EHDS Logical Information Models
0.1.0 - ci-build

EHDS Logical Information Models, published by Xt-EHR. This guide is not an authorized publication; it is the continuous build for version 0.1.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/Xt-EHR/xt-ehr-common/tree/stakeholder-consultation-D6-2 and changes regularly. See the Directory of published versions

## Logical Model: EHDSAllergyIntolerance - Detailed Descriptions

Draft as of 2025-05-26

Definitions for the EHDSAllergyIntolerance logical model.

- Key Elements Table
- Differential Elements Table
- Snapshot Elements Table

Guidance on how to interpret the contents of this table can be found here

0. EHDSAllergyIntolerance
Definition | EHDS refined base model for allergy/intolerance Base definition for all types defined in FHIR type system.
Short | Allergy intolerance modelBase for all types and resources
Control | 0..*
Is Modifier | false
Logical Model | Instances of this logical model are not marked to be the target of a Reference
2. EHDSAllergyIntolerance.identifier
Definition | Identifier for the allergy/intolerance record
Short | Identifier for the allergy/intolerance record
Note | This is a business identifier, not a resource identifier (see discussion)
Control | 0..*
Type | Identifier
4. EHDSAllergyIntolerance.subject
Definition | The patient who has the allergy or intolerance
Short | The patient who has the allergy or intolerance
Control | 1..1
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSPatient
6. EHDSAllergyIntolerance.status
Definition | Current status of the allergy or intolerance (e.g. active, in remission, resolved)
Short | Current status of the allergy or intolerance (e.g. active, in remission, resolved)
Control | 0..1
Binding | SNOMED CT
Type | CodeableConcept
8. EHDSAllergyIntolerance.allergyDescription
Definition | Textual description of the allergy or intolerance
Short | Textual description of the allergy or intolerance
Control | 0..1
Type | string
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
10. EHDSAllergyIntolerance.typeOfPropensity
Definition | Type of propensity describes whether this condition refers to an allergy, non-allergy intolerance, or unknown class of intolerance (not known to be allergy or intolerance)
Short | Type of propensity describes whether this condition refers to an allergy, non-allergy intolerance, or unknown class of intolerance (not known to be allergy or intolerance)
Control | 0..1
Binding | SNOMED CT
Type | CodeableConcept
12. EHDSAllergyIntolerance.allergyManifestation
Definition | Description of the clinical manifestation of the allergic reaction including date of manifestation and severity. Example: anaphylactic shock, angioedema (the clinical manifestation also gives information about the severity of the observed reaction).
Short | Description of the clinical manifestation of the allergic reaction including date of manifestation and severity. Example: anaphylactic shock, angioedema (the clinical manifestation also gives information about the severity of the observed reaction).
Control | 0..*
Type | Base
14. EHDSAllergyIntolerance.allergyManifestation.date
Definition | Date and time of allergy manifestation
Short | Date and time of allergy manifestation
Control | 0..1
Type | dateTime
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
16. EHDSAllergyIntolerance.allergyManifestation.severity
Definition | Severity of the clinical manifestation of the allergic reaction.
Short | Severity of the clinical manifestation of the allergic reaction.
Control | 0..1
Binding | SNOMED CT
Type | CodeableConcept
18. EHDSAllergyIntolerance.allergyManifestation.description
Definition | Description of the event as a whole
Short | Description of the event as a whole
Control | 0..1
Type | string
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
20. EHDSAllergyIntolerance.allergyManifestation.manifestation
Definition | Clinical symptoms/signs associated with the event
Short | Clinical symptoms/signs associated with the event
Control | 0..*
Binding | SNOMED CT
Type | CodeableConcept
22. EHDSAllergyIntolerance.criticality
Definition | Potential risk for future life-threatening adverse reactions when exposed to a substance known to cause an adverse reaction.
Short | Potential risk for future life-threatening adverse reactions when exposed to a substance known to cause an adverse reaction.
Control | 0..1
Binding | SNOMED CT
Type | CodeableConcept
24. EHDSAllergyIntolerance.onsetDate
Definition | Date of onset of allergy, e.g., date of the first observation of the reaction. Partial date could be used.
Short | Date of onset of allergy, e.g., date of the first observation of the reaction. Partial date could be used.
Control | 0..1
Type | dateTime
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
26. EHDSAllergyIntolerance.onsetLifePeriod
Definition | Onset life period (childhood, adolescence, etc.).
Short | Onset life period (childhood, adolescence, etc.).
Control | 0..1
Binding | SNOMED CT
Type | CodeableConcept
28. EHDSAllergyIntolerance.endDate
Definition | Date of resolution of the allergy (e.g. when the clinician deemed there is no longer any need to track the underlying condition)
Short | Date of resolution of the allergy (e.g. when the clinician deemed there is no longer any need to track the underlying condition)
Control | 0..1
Type | dateTime
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
30. EHDSAllergyIntolerance.endDateLifePeriod
Definition | Life period of resolution of the allergy (e.g. childhood, adolescence)
Short | Life period of resolution of the allergy (e.g. childhood, adolescence)
Control | 0..1
Binding | SNOMED CT
Type | CodeableConcept
32. EHDSAllergyIntolerance.certainty
Definition | Assertion about the certainty associated with a propensity, or potential risk, of a reaction to the identified substance. Diagnostic and/or clinical evidence of condition.
Short | Assertion about the certainty associated with a propensity, or potential risk, of a reaction to the identified substance. Diagnostic and/or clinical evidence of condition.
Control | 0..1
Binding | SNOMED CT
Type | CodeableConcept
34. EHDSAllergyIntolerance.agentOrAllergen
Definition | A specific allergen or other agent/substance (drug, food, chemical agent, etc.) to which the patient has an adverse reaction propensity.
Short | A specific allergen or other agent/substance (drug, food, chemical agent, etc.) to which the patient has an adverse reaction propensity.
Control | 1..1
Binding | SNOMED CT, ATC, EMA SPOR SMS
Type | CodeableConcept

Guidance on how to interpret the contents of this table can be found here

0. EHDSAllergyIntolerance
Definition | EHDS refined base model for allergy/intolerance
Short | Allergy intolerance model
Logical Model | Instances of this logical model are not marked to be the target of a Reference
2. EHDSAllergyIntolerance.identifier
Definition | Identifier for the allergy/intolerance record
Short | Identifier for the allergy/intolerance record
Note | This is a business identifier, not a resource identifier (see discussion)
Control | 0..*
Type | Identifier
4. EHDSAllergyIntolerance.subject
Definition | The patient who has the allergy or intolerance
Short | The patient who has the allergy or intolerance
Control | 1..1
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSPatient
6. EHDSAllergyIntolerance.status
Definition | Current status of the allergy or intolerance (e.g. active, in remission, resolved)
Short | Current status of the allergy or intolerance (e.g. active, in remission, resolved)
Control | 0..1
Binding | SNOMED CT
Type | CodeableConcept
8. EHDSAllergyIntolerance.allergyDescription
Definition | Textual description of the allergy or intolerance
Short | Textual description of the allergy or intolerance
Control | 0..1
Type | string
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
10. EHDSAllergyIntolerance.typeOfPropensity
Definition | Type of propensity describes whether this condition refers to an allergy, non-allergy intolerance, or unknown class of intolerance (not known to be allergy or intolerance)
Short | Type of propensity describes whether this condition refers to an allergy, non-allergy intolerance, or unknown class of intolerance (not known to be allergy or intolerance)
Control | 0..1
Binding | SNOMED CT
Type | CodeableConcept
12. EHDSAllergyIntolerance.allergyManifestation
Definition | Description of the clinical manifestation of the allergic reaction including date of manifestation and severity. Example: anaphylactic shock, angioedema (the clinical manifestation also gives information about the severity of the observed reaction).
Short | Description of the clinical manifestation of the allergic reaction including date of manifestation and severity. Example: anaphylactic shock, angioedema (the clinical manifestation also gives information about the severity of the observed reaction).
Control | 0..*
Type | Base
14. EHDSAllergyIntolerance.allergyManifestation.date
Definition | Date and time of allergy manifestation
Short | Date and time of allergy manifestation
Control | 0..1
Type | dateTime
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
16. EHDSAllergyIntolerance.allergyManifestation.severity
Definition | Severity of the clinical manifestation of the allergic reaction.
Short | Severity of the clinical manifestation of the allergic reaction.
Control | 0..1
Binding | SNOMED CT
Type | CodeableConcept
18. EHDSAllergyIntolerance.allergyManifestation.description
Definition | Description of the event as a whole
Short | Description of the event as a whole
Control | 0..1
Type | string
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
20. EHDSAllergyIntolerance.allergyManifestation.manifestation
Definition | Clinical symptoms/signs associated with the event
Short | Clinical symptoms/signs associated with the event
Control | 0..*
Binding | SNOMED CT
Type | CodeableConcept
22. EHDSAllergyIntolerance.criticality
Definition | Potential risk for future life-threatening adverse reactions when exposed to a substance known to cause an adverse reaction.
Short | Potential risk for future life-threatening adverse reactions when exposed to a substance known to cause an adverse reaction.
Control | 0..1
Binding | SNOMED CT
Type | CodeableConcept
24. EHDSAllergyIntolerance.onsetDate
Definition | Date of onset of allergy, e.g., date of the first observation of the reaction. Partial date could be used.
Short | Date of onset of allergy, e.g., date of the first observation of the reaction. Partial date could be used.
Control | 0..1
Type | dateTime
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
26. EHDSAllergyIntolerance.onsetLifePeriod
Definition | Onset life period (childhood, adolescence, etc.).
Short | Onset life period (childhood, adolescence, etc.).
Control | 0..1
Binding | SNOMED CT
Type | CodeableConcept
28. EHDSAllergyIntolerance.endDate
Definition | Date of resolution of the allergy (e.g. when the clinician deemed there is no longer any need to track the underlying condition)
Short | Date of resolution of the allergy (e.g. when the clinician deemed there is no longer any need to track the underlying condition)
Control | 0..1
Type | dateTime
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
30. EHDSAllergyIntolerance.endDateLifePeriod
Definition | Life period of resolution of the allergy (e.g. childhood, adolescence)
Short | Life period of resolution of the allergy (e.g. childhood, adolescence)
Control | 0..1
Binding | SNOMED CT
Type | CodeableConcept
32. EHDSAllergyIntolerance.certainty
Definition | Assertion about the certainty associated with a propensity, or potential risk, of a reaction to the identified substance. Diagnostic and/or clinical evidence of condition.
Short | Assertion about the certainty associated with a propensity, or potential risk, of a reaction to the identified substance. Diagnostic and/or clinical evidence of condition.
Control | 0..1
Binding | SNOMED CT
Type | CodeableConcept
34. EHDSAllergyIntolerance.agentOrAllergen
Definition | A specific allergen or other agent/substance (drug, food, chemical agent, etc.) to which the patient has an adverse reaction propensity.
Short | A specific allergen or other agent/substance (drug, food, chemical agent, etc.) to which the patient has an adverse reaction propensity.
Control | 1..1
Binding | SNOMED CT, ATC, EMA SPOR SMS
Type | CodeableConcept

Guidance on how to interpret the contents of this table can be found here

0. EHDSAllergyIntolerance
Definition | EHDS refined base model for allergy/intolerance
Short | Allergy intolerance model
Control | 0..*
Is Modifier | false
Logical Model | Instances of this logical model are not marked to be the target of a Reference
2. EHDSAllergyIntolerance.identifier
Definition | Identifier for the allergy/intolerance record
Short | Identifier for the allergy/intolerance record
Note | This is a business identifier, not a resource identifier (see discussion)
Control | 0..*
Type | Identifier
4. EHDSAllergyIntolerance.subject
Definition | The patient who has the allergy or intolerance
Short | The patient who has the allergy or intolerance
Control | 1..1
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSPatient
6. EHDSAllergyIntolerance.status
Definition | Current status of the allergy or intolerance (e.g. active, in remission, resolved)
Short | Current status of the allergy or intolerance (e.g. active, in remission, resolved)
Control | 0..1
Binding | SNOMED CT
Type | CodeableConcept
8. EHDSAllergyIntolerance.allergyDescription
Definition | Textual description of the allergy or intolerance
Short | Textual description of the allergy or intolerance
Control | 0..1
Type | string
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
10. EHDSAllergyIntolerance.typeOfPropensity
Definition | Type of propensity describes whether this condition refers to an allergy, non-allergy intolerance, or unknown class of intolerance (not known to be allergy or intolerance)
Short | Type of propensity describes whether this condition refers to an allergy, non-allergy intolerance, or unknown class of intolerance (not known to be allergy or intolerance)
Control | 0..1
Binding | SNOMED CT
Type | CodeableConcept
12. EHDSAllergyIntolerance.allergyManifestation
Definition | Description of the clinical manifestation of the allergic reaction including date of manifestation and severity. Example: anaphylactic shock, angioedema (the clinical manifestation also gives information about the severity of the observed reaction).
Short | Description of the clinical manifestation of the allergic reaction including date of manifestation and severity. Example: anaphylactic shock, angioedema (the clinical manifestation also gives information about the severity of the observed reaction).
Control | 0..*
Type | Base
14. EHDSAllergyIntolerance.allergyManifestation.date
Definition | Date and time of allergy manifestation
Short | Date and time of allergy manifestation
Control | 0..1
Type | dateTime
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
16. EHDSAllergyIntolerance.allergyManifestation.severity
Definition | Severity of the clinical manifestation of the allergic reaction.
Short | Severity of the clinical manifestation of the allergic reaction.
Control | 0..1
Binding | SNOMED CT
Type | CodeableConcept
18. EHDSAllergyIntolerance.allergyManifestation.description
Definition | Description of the event as a whole
Short | Description of the event as a whole
Control | 0..1
Type | string
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
20. EHDSAllergyIntolerance.allergyManifestation.manifestation
Definition | Clinical symptoms/signs associated with the event
Short | Clinical symptoms/signs associated with the event
Control | 0..*
Binding | SNOMED CT
Type | CodeableConcept
22. EHDSAllergyIntolerance.criticality
Definition | Potential risk for future life-threatening adverse reactions when exposed to a substance known to cause an adverse reaction.
Short | Potential risk for future life-threatening adverse reactions when exposed to a substance known to cause an adverse reaction.
Control | 0..1
Binding | SNOMED CT
Type | CodeableConcept
24. EHDSAllergyIntolerance.onsetDate
Definition | Date of onset of allergy, e.g., date of the first observation of the reaction. Partial date could be used.
Short | Date of onset of allergy, e.g., date of the first observation of the reaction. Partial date could be used.
Control | 0..1
Type | dateTime
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
26. EHDSAllergyIntolerance.onsetLifePeriod
Definition | Onset life period (childhood, adolescence, etc.).
Short | Onset life period (childhood, adolescence, etc.).
Control | 0..1
Binding | SNOMED CT
Type | CodeableConcept
28. EHDSAllergyIntolerance.endDate
Definition | Date of resolution of the allergy (e.g. when the clinician deemed there is no longer any need to track the underlying condition)
Short | Date of resolution of the allergy (e.g. when the clinician deemed there is no longer any need to track the underlying condition)
Control | 0..1
Type | dateTime
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
30. EHDSAllergyIntolerance.endDateLifePeriod
Definition | Life period of resolution of the allergy (e.g. childhood, adolescence)
Short | Life period of resolution of the allergy (e.g. childhood, adolescence)
Control | 0..1
Binding | SNOMED CT
Type | CodeableConcept
32. EHDSAllergyIntolerance.certainty
Definition | Assertion about the certainty associated with a propensity, or potential risk, of a reaction to the identified substance. Diagnostic and/or clinical evidence of condition.
Short | Assertion about the certainty associated with a propensity, or potential risk, of a reaction to the identified substance. Diagnostic and/or clinical evidence of condition.
Control | 0..1
Binding | SNOMED CT
Type | CodeableConcept
34. EHDSAllergyIntolerance.agentOrAllergen
Definition | A specific allergen or other agent/substance (drug, food, chemical agent, etc.) to which the patient has an adverse reaction propensity.
Short | A specific allergen or other agent/substance (drug, food, chemical agent, etc.) to which the patient has an adverse reaction propensity.
Control | 1..1
Binding | SNOMED CT, ATC, EMA SPOR SMS
Type | CodeableConcept