 0..* | Extension | Additional content defined by implementations |  | 0..* | Extension | Additional content defined by implementations |
modifierExtension | ?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized | ?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized |
date |  | 0..1 | dateTime | When reaction started |  | 0..1 | dateTime | When reaction started |
detail |  | 0..1 | Reference(Observation) | Additional information on reaction |  | 0..1 | Reference(Observation) | Additional information on reaction |
reported |  | 0..1 | boolean | Indicates self-reported reaction |  | 0..1 | boolean | Indicates self-reported reaction |
protocolApplied |  | 0..* | BackboneElement | Protocol followed by the provider |  | 0..* | BackboneElement | Protocol followed by the provider |
id |  | 0..1 | string | Unique id for inter-element referencing |  | 0..1 | string | Unique id for inter-element referencing |
extension |  | 0..* | Extension | Additional content defined by implementations |  | 0..* | Extension | Additional content defined by implementations |
modifierExtension | ?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized | ?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized |
series |  | 0..1 | string | Name of vaccine series |  | 0..1 | string | Name of vaccine series |
authority |  | 0..1 | Reference(Organization) | Who is responsible for publishing the recommendations |  | 0..1 | Reference(Organization) | Who is responsible for publishing the recommendations |
targetDisease |  | 0..* | CodeableConcept | Vaccine preventatable disease being targetted Binding: ?? (preferred): The diseases against which the patient has been immunised
Additional Bindings | Purpose | Documentation
?? | candidate | For when WHO ATC code system is preferred
|  | 0..* | CodeableConcept | Vaccine preventatable disease being targetted Binding: ?? (preferred): The diseases against which the patient has been immunised
Additional Bindings | Purpose | Documentation
?? | Preferred | For when WHO ATC code system is preferred
doseNumber[x] |  | 1..1 | positiveInt, string | Dose Number |  | 1..1 | positiveInt, string | Dose Number |
seriesDoses[x] |  | 0..1 | positiveInt, string | Number of doses |  | 0..1 | positiveInt, string | Number of doses |
Documentation for this format