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: EHDSDocument - Detailed Descriptions

Draft as of 2025-12-03

Definitions for the EHDSDocument 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. EHDSDocument
Definition | EHDS refined base model for common document data elements, including the common header. Data relevant to document type and its content for administrative and searching purposes. Base definition for all types defined in FHIR type system.
Short | Document 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. EHDSDocument.header
Definition | Common header for all patient-related data
Short | Document header elements
Control | 1..1
Type | Base
4. EHDSDocument.header.subject
Definition | Patient/subject information
Short | Patient/subject information
Control | 1..1
Type | http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSPatient
6. EHDSDocument.header.identifier
Definition | Business identifier for the object
Short | Unique identifier of the document
Note | This is a business identifier, not a resource identifier (see discussion)
Control | 1..*
Type | Identifier
8. EHDSDocument.header.authorship
Definition | Resource authoring details
Short | Resource authoring details
Control | 1..*
Type | Base
10. EHDSDocument.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. EHDSDocument.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. EHDSDocument.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. EHDSDocument.header.status
Definition | Status of the resource or document
Short | Status of the resource or document
Control | 1..1
Type | CodeableConcept
18. EHDSDocument.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. EHDSDocument.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. EHDSDocument.header.documentType
Definition | Type of document at hand, e.g. 60591-5 Patient summary document.
Short | Type of document at hand, e.g. 60591-5 Patient summary document.
Control | 1..1
Binding | LOINC
Type | CodeableConcept
24. EHDSDocument.header.documentTitle
Definition | Human readable document title that can be displayed in search results, etc. This can be documentType's display name, or it can be assembled from multiple elements. Examples: 'Laboratory Result Report', 'Patient Summary of Jane Green 10.12.2024'
Short | Human readable document title that can be displayed in search results, etc. This can be documentType's display name, or it can be assembled from multiple elements. Examples: 'Laboratory Result Report', 'Patient Summary of Jane Green 10.12.2024'
Control | 1..1
Type | string
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
26. EHDSDocument.header.period
Definition | Time of service that is being documented
Short | Time of service that is being documented
Control | 0..1
Type | Period
28. EHDSDocument.header.version
Definition | Business version of the document.
Short | Business version of the document.
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
30. EHDSDocument.header.attestation
Definition | Document attestation details
Short | Document attestation details
Control | 0..*
Type | Base
32. EHDSDocument.header.attestation.attester[x]
Definition | Attester who validated the document. Multiple attesters could be provided.
Short | Attester who validated the document. Multiple attesters 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/EHDSDevice
[x] Note | SeeChoice of Data Typesfor further information about how to use [x]
34. EHDSDocument.header.attestation.datetime
Definition | Date and time of the approval of the document by Attester.
Short | Date and time of the approval of the document by Attester.
Control | 1..1
Type | dateTime
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
36. EHDSDocument.header.legalAuthentication
Definition | Document legal authentication details
Short | Document legal authentication details
Control | 0..1
Type | Base
38. EHDSDocument.header.legalAuthentication.legalAuthenticator[x]
Definition | The person or organization taking responsibility for the medical content of the document
Short | The person or organization taking responsibility for the medical content of the document
Control | 1..1
Type | Choice of: http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSHealthProfessional, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSOrganisation
[x] Note | SeeChoice of Data Typesfor further information about how to use [x]
40. EHDSDocument.header.legalAuthentication.datetime
Definition | Date and time when the document was authorised.
Short | Date and time when the document was authorised.
Control | 1..1
Type | dateTime
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
42. EHDSDocument.header.eventType
Definition | Categorisation of the event covered by the document (e.g. laboratory study types, imaging study types including modality, etc.). Selection of such tags or labels depends on the use case and agreement between data sharing parties. This meta-data element serves primarily for searching and filtering purposes.
Short | Categorisation of the event covered by the document (e.g. laboratory study types, imaging study types including modality, etc.). Selection of such tags or labels depends on the use case and agreement between data sharing parties. This meta-data element serves primarily for searching and filtering purposes.
Control | 0..*
Binding | LOINC, SNOMED CT, dicom-cid-33-Modality
Type | CodeableConcept
44. EHDSDocument.header.serviceSpecialty
Definition | Additional details about where the content was created (e.g. clinical specialty)
Short | Additional details about where the content was created (e.g. clinical specialty)
Control | 0..*
Binding | SNOMED CT
Type | CodeableConcept
46. EHDSDocument.header.custodian
Definition | Organisation that is in charge of maintaining the document/report.
Short | Organisation that is in charge of maintaining the document/report.
Control | 0..1
Type | http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSOrganisation
48. EHDSDocument.header.confidentiality
Definition | Level of confidentiality of the document. Implicit value is normal.
Short | Level of confidentiality of the document. Implicit value is normal.
Control | 0..1
Binding | hl7:Confidentiality
Type | CodeableConcept
50. EHDSDocument.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 | http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSAttachment

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

0. EHDSDocument
Definition | EHDS refined base model for common document data elements, including the common header. Data relevant to document type and its content for administrative and searching purposes.
Short | Document model
Logical Model | Instances of this logical model are not marked to be the target of a Reference
2. EHDSDocument.header
Short | Document header elements
4. EHDSDocument.header.identifier
Short | Unique identifier of the document
Note | This is a business identifier, not a resource identifier (see discussion)
Control | 1..?
6. EHDSDocument.header.documentType
Definition | Type of document at hand, e.g. 60591-5 Patient summary document.
Short | Type of document at hand, e.g. 60591-5 Patient summary document.
Control | 1..1
Binding | LOINC
Type | CodeableConcept
8. EHDSDocument.header.documentTitle
Definition | Human readable document title that can be displayed in search results, etc. This can be documentType's display name, or it can be assembled from multiple elements. Examples: 'Laboratory Result Report', 'Patient Summary of Jane Green 10.12.2024'
Short | Human readable document title that can be displayed in search results, etc. This can be documentType's display name, or it can be assembled from multiple elements. Examples: 'Laboratory Result Report', 'Patient Summary of Jane Green 10.12.2024'
Control | 1..1
Type | string
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
10. EHDSDocument.header.period
Definition | Time of service that is being documented
Short | Time of service that is being documented
Control | 0..1
Type | Period
12. EHDSDocument.header.version
Definition | Business version of the document.
Short | Business version of the document.
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
14. EHDSDocument.header.attestation
Definition | Document attestation details
Short | Document attestation details
Control | 0..*
Type | Base
16. EHDSDocument.header.attestation.attester[x]
Definition | Attester who validated the document. Multiple attesters could be provided.
Short | Attester who validated the document. Multiple attesters 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/EHDSDevice
[x] Note | SeeChoice of Data Typesfor further information about how to use [x]
18. EHDSDocument.header.attestation.datetime
Definition | Date and time of the approval of the document by Attester.
Short | Date and time of the approval of the document by Attester.
Control | 1..1
Type | dateTime
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
20. EHDSDocument.header.legalAuthentication
Definition | Document legal authentication details
Short | Document legal authentication details
Control | 0..1
Type | Base
22. EHDSDocument.header.legalAuthentication.legalAuthenticator[x]
Definition | The person or organization taking responsibility for the medical content of the document
Short | The person or organization taking responsibility for the medical content of the document
Control | 1..1
Type | Choice of: http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSHealthProfessional, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSOrganisation
[x] Note | SeeChoice of Data Typesfor further information about how to use [x]
24. EHDSDocument.header.legalAuthentication.datetime
Definition | Date and time when the document was authorised.
Short | Date and time when the document was authorised.
Control | 1..1
Type | dateTime
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
26. EHDSDocument.header.eventType
Definition | Categorisation of the event covered by the document (e.g. laboratory study types, imaging study types including modality, etc.). Selection of such tags or labels depends on the use case and agreement between data sharing parties. This meta-data element serves primarily for searching and filtering purposes.
Short | Categorisation of the event covered by the document (e.g. laboratory study types, imaging study types including modality, etc.). Selection of such tags or labels depends on the use case and agreement between data sharing parties. This meta-data element serves primarily for searching and filtering purposes.
Control | 0..*
Binding | LOINC, SNOMED CT, dicom-cid-33-Modality
Type | CodeableConcept
28. EHDSDocument.header.serviceSpecialty
Definition | Additional details about where the content was created (e.g. clinical specialty)
Short | Additional details about where the content was created (e.g. clinical specialty)
Control | 0..*
Binding | SNOMED CT
Type | CodeableConcept
30. EHDSDocument.header.custodian
Definition | Organisation that is in charge of maintaining the document/report.
Short | Organisation that is in charge of maintaining the document/report.
Control | 0..1
Type | http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSOrganisation
32. EHDSDocument.header.confidentiality
Definition | Level of confidentiality of the document. Implicit value is normal.
Short | Level of confidentiality of the document. Implicit value is normal.
Control | 0..1
Binding | hl7:Confidentiality
Type | CodeableConcept
34. EHDSDocument.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 | http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSAttachment

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

0. EHDSDocument
Definition | EHDS refined base model for common document data elements, including the common header. Data relevant to document type and its content for administrative and searching purposes.
Short | Document model
Control | 0..*
Is Modifier | false
Logical Model | Instances of this logical model are not marked to be the target of a Reference
2. EHDSDocument.header
Definition | Common header for all patient-related data
Short | Document header elements
Control | 1..1
Type | Base
4. EHDSDocument.header.subject
Definition | Patient/subject information
Short | Patient/subject information
Control | 1..1
Type | http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSPatient
6. EHDSDocument.header.identifier
Definition | Business identifier for the object
Short | Unique identifier of the document
Note | This is a business identifier, not a resource identifier (see discussion)
Control | 1..*
Type | Identifier
8. EHDSDocument.header.authorship
Definition | Resource authoring details
Short | Resource authoring details
Control | 1..*
Type | Base
10. EHDSDocument.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. EHDSDocument.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. EHDSDocument.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. EHDSDocument.header.status
Definition | Status of the resource or document
Short | Status of the resource or document
Control | 1..1
Type | CodeableConcept
18. EHDSDocument.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. EHDSDocument.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. EHDSDocument.header.documentType
Definition | Type of document at hand, e.g. 60591-5 Patient summary document.
Short | Type of document at hand, e.g. 60591-5 Patient summary document.
Control | 1..1
Binding | LOINC
Type | CodeableConcept
24. EHDSDocument.header.documentTitle
Definition | Human readable document title that can be displayed in search results, etc. This can be documentType's display name, or it can be assembled from multiple elements. Examples: 'Laboratory Result Report', 'Patient Summary of Jane Green 10.12.2024'
Short | Human readable document title that can be displayed in search results, etc. This can be documentType's display name, or it can be assembled from multiple elements. Examples: 'Laboratory Result Report', 'Patient Summary of Jane Green 10.12.2024'
Control | 1..1
Type | string
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
26. EHDSDocument.header.period
Definition | Time of service that is being documented
Short | Time of service that is being documented
Control | 0..1
Type | Period
28. EHDSDocument.header.version
Definition | Business version of the document.
Short | Business version of the document.
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
30. EHDSDocument.header.attestation
Definition | Document attestation details
Short | Document attestation details
Control | 0..*
Type | Base
32. EHDSDocument.header.attestation.attester[x]
Definition | Attester who validated the document. Multiple attesters could be provided.
Short | Attester who validated the document. Multiple attesters 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/EHDSDevice
[x] Note | SeeChoice of Data Typesfor further information about how to use [x]
34. EHDSDocument.header.attestation.datetime
Definition | Date and time of the approval of the document by Attester.
Short | Date and time of the approval of the document by Attester.
Control | 1..1
Type | dateTime
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
36. EHDSDocument.header.legalAuthentication
Definition | Document legal authentication details
Short | Document legal authentication details
Control | 0..1
Type | Base
38. EHDSDocument.header.legalAuthentication.legalAuthenticator[x]
Definition | The person or organization taking responsibility for the medical content of the document
Short | The person or organization taking responsibility for the medical content of the document
Control | 1..1
Type | Choice of: http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSHealthProfessional, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSOrganisation
[x] Note | SeeChoice of Data Typesfor further information about how to use [x]
40. EHDSDocument.header.legalAuthentication.datetime
Definition | Date and time when the document was authorised.
Short | Date and time when the document was authorised.
Control | 1..1
Type | dateTime
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
42. EHDSDocument.header.eventType
Definition | Categorisation of the event covered by the document (e.g. laboratory study types, imaging study types including modality, etc.). Selection of such tags or labels depends on the use case and agreement between data sharing parties. This meta-data element serves primarily for searching and filtering purposes.
Short | Categorisation of the event covered by the document (e.g. laboratory study types, imaging study types including modality, etc.). Selection of such tags or labels depends on the use case and agreement between data sharing parties. This meta-data element serves primarily for searching and filtering purposes.
Control | 0..*
Binding | LOINC, SNOMED CT, dicom-cid-33-Modality
Type | CodeableConcept
44. EHDSDocument.header.serviceSpecialty
Definition | Additional details about where the content was created (e.g. clinical specialty)
Short | Additional details about where the content was created (e.g. clinical specialty)
Control | 0..*
Binding | SNOMED CT
Type | CodeableConcept
46. EHDSDocument.header.custodian
Definition | Organisation that is in charge of maintaining the document/report.
Short | Organisation that is in charge of maintaining the document/report.
Control | 0..1
Type | http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSOrganisation
48. EHDSDocument.header.confidentiality
Definition | Level of confidentiality of the document. Implicit value is normal.
Short | Level of confidentiality of the document. Implicit value is normal.
Control | 0..1
Binding | hl7:Confidentiality
Type | CodeableConcept
50. EHDSDocument.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 | http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSAttachment