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/costateixeira/xt-ehr-common/ and changes regularly. See the Directory of published versions

## Logical Model: EHDSAdvanceDirective - Detailed Descriptions

Draft as of 2025-12-03

Definitions for the EHDSAdvanceDirective logical model.

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

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.
Short | Advance directive 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. EHDSAdvanceDirective.header
Definition | Common header for all patient-related data
Short | Common header for all patient-related data
Control | 1..1
Type | Base
4. EHDSAdvanceDirective.header.subject
Definition | Patient/subject information
Short | Patient/subject information
Control | 1..1
Type | http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSPatient
6. EHDSAdvanceDirective.header.identifier
Definition | Business identifier for the object
Short | Business identifier for the object
Note | This is a business identifier, not a resource identifier (see discussion)
Control | 0..*
Type | Identifier
8. EHDSAdvanceDirective.header.authorship
Definition | Resource authoring details
Short | Resource authoring details
Control | 1..*
Type | Base
10. EHDSAdvanceDirective.header.authorship.author[x]
Definition | Author(s) by whom the resource was/were authored. Multiple authors could be provided.
Short | Author(s) by whom the resource was/were authored. Multiple authors could be provided.
Control | 1..1
Type | Choice 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] Note | SeeChoice of Data Typesfor further information about how to use [x]
12. EHDSAdvanceDirective.header.authorship.datetime
Definition | Date and time of authoring/issuing
Short | Date and time of authoring/issuing
Control | 1..1
Type | dateTime
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
14. EHDSAdvanceDirective.header.lastUpdate
Definition | Date and time of the last update to the resource (may be used for technical corrections).
Short | Date and time of the last update to the resource (may be used for technical corrections).
Control | 0..1
Type | dateTime
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
16. EHDSAdvanceDirective.header.status
Definition | Status of the resource or document
Short | Status of the resource or document
Control | 1..1
Type | CodeableConcept
18. EHDSAdvanceDirective.header.statusReason[x]
Definition | Reason for the current status of the resource.
Short | Reason for the current status of the resource.
Control | 0..1
Type | Choice of: CodeableConcept, string
[x] Note | SeeChoice of Data Typesfor further information about how to use [x]
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
20. EHDSAdvanceDirective.header.language
Definition | Language in which the resource is written. Language is expressed by the IETF language tag.
Short | Language in which the resource is written. Language is expressed by the IETF language tag.
Control | 0..1
Binding | BCP 47
Type | CodeableConcept
22. EHDSAdvanceDirective.category
Definition | Categories of Directives related to decisions prior and after death
Short | Categories of Directives related to decisions prior and after death
Comments | Examples: Intubation, Tube Feedings, Life Support, Cardiopulmonary resuscitation, Antibiotics, Resuscitation, Artificial respiration, Administration of medication, Transfusion, Transfer of care to hospital, Dialysis procedure, Negative declaration, Organ donation, Body donation, Intravenous infusion
Control | 0..*
Binding | SNOMED CT
Type | CodeableConcept
Requirements | ISO IPS
24. EHDSAdvanceDirective.narrative
Definition | Textual description of the directive
Short | Textual description of the directive
Control | 0..1
Type | string
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
Requirements | eHN PS and HDR Guidelines, MyHealth@EU, ISO IPS
26. EHDSAdvanceDirective.effectivePeriod
Definition | Time period during which the directive is effective
Short | Time period during which the directive is effective
Control | 0..1
Type | Period
Requirements | eHN HDR Guideline, ISO IPS
28. EHDSAdvanceDirective.authorisingEntity[x]
Definition | Person or organisation that authorizes the directive
Short | Person or organisation that authorizes the directive
Control | 0..1
Type | Choice of: http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSPatient, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSHealthProfessional, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSRelatedPerson, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSOrganisation
[x] Note | SeeChoice of Data Typesfor further information about how to use [x]
Requirements | ISO IPS
30. EHDSAdvanceDirective.relatedConditions[x]
Definition | The problem or disorder to which the living will applies. Multiple fields could be provided.
Short | The problem or disorder to which the living will applies. Multiple fields could be provided.
Control | 0..*
Binding | ICD-10, SNOMED CT, Orphacode
Type | CodeableConcept
[x] Note | SeeChoice of Data Typesfor further information about how to use [x]
Requirements | ISO IPS
32. EHDSAdvanceDirective.advanceDirectiveDocument
Definition | Scanned source document with the living will and the patient's signature, such as a PDF.
Short | Scanned source document with the living will and the patient's signature, such as a PDF.
Control | 0..1
Type | http://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
Short | Advance directive model
Logical Model | Instances of this logical model are not marked to be the target of a Reference
2. EHDSAdvanceDirective.category
Definition | Categories of Directives related to decisions prior and after death
Short | Categories of Directives related to decisions prior and after death
Comments | Examples: Intubation, Tube Feedings, Life Support, Cardiopulmonary resuscitation, Antibiotics, Resuscitation, Artificial respiration, Administration of medication, Transfusion, Transfer of care to hospital, Dialysis procedure, Negative declaration, Organ donation, Body donation, Intravenous infusion
Control | 0..*
Binding | SNOMED CT
Type | CodeableConcept
Requirements | ISO IPS
4. EHDSAdvanceDirective.narrative
Definition | Textual description of the directive
Short | Textual description of the directive
Control | 0..1
Type | string
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
Requirements | eHN PS and HDR Guidelines, MyHealth@EU, ISO IPS
6. EHDSAdvanceDirective.effectivePeriod
Definition | Time period during which the directive is effective
Short | Time period during which the directive is effective
Control | 0..1
Type | Period
Requirements | eHN HDR Guideline, ISO IPS
8. EHDSAdvanceDirective.authorisingEntity[x]
Definition | Person or organisation that authorizes the directive
Short | Person or organisation that authorizes the directive
Control | 0..1
Type | Choice of: http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSPatient, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSHealthProfessional, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSRelatedPerson, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSOrganisation
[x] Note | SeeChoice of Data Typesfor further information about how to use [x]
Requirements | ISO IPS
10. EHDSAdvanceDirective.relatedConditions[x]
Definition | The problem or disorder to which the living will applies. Multiple fields could be provided.
Short | The problem or disorder to which the living will applies. Multiple fields could be provided.
Control | 0..*
Binding | ICD-10, SNOMED CT, Orphacode
Type | CodeableConcept
[x] Note | SeeChoice of Data Typesfor further information about how to use [x]
Requirements | ISO IPS
12. EHDSAdvanceDirective.advanceDirectiveDocument
Definition | Scanned source document with the living will and the patient's signature, such as a PDF.
Short | Scanned source document with the living will and the patient's signature, such as a PDF.
Control | 0..1
Type | http://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
Short | Advance directive model
Control | 0..*
Is Modifier | false
Logical Model | Instances of this logical model are not marked to be the target of a Reference
2. EHDSAdvanceDirective.header
Definition | Common header for all patient-related data
Short | Common header for all patient-related data
Control | 1..1
Type | Base
4. EHDSAdvanceDirective.header.subject
Definition | Patient/subject information
Short | Patient/subject information
Control | 1..1
Type | http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSPatient
6. EHDSAdvanceDirective.header.identifier
Definition | Business identifier for the object
Short | Business identifier for the object
Note | This is a business identifier, not a resource identifier (see discussion)
Control | 0..*
Type | Identifier
8. EHDSAdvanceDirective.header.authorship
Definition | Resource authoring details
Short | Resource authoring details
Control | 1..*
Type | Base
10. EHDSAdvanceDirective.header.authorship.author[x]
Definition | Author(s) by whom the resource was/were authored. Multiple authors could be provided.
Short | Author(s) by whom the resource was/were authored. Multiple authors could be provided.
Control | 1..1
Type | Choice 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] Note | SeeChoice of Data Typesfor further information about how to use [x]
12. EHDSAdvanceDirective.header.authorship.datetime
Definition | Date and time of authoring/issuing
Short | Date and time of authoring/issuing
Control | 1..1
Type | dateTime
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
14. EHDSAdvanceDirective.header.lastUpdate
Definition | Date and time of the last update to the resource (may be used for technical corrections).
Short | Date and time of the last update to the resource (may be used for technical corrections).
Control | 0..1
Type | dateTime
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
16. EHDSAdvanceDirective.header.status
Definition | Status of the resource or document
Short | Status of the resource or document
Control | 1..1
Type | CodeableConcept
18. EHDSAdvanceDirective.header.statusReason[x]
Definition | Reason for the current status of the resource.
Short | Reason for the current status of the resource.
Control | 0..1
Type | Choice of: CodeableConcept, string
[x] Note | SeeChoice of Data Typesfor further information about how to use [x]
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
20. EHDSAdvanceDirective.header.language
Definition | Language in which the resource is written. Language is expressed by the IETF language tag.
Short | Language in which the resource is written. Language is expressed by the IETF language tag.
Control | 0..1
Binding | BCP 47
Type | CodeableConcept
22. EHDSAdvanceDirective.category
Definition | Categories of Directives related to decisions prior and after death
Short | Categories of Directives related to decisions prior and after death
Comments | Examples: Intubation, Tube Feedings, Life Support, Cardiopulmonary resuscitation, Antibiotics, Resuscitation, Artificial respiration, Administration of medication, Transfusion, Transfer of care to hospital, Dialysis procedure, Negative declaration, Organ donation, Body donation, Intravenous infusion
Control | 0..*
Binding | SNOMED CT
Type | CodeableConcept
Requirements | ISO IPS
24. EHDSAdvanceDirective.narrative
Definition | Textual description of the directive
Short | Textual description of the directive
Control | 0..1
Type | string
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
Requirements | eHN PS and HDR Guidelines, MyHealth@EU, ISO IPS
26. EHDSAdvanceDirective.effectivePeriod
Definition | Time period during which the directive is effective
Short | Time period during which the directive is effective
Control | 0..1
Type | Period
Requirements | eHN HDR Guideline, ISO IPS
28. EHDSAdvanceDirective.authorisingEntity[x]
Definition | Person or organisation that authorizes the directive
Short | Person or organisation that authorizes the directive
Control | 0..1
Type | Choice of: http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSPatient, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSHealthProfessional, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSRelatedPerson, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSOrganisation
[x] Note | SeeChoice of Data Typesfor further information about how to use [x]
Requirements | ISO IPS
30. EHDSAdvanceDirective.relatedConditions[x]
Definition | The problem or disorder to which the living will applies. Multiple fields could be provided.
Short | The problem or disorder to which the living will applies. Multiple fields could be provided.
Control | 0..*
Binding | ICD-10, SNOMED CT, Orphacode
Type | CodeableConcept
[x] Note | SeeChoice of Data Typesfor further information about how to use [x]
Requirements | ISO IPS
32. EHDSAdvanceDirective.advanceDirectiveDocument
Definition | Scanned source document with the living will and the patient's signature, such as a PDF.
Short | Scanned source document with the living will and the patient's signature, such as a PDF.
Control | 0..1
Type | http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSAttachment
Requirements | eHN HDR Guideline, ISO IPS