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-D7-3 and changes regularly. See the Directory of published versions

## Logical Model: EHDSDeviceUse - Detailed Descriptions

Draft as of 2025-08-25

Definitions for the EHDSDeviceUse 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. EHDSDeviceUse
Definition | EHDS refined base model for device use information Base definition for all types defined in FHIR type system.
Short | Device use 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. EHDSDeviceUse.header
Definition | Common header for all patient-related data
Short | Common header for all patient-related data
Control | 1..1
Type | Base
4. EHDSDeviceUse.header.subject
Definition | Patient/subject information
Short | Subject
Control | 1..1
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSPatient
6. EHDSDeviceUse.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. EHDSDeviceUse.header.authorship
Definition | Resource authoring details
Short | Authorship
Control | 1..*
Type | Base
10. EHDSDeviceUse.header.authorship.author[x]
Definition | Author(s) by whom the resource was/were authored. Multiple authors could be provided.
Short | Author
Control | 1..1
Type | Choice of: https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSHealthProfessional, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSOrganisation, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSDevice
[x] Note | SeeChoice of Data Typesfor further information about how to use [x]
12. EHDSDeviceUse.header.authorship.datetime
Definition | Date and time of the issuing the document/resource by its author.
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. EHDSDeviceUse.header.lastUpdate
Definition | Date and time of the last update to the document/information
Short | Date and time of the last update to the resource
Control | 0..1
Type | dateTime
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
16. EHDSDeviceUse.header.status
Definition | Status of the resource
Short | Current status of the device usage.
Control | 1..1
Binding | HL7 device-statement-status
Type | CodeableConcept
18. EHDSDeviceUse.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. EHDSDeviceUse.header.language
Definition | Language in which the resource is written. Language is expressed by the IETF language tag.
Short | Language
Control | 0..1
Binding | BCP 47
Type | CodeableConcept
22. EHDSDeviceUse.header.version
Definition | Business version of the resource.
Short | Version
Note | This is a business version Id, not a resource version Id (see discussion)
Control | 0..1
Type | string
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
24. EHDSDeviceUse.presentedForm
Definition | A narrative easy-to-read representation of the full data set, e.g. PDF-version of a document
Short | A narrative easy-to-read representation of the full data set, e.g. PDF-version of a document
Control | 0..*
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSAttachment
26. EHDSDeviceUse.startDate
Definition | Date when the device was implantable to the patient or the external device was first in use.
Short | Date when the device was implantable to the patient or the external device was first in use.
Control | 0..1
Type | dateTime
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
Requirements | eHN PS Guideline, ISO IPS.
28. EHDSDeviceUse.endDate
Definition | Date when the device was explanted from the patient or the external device was no longer in use.
Short | Date when the device was explanted from the patient or the external device was no longer in use.
Control | 0..1
Type | dateTime
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
Requirements | eHN PS Guideline, ISO IPS.
30. EHDSDeviceUse.device[x]
Definition | The details of the device used.
Short | The details of the device used.
Control | 1..1
Type | Choice of: CodeableConcept, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSDevice
[x] Note | SeeChoice of Data Typesfor further information about how to use [x]
Requirements | eHN PS Guideline, ISO IPS.
32. EHDSDeviceUse.bodySite
Definition | Anatomical location of the device. May include laterality.
Short | Anatomical location of the device. May include laterality.
Control | 0..1
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSBodyStructure
Requirements | eHN PS Guideline, ISO IPS.
34. EHDSDeviceUse.reason[x]
Definition | Reason or justification for the use of the device.
Short | Reason or justification for the use of the device.
Control | 0..*
Type | Choice of: CodeableConcept, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSCondition, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSObservation, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSProcedure
[x] Note | SeeChoice of Data Typesfor further information about how to use [x]
Requirements | eHN PS Guideline, ISO IPS.
36. EHDSDeviceUse.source[x]
Definition | Who reported the device was being used by the patient.
Short | Who reported the device was being used by the patient.
Control | 0..1
Type | Choice of: https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSPatient, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSHealthProfessional, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSRelatedPerson
[x] Note | SeeChoice of Data Typesfor further information about how to use [x]
38. EHDSDeviceUse.note
Definition | Note about the device statement that were not represented at all or sufficiently in one of the attributes provided in a class. These may include for example a comment, an instruction, or a note associated with the statement.
Short | Note about the device statement that were not represented at all or sufficiently in one of the attributes provided in a class. These may include for example a comment, an instruction, or a note associated with the statement.
Control | 0..*
Type | string
Primitive Value | This primitive element may be present, or absent, or replaced by an extension

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

0. EHDSDeviceUse
Definition | EHDS refined base model for device use information
Short | Device use model
Logical Model | Instances of this logical model are not marked to be the target of a Reference
2. EHDSDeviceUse.header
4. EHDSDeviceUse.header.status
Short | Current status of the device usage.
Binding | HL7 device-statement-status
6. EHDSDeviceUse.startDate
Definition | Date when the device was implantable to the patient or the external device was first in use.
Short | Date when the device was implantable to the patient or the external device was first in use.
Control | 0..1
Type | dateTime
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
Requirements | eHN PS Guideline, ISO IPS.
8. EHDSDeviceUse.endDate
Definition | Date when the device was explanted from the patient or the external device was no longer in use.
Short | Date when the device was explanted from the patient or the external device was no longer in use.
Control | 0..1
Type | dateTime
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
Requirements | eHN PS Guideline, ISO IPS.
10. EHDSDeviceUse.device[x]
Definition | The details of the device used.
Short | The details of the device used.
Control | 1..1
Type | Choice of: CodeableConcept, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSDevice
[x] Note | SeeChoice of Data Typesfor further information about how to use [x]
Requirements | eHN PS Guideline, ISO IPS.
12. EHDSDeviceUse.bodySite
Definition | Anatomical location of the device. May include laterality.
Short | Anatomical location of the device. May include laterality.
Control | 0..1
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSBodyStructure
Requirements | eHN PS Guideline, ISO IPS.
14. EHDSDeviceUse.reason[x]
Definition | Reason or justification for the use of the device.
Short | Reason or justification for the use of the device.
Control | 0..*
Type | Choice of: CodeableConcept, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSCondition, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSObservation, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSProcedure
[x] Note | SeeChoice of Data Typesfor further information about how to use [x]
Requirements | eHN PS Guideline, ISO IPS.
16. EHDSDeviceUse.source[x]
Definition | Who reported the device was being used by the patient.
Short | Who reported the device was being used by the patient.
Control | 0..1
Type | Choice of: https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSPatient, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSHealthProfessional, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSRelatedPerson
[x] Note | SeeChoice of Data Typesfor further information about how to use [x]
18. EHDSDeviceUse.note
Definition | Note about the device statement that were not represented at all or sufficiently in one of the attributes provided in a class. These may include for example a comment, an instruction, or a note associated with the statement.
Short | Note about the device statement that were not represented at all or sufficiently in one of the attributes provided in a class. These may include for example a comment, an instruction, or a note associated with the statement.
Control | 0..*
Type | string
Primitive Value | This primitive element may be present, or absent, or replaced by an extension

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

0. EHDSDeviceUse
Definition | EHDS refined base model for device use information
Short | Device use model
Control | 0..*
Is Modifier | false
Logical Model | Instances of this logical model are not marked to be the target of a Reference
2. EHDSDeviceUse.header
Definition | Common header for all patient-related data
Short | Common header for all patient-related data
Control | 1..1
Type | Base
4. EHDSDeviceUse.header.subject
Definition | Patient/subject information
Short | Subject
Control | 1..1
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSPatient
6. EHDSDeviceUse.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. EHDSDeviceUse.header.authorship
Definition | Resource authoring details
Short | Authorship
Control | 1..*
Type | Base
10. EHDSDeviceUse.header.authorship.author[x]
Definition | Author(s) by whom the resource was/were authored. Multiple authors could be provided.
Short | Author
Control | 1..1
Type | Choice of: https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSHealthProfessional, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSOrganisation, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSDevice
[x] Note | SeeChoice of Data Typesfor further information about how to use [x]
12. EHDSDeviceUse.header.authorship.datetime
Definition | Date and time of the issuing the document/resource by its author.
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. EHDSDeviceUse.header.lastUpdate
Definition | Date and time of the last update to the document/information
Short | Date and time of the last update to the resource
Control | 0..1
Type | dateTime
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
16. EHDSDeviceUse.header.status
Definition | Status of the resource
Short | Current status of the device usage.
Control | 1..1
Binding | HL7 device-statement-status
Type | CodeableConcept
18. EHDSDeviceUse.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. EHDSDeviceUse.header.language
Definition | Language in which the resource is written. Language is expressed by the IETF language tag.
Short | Language
Control | 0..1
Binding | BCP 47
Type | CodeableConcept
22. EHDSDeviceUse.header.version
Definition | Business version of the resource.
Short | Version
Note | This is a business version Id, not a resource version Id (see discussion)
Control | 0..1
Type | string
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
24. EHDSDeviceUse.presentedForm
Definition | A narrative easy-to-read representation of the full data set, e.g. PDF-version of a document
Short | A narrative easy-to-read representation of the full data set, e.g. PDF-version of a document
Control | 0..*
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSAttachment
26. EHDSDeviceUse.startDate
Definition | Date when the device was implantable to the patient or the external device was first in use.
Short | Date when the device was implantable to the patient or the external device was first in use.
Control | 0..1
Type | dateTime
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
Requirements | eHN PS Guideline, ISO IPS.
28. EHDSDeviceUse.endDate
Definition | Date when the device was explanted from the patient or the external device was no longer in use.
Short | Date when the device was explanted from the patient or the external device was no longer in use.
Control | 0..1
Type | dateTime
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
Requirements | eHN PS Guideline, ISO IPS.
30. EHDSDeviceUse.device[x]
Definition | The details of the device used.
Short | The details of the device used.
Control | 1..1
Type | Choice of: CodeableConcept, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSDevice
[x] Note | SeeChoice of Data Typesfor further information about how to use [x]
Requirements | eHN PS Guideline, ISO IPS.
32. EHDSDeviceUse.bodySite
Definition | Anatomical location of the device. May include laterality.
Short | Anatomical location of the device. May include laterality.
Control | 0..1
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSBodyStructure
Requirements | eHN PS Guideline, ISO IPS.
34. EHDSDeviceUse.reason[x]
Definition | Reason or justification for the use of the device.
Short | Reason or justification for the use of the device.
Control | 0..*
Type | Choice of: CodeableConcept, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSCondition, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSObservation, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSProcedure
[x] Note | SeeChoice of Data Typesfor further information about how to use [x]
Requirements | eHN PS Guideline, ISO IPS.
36. EHDSDeviceUse.source[x]
Definition | Who reported the device was being used by the patient.
Short | Who reported the device was being used by the patient.
Control | 0..1
Type | Choice of: https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSPatient, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSHealthProfessional, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSRelatedPerson
[x] Note | SeeChoice of Data Typesfor further information about how to use [x]
38. EHDSDeviceUse.note
Definition | Note about the device statement that were not represented at all or sufficiently in one of the attributes provided in a class. These may include for example a comment, an instruction, or a note associated with the statement.
Short | Note about the device statement that were not represented at all or sufficiently in one of the attributes provided in a class. These may include for example a comment, an instruction, or a note associated with the statement.
Control | 0..*
Type | string
Primitive Value | This primitive element may be present, or absent, or replaced by an extension