EHDS Logical Information Models
0.2.1 - qa-preview

EHDS Logical Information Models, published by Xt-EHR. This guide is not an authorized publication; it is the continuous build for version 0.2.1 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/ and changes regularly. See the Directory of published versions

Logical Model: EHDSSocialHistory - Detailed Descriptions

Draft as of 2026-02-05

Definitions for the EHDSSocialHistory logical model.

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

0. EHDSSocialHistory
Definition

EHDS model for social history observations


Base definition for all types defined in FHIR type system.

ShortSocial history modelBase for all types and resources
Control0..*
Is Modifierfalse
Logical ModelInstances of this logical model are not marked to be the target of a Reference
2. EHDSSocialHistory.header
Definition

Basic metadata for this information

ShortBasic metadata for this information
Control1..1
TypeBase
4. EHDSSocialHistory.header.subject
Definition

Patient/subject information

ShortPatient/subject information
Control1..1
Typehttp://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSPatient
6. EHDSSocialHistory.header.identifier
Definition

Business identifier for the object, unique within its system. Supporting disambiguation between different contexts (systems/countries).

ShortBusiness identifier for the object, unique within its system. Supporting disambiguation between different contexts (systems/countries).
NoteThis is a business identifier, not a resource identifier (see discussion)
Control0..*
TypeIdentifier
8. EHDSSocialHistory.header.author[x]
Definition

Author(s) responsible for the provided information. The exact role of the responsible author varies across use cases and is specific to individual models.

ShortAuthor(s) responsible for the provided information.
Control0..*
TypeChoice of: http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSHealthProfessional, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSOrganisation, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSDevice
[x] NoteSeeChoice of Data Typesfor further information about how to use [x]
10. EHDSSocialHistory.header.date
Definition

Date and optionally time of authoring/issuing

ShortDate and optionally time of authoring/issuing
Control0..1
TypedateTime
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
12. EHDSSocialHistory.header.status
Definition

Status of the resource or document

ShortStatus of the resource or document
Control1..1
TypeCodeableConcept
14. EHDSSocialHistory.header.source
Definition

Source of information (e.g. patient, patient's proxy). Used in case the patient has authored the information or the author has submitted patient-stated information.

ShortSource of information (e.g. patient, patient's proxy). Used in case the patient has authored the information or the author has submitted patient-stated information.
Control0..1
TypeCodeableConcept
16. EHDSSocialHistory.header.language
Definition

Language in which the resource is written. Language is expressed by the IETF language tag.

ShortLanguage in which the resource is written. Language is expressed by the IETF language tag.
Control0..1
Binding

BCP 47

TypeCodeableConcept
18. EHDSSocialHistory.description
Definition

Textual description of the social history.

ShortTextual description of the social history.
Control0..1
Typestring
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
Requirements

eHN PS Guideline, MyHealth@EU, ISO IPS

20. EHDSSocialHistory.observation
Definition

Health related lifestyle factors or lifestyle observations and social determinants of health. Example: cigarette smoker, alcohol consumption

ShortSocial history observations related to health
Control0..1
Typehttp://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSObservation
Requirements

eHN PS Guideline, MyHealth@EU, ISO IPS

22. EHDSSocialHistory.referencePeriod
Definition

Example: from 1974 to 2004

ShortReference date range
Control0..1
TypePeriod
Requirements

eHN PS Guideline, MyHealth@EU, ISO IPS

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

0. EHDSSocialHistory
Definition

EHDS model for social history observations

ShortSocial history model
Logical ModelInstances of this logical model are not marked to be the target of a Reference
2. EHDSSocialHistory.description
Definition

Textual description of the social history.

ShortTextual description of the social history.
Control0..1
Typestring
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
Requirements

eHN PS Guideline, MyHealth@EU, ISO IPS

4. EHDSSocialHistory.observation
Definition

Health related lifestyle factors or lifestyle observations and social determinants of health. Example: cigarette smoker, alcohol consumption

ShortSocial history observations related to health
Control0..1
Typehttp://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSObservation
Requirements

eHN PS Guideline, MyHealth@EU, ISO IPS

6. EHDSSocialHistory.referencePeriod
Definition

Example: from 1974 to 2004

ShortReference date range
Control0..1
TypePeriod
Requirements

eHN PS Guideline, MyHealth@EU, ISO IPS

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

0. EHDSSocialHistory
Definition

EHDS model for social history observations

ShortSocial history model
Control0..*
Is Modifierfalse
Logical ModelInstances of this logical model are not marked to be the target of a Reference
2. EHDSSocialHistory.header
Definition

Basic metadata for this information

ShortBasic metadata for this information
Control1..1
TypeBase
4. EHDSSocialHistory.header.subject
Definition

Patient/subject information

ShortPatient/subject information
Control1..1
Typehttp://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSPatient
6. EHDSSocialHistory.header.identifier
Definition

Business identifier for the object, unique within its system. Supporting disambiguation between different contexts (systems/countries).

ShortBusiness identifier for the object, unique within its system. Supporting disambiguation between different contexts (systems/countries).
NoteThis is a business identifier, not a resource identifier (see discussion)
Control0..*
TypeIdentifier
8. EHDSSocialHistory.header.author[x]
Definition

Author(s) responsible for the provided information. The exact role of the responsible author varies across use cases and is specific to individual models.

ShortAuthor(s) responsible for the provided information.
Control0..*
TypeChoice of: http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSHealthProfessional, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSOrganisation, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSDevice
[x] NoteSeeChoice of Data Typesfor further information about how to use [x]
10. EHDSSocialHistory.header.date
Definition

Date and optionally time of authoring/issuing

ShortDate and optionally time of authoring/issuing
Control0..1
TypedateTime
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
12. EHDSSocialHistory.header.status
Definition

Status of the resource or document

ShortStatus of the resource or document
Control1..1
TypeCodeableConcept
14. EHDSSocialHistory.header.source
Definition

Source of information (e.g. patient, patient's proxy). Used in case the patient has authored the information or the author has submitted patient-stated information.

ShortSource of information (e.g. patient, patient's proxy). Used in case the patient has authored the information or the author has submitted patient-stated information.
Control0..1
TypeCodeableConcept
16. EHDSSocialHistory.header.language
Definition

Language in which the resource is written. Language is expressed by the IETF language tag.

ShortLanguage in which the resource is written. Language is expressed by the IETF language tag.
Control0..1
Binding

BCP 47

TypeCodeableConcept
18. EHDSSocialHistory.description
Definition

Textual description of the social history.

ShortTextual description of the social history.
Control0..1
Typestring
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
Requirements

eHN PS Guideline, MyHealth@EU, ISO IPS

20. EHDSSocialHistory.observation
Definition

Health related lifestyle factors or lifestyle observations and social determinants of health. Example: cigarette smoker, alcohol consumption

ShortSocial history observations related to health
Control0..1
Typehttp://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSObservation
Requirements

eHN PS Guideline, MyHealth@EU, ISO IPS

22. EHDSSocialHistory.referencePeriod
Definition

Example: from 1974 to 2004

ShortReference date range
Control0..1
TypePeriod
Requirements

eHN PS Guideline, MyHealth@EU, ISO IPS