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

Left: | AllergyIntolerance (EU core) (http://hl7.eu/fhir/base/StructureDefinition/allergyIntolerance-eu-core)
Right: | AllergyIntolerance (EU core) (http://hl7.eu/fhir/base/StructureDefinition/allergyIntolerance-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/AllergyIntolerance |
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 AllergyIntolerance resource that apply across multiple use cases. |
experimental |  |
fhirVersion | 4.0.1 |
jurisdiction |  |
jurisdiction[0] | http://unstats.un.org/unsd/methods/m49/m49.htm#150 |
kind | resource |
name | AllergyIntoleranceEuCore |
publisher | HL7 Europe |
purpose |  |
status | draft | active | Values Differ
title | AllergyIntolerance (EU core) |
type | AllergyIntolerance |
url | http://hl7.eu/fhir/base/StructureDefinition/allergyIntolerance-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
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
AllergyIntolerance | C | 0..* | AllergyIntolerance | Allergy or Intolerance (generally: Risk of adverse reaction to a substance) | C | 0..* | AllergyIntolerance | Allergy or Intolerance (generally: Risk of adverse reaction to a substance) |
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 allergy or intolerance content Binding: ?? (preferred): A human language.
Additional Bindings | Purpose
?? | Max Binding
|  | 0..1 | code | Language of the allergy or intolerance 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 | Σ | 0..* | Identifier | Business identifier for the allergy or intolerance | Σ | 0..* | Identifier | Business identifier for the allergy or intolerance |
clinicalStatus | ?!Σ C | 0..1 | CodeableConcept | Current allergy or Intolerance status Binding: ?? (required): The clinical status of the allergy or intolerance. | ?!Σ C | 0..1 | CodeableConcept | Current allergy or Intolerance status Binding: ?? (required): The clinical status of the allergy or intolerance. |
verificationStatus | ?!Σ C | 0..1 | CodeableConcept | Certainty Binding: ?? (required): Assertion about certainty associated with a propensity, or potential risk, of a reaction to the identified substance. | ?!Σ C | 0..1 | CodeableConcept | Certainty Binding: ?? (required): Assertion about certainty associated with a propensity, or potential risk, of a reaction to the identified substance. |
type | Σ | 0..1 | code | Type of propensity Binding: ?? (required): Identification of the underlying physiological mechanism for a Reaction Risk. | Σ | 0..1 | code | Type of propensity Binding: ?? (required): Identification of the underlying physiological mechanism for a Reaction Risk. |
category | Σ | 0..* | code | food | medication | environment | biologic Binding: ?? (required): Category of an identified substance associated with allergies or intolerances. | Σ | 0..* | code | food | medication | environment | biologic Binding: ?? (required): Category of an identified substance associated with allergies or intolerances. |
criticality | Σ | 0..1 | code | Criticality Binding: ?? (required): Estimate of the potential clinical harm, or seriousness, of a reaction to an identified substance. | Σ | 0..1 | code | Criticality Binding: ?? (required): Estimate of the potential clinical harm, or seriousness, of a reaction to an identified substance. |
code | Σ | 1..1 | CodeableConcept | Code that identifies the allergy or intolerance Binding: ?? (preferred): Type of the substance/product, allergy or intolerance condition or a code for absent/unknown allergy.
Additional Bindings | Purpose
?? | candidate
?? | candidate
| Σ | 1..1 | CodeableConcept | Code that identifies the allergy or intolerance Binding: ?? (preferred): Type of the substance/product, allergy or intolerance condition or a code for absent/unknown allergy.
Additional Bindings | Purpose
?? | Preferred
?? | Preferred
patient | Σ | 1..1 | Reference(Patient (EU core)) | Who the allergy or intolerance concerns | Σ | 1..1 | Reference(Patient (EU core)) | Who the allergy or intolerance concerns |
encounter |  | 0..1 | Reference(Encounter) | Encounter when the allergy or intolerance was asserted |  | 0..1 | Reference(Encounter) | Encounter when the allergy or intolerance was asserted |
Slices for onset[x] |  | 0..1 | dateTime, Age, Period, Range, string | Date of onset of the allergy or intolerance Slice: Unordered, Open by type:$this |  | 0..1 | dateTime, Age, Period, Range, string | Date of onset of the allergy or intolerance Slice: Unordered, Open by type:$this |
recordedDate |  | 0..1 | dateTime | Date when the allergy or intolerance was recorded |  | 0..1 | dateTime | Date when the allergy or intolerance was recorded |
recorder |  | 0..1 | Reference(Practitioner | PractitionerRole | Patient | RelatedPerson) | Who recorded the allergy or intolerance |  | 0..1 | Reference(Practitioner | PractitionerRole | Patient | RelatedPerson) | Who recorded the allergy or intolerance |
asserter | Σ | 0..1 | Reference(Patient | RelatedPerson | Practitioner | PractitionerRole) | Who asserts the allergy or intolerance | Σ | 0..1 | Reference(Patient | RelatedPerson | Practitioner | PractitionerRole) | Who asserts the allergy or intolerance |
lastOccurrence |  | 0..1 | dateTime | Date(/time) of last known occurrence of a reaction |  | 0..1 | dateTime | Date(/time) of last known occurrence of a reaction |
note |  | 0..* | Annotation | Additional text not captured in other fields |  | 0..* | Annotation | Additional text not captured in other fields |
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 information about the allergy or intolerance | Σ | 1..1 | markdown | Additional information about the allergy or intolerance |
reaction |  | 0..* | BackboneElement | Adverse Reaction Events linked to exposure to substance |  | 0..* | BackboneElement | Adverse Reaction Events linked to exposure to substance |
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 |
substance |  | 0..1 | CodeableConcept | Specific substance or pharmaceutical product considered to be responsible for event Binding: ?? (example) |  | 0..1 | CodeableConcept | Specific substance or pharmaceutical product considered to be responsible for event Binding: ?? (example) |
manifestation |  | 1..* | CodeableConcept | Clinical symptoms/signs associated with the Event Binding: ?? (preferred): Type of allergy or intolerance reaction expected to be used in MyHealth@EU
Additional Bindings | Purpose
?? | candidate
|  | 1..* | CodeableConcept | Clinical symptoms/signs associated with the Event Binding: ?? (preferred): Type of allergy or intolerance reaction expected to be used in MyHealth@EU
Additional Bindings | Purpose
?? | Preferred
description |  | 0..1 | string | Description of the event as a whole |  | 0..1 | string | Description of the event as a whole |
onset |  | 0..1 | dateTime | Reaction onset |  | 0..1 | dateTime | Reaction onset |
severity |  | 0..1 | code | Reaction severity Binding: ?? (required): Clinical assessment of the severity of a reaction event as a whole, potentially considering multiple different manifestations. |  | 0..1 | code | Reaction severity Binding: ?? (required): Clinical assessment of the severity of a reaction event as a whole, potentially considering multiple different manifestations. |
exposureRoute |  | 0..1 | CodeableConcept | How the subject was exposed to the substance Binding: ?? (example): A coded concept describing the route or physiological path of administration of a therapeutic agent into or onto the body of a subject. |  | 0..1 | CodeableConcept | How the subject was exposed to the substance Binding: ?? (example): A coded concept describing the route or physiological path of administration of a therapeutic agent into or onto the body of a subject. |
note |  | 0..* | Annotation | Text about event not captured in other fields |  | 0..* | Annotation | Text about event not captured in other fields |
Documentation for this format