EHDS Logical Information Models
0.3.0 - qa-preview

EHDS Logical Information Models, published by Xt-EHR. This guide is not an authorized publication; it is the continuous build for version 0.3.0 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/ and changes regularly. See the Directory of published versions

Logical Model: EHDSAdvanceDirective - Detailed Descriptions

Draft as of 2026-02-09

Definitions for the EHDSAdvanceDirective logical model.

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

0. EHDSAdvanceDirective
Definition

Healthcare directives concerning life or after life wishes of the patient


Base definition for all types defined in FHIR type system.

ShortAdvance directive 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. EHDSAdvanceDirective.header
Definition

Basic metadata for this information

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

Patient/subject information

ShortPatient/subject information
Control1..1
Typehttp://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSPatient
6. EHDSAdvanceDirective.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. EHDSAdvanceDirective.header.author[x]
Definition

Author of the advance directive.

ShortAuthor of the advance directive.
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. EHDSAdvanceDirective.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. EHDSAdvanceDirective.header.status
Definition

Status of the resource or document

ShortStatus of the resource or document
Control1..1
TypeCodeableConcept
14. EHDSAdvanceDirective.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. EHDSAdvanceDirective.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. EHDSAdvanceDirective.category
Definition

Categories of directives related to decisions prior and after death, such as life support, resuscitation or organ donation.

ShortCategories of directives related to decisions prior and after death, such as life support, resuscitation or organ donation.
Control0..*
Binding

SNOMED CT

TypeCodeableConcept
Requirements

ISO IPS

20. EHDSAdvanceDirective.note
Definition

Textual description of the directive

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

eHN PS and HDR Guidelines, MyHealth@EU, ISO IPS

22. EHDSAdvanceDirective.attachment
Definition

Source document, such as a PDF, with the living will and the patient's signature.

ShortSource document, such as a PDF, with the living will and the patient's signature.
Control0..1
Typehttp://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSAttachment
Requirements

eHN HDR Guideline, ISO IPS

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

0. EHDSAdvanceDirective
Definition

Healthcare directives concerning life or after life wishes of the patient

ShortAdvance directive model
Logical ModelInstances of this logical model are not marked to be the target of a Reference
2. EHDSAdvanceDirective.header
4. EHDSAdvanceDirective.header.author[x]
Definition

Author of the advance directive.

ShortAuthor of the advance directive.
[x] NoteSeeChoice of Data Typesfor further information about how to use [x]
6. EHDSAdvanceDirective.category
Definition

Categories of directives related to decisions prior and after death, such as life support, resuscitation or organ donation.

ShortCategories of directives related to decisions prior and after death, such as life support, resuscitation or organ donation.
Control0..*
Binding

SNOMED CT

TypeCodeableConcept
Requirements

ISO IPS

8. EHDSAdvanceDirective.note
Definition

Textual description of the directive

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

eHN PS and HDR Guidelines, MyHealth@EU, ISO IPS

10. EHDSAdvanceDirective.attachment
Definition

Source document, such as a PDF, with the living will and the patient's signature.

ShortSource document, such as a PDF, with the living will and the patient's signature.
Control0..1
Typehttp://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSAttachment
Requirements

eHN HDR Guideline, ISO IPS

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

0. EHDSAdvanceDirective
Definition

Healthcare directives concerning life or after life wishes of the patient

ShortAdvance directive model
Control0..*
Is Modifierfalse
Logical ModelInstances of this logical model are not marked to be the target of a Reference
2. EHDSAdvanceDirective.header
Definition

Basic metadata for this information

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

Patient/subject information

ShortPatient/subject information
Control1..1
Typehttp://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSPatient
6. EHDSAdvanceDirective.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. EHDSAdvanceDirective.header.author[x]
Definition

Author of the advance directive.

ShortAuthor of the advance directive.
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. EHDSAdvanceDirective.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. EHDSAdvanceDirective.header.status
Definition

Status of the resource or document

ShortStatus of the resource or document
Control1..1
TypeCodeableConcept
14. EHDSAdvanceDirective.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. EHDSAdvanceDirective.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. EHDSAdvanceDirective.category
Definition

Categories of directives related to decisions prior and after death, such as life support, resuscitation or organ donation.

ShortCategories of directives related to decisions prior and after death, such as life support, resuscitation or organ donation.
Control0..*
Binding

SNOMED CT

TypeCodeableConcept
Requirements

ISO IPS

20. EHDSAdvanceDirective.note
Definition

Textual description of the directive

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

eHN PS and HDR Guidelines, MyHealth@EU, ISO IPS

22. EHDSAdvanceDirective.attachment
Definition

Source document, such as a PDF, with the living will and the patient's signature.

ShortSource document, such as a PDF, with the living will and the patient's signature.
Control0..1
Typehttp://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSAttachment
Requirements

eHN HDR Guideline, ISO IPS