## Profile Comparison between http://hl7.eu/fhir/base-r5/StructureDefinition/immunization-eu-core vs http://hl7.eu/fhir/base-r5/StructureDefinition/immunization-eu-core

Left: | Immunization (EU core) (http://hl7.eu/fhir/base-r5/StructureDefinition/immunization-eu-core)
Right: | Immunization (EU core) (http://hl7.eu/fhir/base-r5/StructureDefinition/immunization-eu-core)

### Messages

Error | StructureDefinition.version | Values for version differ: '2.0.0-ballot' vs '2.0.0'
Information | StructureDefinition.date | Values for date differ: '2025-12-19T19:52:30+01:00' vs '2026-04-27T22:41:19+03:00'
Information | StructureDefinition.short | Values for short differ: 'Language of the resource content' vs 'Language of the immunization content'
Information | StructureDefinition.short | Values for short differ: 'Business identifier' vs 'Identifier of the immunization'
Information | StructureDefinition.short | Values for short differ: 'Product that was administered' vs 'The product that was administered or was to be administered.'

### 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 | 2025-12-19T19:52:30+01:00 | 2026-04-27T22:41:19+03:00 | Values Differ
description | This profile sets minimum expectations for the Immunization resource common to most of the use cases. | This profile introduces essential constraints and extensions for the Immunization resource that apply across multiple use cases. | Values Differ
experimental | false |
fhirVersion | 5.0.0 |
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 | active |
title | Immunization (EU core) |
type | Immunization |
url | http://hl7.eu/fhir/base-r5/StructureDefinition/immunization-eu-core |
version | 2.0.0-ballot | 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 resource content Binding: ?? (required): IETF language tag for a human language
Additional Bindings | Purpose
?? | Starter
|  | 0..1 | code | Language of the immunization content Binding: ?? (required): IETF language tag for a human language
Additional Bindings | Purpose
?? | Starter
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 |
extension |  | 0..* | Extension | Additional content defined by implementations |  | 0..* | Extension | Additional content defined by implementations |
modifierExtension | ?!Σ | 0..* | Extension | Extensions that cannot be ignored | ?!Σ | 0..* | Extension | Extensions that cannot be ignored |
identifier |  | 0..* | Identifier | Business identifier |  | 0..* | Identifier | Identifier of the immunization |
basedOn | Σ | 0..* | Reference(CarePlan | MedicationRequest | ServiceRequest | ImmunizationRecommendation) | Authority that the immunization event is based on | Σ | 0..* | Reference(CarePlan | MedicationRequest | ServiceRequest | ImmunizationRecommendation) | Authority that the immunization event is based on |
status | ?!Σ | 1..1 | code | Immunization status. Binding: ?? (required) | ?!Σ | 1..1 | code | Immunization status. Binding: ?? (required) |
statusReason |  | 0..1 | CodeableConcept | Reason for not performing. Binding: ?? (example) |  | 0..1 | CodeableConcept | Reason for not performing. Binding: ?? (example) |
vaccineCode | Σ | 1..1 | CodeableConcept | Vaccine administered Binding: ?? (preferred)
Additional Bindings | Purpose
?? | candidate
| Σ | 1..1 | CodeableConcept | Vaccine administered Binding: ?? (preferred)
Additional Bindings | Purpose
?? | Preferred
administeredProduct |  | 0..1 | CodeableReference(Medication) | Product that was administered |  | 0..1 | CodeableReference(Medication) | The product that was administered or was to be administered. |
manufacturer |  | 0..1 | CodeableReference(Organization) | Vaccine manufacturer/MAH |  | 0..1 | CodeableReference(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 |
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 |
supportingInformation |  | 0..* | Reference(Resource) | Additional information in support of the immunization |  | 0..* | Reference(Resource) | Additional information in support of the immunization |
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 |
primarySource | Σ | 0..1 | boolean | Indicates context the data was captured in | Σ | 0..1 | boolean | Indicates context the data was captured in |
informationSource |  | 0..1 | CodeableReference(Patient | Practitioner | PractitionerRole | RelatedPerson | Organization) | Indicates the source of a reported record Binding: ?? (example) |  | 0..1 | CodeableReference(Patient (EU core) | Practitioner (EU core) | PractitionerRole (EU core) | RelatedPerson | Organization (EU core)) | Indicates the source of a reported record Binding: ?? (example) |
location |  | 0..1 | Reference(Location (EU core)) | Where immunization occurred |  | 0..1 | Reference(Location (EU core)) | Where immunization occurred |
site |  | 0..1 | CodeableConcept | Body site vaccine was administered Binding: ?? (example) |  | 0..1 | CodeableConcept | Body site vaccine was administered Binding: ?? (example) |
route |  | 0..1 | CodeableConcept | How vaccine entered body Binding: ?? (example) |  | 0..1 | CodeableConcept | How vaccine entered body Binding: ?? (example) |
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) | Σ | 0..1 | CodeableConcept | What type of performance was done Binding: ?? (extensible) |
actor | Σ | 1..1 | Reference(Practitioner | PractitionerRole | Organization | Patient | RelatedPerson) | Individual or organization who was performing | Σ | 1..1 | Reference(Practitioner | PractitionerRole | Organization | Patient | RelatedPerson) | Individual or organization who was performing |
note | Σ | 0..* | Annotation | Additional immunization notes | Σ | 0..* | Annotation | Additional immunization notes |
id |  |  |  |  |  | 0..1 | id | Unique id for inter-element referencing | Added this element
Slices for extension |  |  |  |  |  | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url | Added this element
author[x] |  |  |  |  | Σ | 0..1 | Reference(Practitioner | PractitionerRole | Patient | RelatedPerson | Organization), string | Individual responsible for the annotation | Added this element
time |  |  |  |  | Σ | 0..1 | dateTime | When the annotation was made | Added this element
text |  |  |  |  | Σ | 1..1 | markdown | Additional notes about the immunization | Added this element
reason |  | 0..* | CodeableReference(Condition | Observation | DiagnosticReport) | Why immunization occurred Binding: ?? (example) |  | 0..* | CodeableReference(Condition | Observation | DiagnosticReport) | Why immunization occurred Binding: ?? (example) |
id |  | 0..1 | id | Unique id for inter-element referencing |  | 0..1 | id | 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 |
concept | Σ | 0..1 | CodeableConcept | Reasons for the administration. | Σ | 0..1 | CodeableConcept | Reasons for the administration. |
reference | Σ | 0..1 | Reference() | Reference to a resource (by instance) | Σ | 0..1 | Reference() | Reference to a resource (by instance) |
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. |
programEligibility |  | 0..* | BackboneElement | Patient eligibility for a specific vaccination program |  | 0..* | BackboneElement | Patient eligibility for a specific vaccination program |
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 |
program |  | 1..1 | CodeableConcept | The program that eligibility is declared for Binding: ?? (example) |  | 1..1 | CodeableConcept | The program that eligibility is declared for Binding: ?? (example) |
programStatus |  | 1..1 | CodeableConcept | The patient's eligibility status for the program Binding: ?? (example) |  | 1..1 | CodeableConcept | The patient's eligibility status for the program Binding: ?? (example) |
fundingSource |  | 0..1 | CodeableConcept | Funding source for the vaccine Binding: ?? (example) |  | 0..1 | CodeableConcept | Funding source for the vaccine Binding: ?? (example) |
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 |
manifestation |  | 0..1 | CodeableReference(Observation) | Additional information on reaction |  | 0..1 | CodeableReference(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 targeted Binding: ?? (preferred)
Additional Bindings | Purpose
?? | candidate
|  | 0..* | CodeableConcept | Vaccine preventatable disease being targeted Binding: ?? (preferred)
Additional Bindings | Purpose
?? | Preferred
doseNumber |  | 1..1 | string | Dose Number |  | 1..1 | string | Dose Number |
seriesDoses |  | 0..1 | string | Number of doses |  | 0..1 | string | Number of doses |
Documentation for this format