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-D6-1 and changes regularly. See the Directory of published versions

## Logical Model: EHDSDocument - Detailed Descriptions

Draft as of 2025-07-08

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 | Subject
Control | 1..1
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSPatient
6. EHDSDocument.header.identifier
Definition | Unique identifier of the document
Short | Document ID
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 | Authorship
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
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. EHDSDocument.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. EHDSDocument.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. EHDSDocument.header.status
Definition | Status of the resource
Short | Status of the resource
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
Control | 0..1
Binding | BCP 47
Type | CodeableConcept
22. EHDSDocument.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. 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 | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSAttachment
26. EHDSDocument.header.documentType
Definition | Identifies the type of document at hand, e.g. Hospital discharge report.
Short | Document type
Control | 1..1
Binding | LOINC
Type | CodeableConcept
28. EHDSDocument.header.documentTitle
Definition | Document title, such as Hospital Discharge Report, Laboratory Result Report, etc.
Short | Document title
Control | 1..1
Type | string
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
30. EHDSDocument.header.documentStatus
Definition | The status of the Hospital discharge report. E.g., preliminary, final.
Short | Document status
Control | 1..1
Binding | hl7:CompositionStatus
Type | CodeableConcept
32. EHDSDocument.header.period
Definition | Time of service that is being documented
Short | Period
Control | 0..1
Type | Period
34. EHDSDocument.header.attestation
Definition | Document attestation details
Short | Attestation
Control | 0..*
Type | Base
36. EHDSDocument.header.attestation.attester
Definition | Attester who validated the document. Mulitple attesters could be provided.
Short | Attester
Control | 1..1
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSHealthProfessional
38. EHDSDocument.header.attestation.datetime
Definition | Date and time of the approval of the document by Attester.
Short | DateTime
Control | 1..1
Type | dateTime
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
40. EHDSDocument.header.legalAuthentication
Definition | Document legal authentication
Short | Legal authentication
Control | 0..1
Type | Base
42. EHDSDocument.header.legalAuthentication.legalAuthenticator
Definition | The person taking responsibility for the medical content of the document
Short | Legal authenticator
Control | 1..1
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSHealthProfessional
44. EHDSDocument.header.legalAuthentication.datetime
Definition | Date and time when the document was authorised.
Short | DateTime
Control | 1..1
Type | dateTime
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
46. EHDSDocument.header.eventType
Definition | Categorization 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 betwen data sharing parties. This meta-data element serves primarily for searching and filtering purpuses.
Short | Event type
Control | 0..*
Binding | LOINC, SNOMED CT, dicom-cid-33-Modality
Type | CodeableConcept
48. EHDSDocument.header.authorSpecialty
Definition | Additional details about where the content was created (e.g. clinical specialty)
Short | Specialty
Control | 0..*
Binding | SNOMED CT
Type | CodeableConcept
50. EHDSDocument.header.custodian
Definition | Organisation that is in charge of maintaining the document/report.
Short | Document custodian
Control | 1..1
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSOrganisation
52. EHDSDocument.header.documentFormat
Definition | An identifier of the document constraints, encoding, structure, and template that the document conforms to beyond the base format indicated in the mimeType.
Short | Document format
Control | 0..1
Binding | HL7 Document Format Codes
Type | CodeableConcept
54. EHDSDocument.header.confidentiality
Definition | Level of confidentiality of the document. Implicit value is normal.
Short | Confidentiality
Control | 0..1
Binding | hl7:Confidentiality
Type | CodeableConcept
56. EHDSDocument.knowledgeResources
Definition | Related documents and information sources
Short | Related documents and information sources
Control | 0..*
Type | Base
58. EHDSDocument.knowledgeResources.externalReference
Definition | A reference leading to Clinical Practice Guidelines (CPG), emergency and anesthesia guidelines or other clinical relevant guidelines. This should be used only for providing specific guidance which may not be readily available to the health professional caring for the patient.
Short | Reference to external knowledge resource
Control | 0..*
Type | RelatedArtifact
60. EHDSDocument.knowledgeResources.relatedTo
Definition | Identify the entry or entries of this Patient Summary for which this additional information relates with, for example a link between a rare disease problem and guidelines for that particular rare disease.
Short | Reference to part of the patient summary
Control | 0..*
Type | Reference

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
Definition | Unique identifier of the document
Short | Document ID
Note | This is a business identifier, not a resource identifier (see discussion)
Control | 1..?
6. EHDSDocument.header.documentType
Definition | Identifies the type of document at hand, e.g. Hospital discharge report.
Short | Document type
Control | 1..1
Binding | LOINC
Type | CodeableConcept
8. EHDSDocument.header.documentTitle
Definition | Document title, such as Hospital Discharge Report, Laboratory Result Report, etc.
Short | Document title
Control | 1..1
Type | string
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
10. EHDSDocument.header.documentStatus
Definition | The status of the Hospital discharge report. E.g., preliminary, final.
Short | Document status
Control | 1..1
Binding | hl7:CompositionStatus
Type | CodeableConcept
12. EHDSDocument.header.period
Definition | Time of service that is being documented
Short | Period
Control | 0..1
Type | Period
14. EHDSDocument.header.attestation
Definition | Document attestation details
Short | Attestation
Control | 0..*
Type | Base
16. EHDSDocument.header.attestation.attester
Definition | Attester who validated the document. Mulitple attesters could be provided.
Short | Attester
Control | 1..1
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSHealthProfessional
18. EHDSDocument.header.attestation.datetime
Definition | Date and time of the approval of the document by Attester.
Short | DateTime
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
Short | Legal authentication
Control | 0..1
Type | Base
22. EHDSDocument.header.legalAuthentication.legalAuthenticator
Definition | The person taking responsibility for the medical content of the document
Short | Legal authenticator
Control | 1..1
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSHealthProfessional
24. EHDSDocument.header.legalAuthentication.datetime
Definition | Date and time when the document was authorised.
Short | DateTime
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 | Categorization 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 betwen data sharing parties. This meta-data element serves primarily for searching and filtering purpuses.
Short | Event type
Control | 0..*
Binding | LOINC, SNOMED CT, dicom-cid-33-Modality
Type | CodeableConcept
28. EHDSDocument.header.authorSpecialty
Definition | Additional details about where the content was created (e.g. clinical specialty)
Short | Specialty
Control | 0..*
Binding | SNOMED CT
Type | CodeableConcept
30. EHDSDocument.header.custodian
Definition | Organisation that is in charge of maintaining the document/report.
Short | Document custodian
Control | 1..1
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSOrganisation
32. EHDSDocument.header.documentFormat
Definition | An identifier of the document constraints, encoding, structure, and template that the document conforms to beyond the base format indicated in the mimeType.
Short | Document format
Control | 0..1
Binding | HL7 Document Format Codes
Type | CodeableConcept
34. EHDSDocument.header.confidentiality
Definition | Level of confidentiality of the document. Implicit value is normal.
Short | Confidentiality
Control | 0..1
Binding | hl7:Confidentiality
Type | CodeableConcept
36. EHDSDocument.knowledgeResources
Definition | Related documents and information sources
Short | Related documents and information sources
Control | 0..*
Type | Base
38. EHDSDocument.knowledgeResources.externalReference
Definition | A reference leading to Clinical Practice Guidelines (CPG), emergency and anesthesia guidelines or other clinical relevant guidelines. This should be used only for providing specific guidance which may not be readily available to the health professional caring for the patient.
Short | Reference to external knowledge resource
Control | 0..*
Type | RelatedArtifact
40. EHDSDocument.knowledgeResources.relatedTo
Definition | Identify the entry or entries of this Patient Summary for which this additional information relates with, for example a link between a rare disease problem and guidelines for that particular rare disease.
Short | Reference to part of the patient summary
Control | 0..*
Type | Reference

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 | Subject
Control | 1..1
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSPatient
6. EHDSDocument.header.identifier
Definition | Unique identifier of the document
Short | Document ID
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 | Authorship
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
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. EHDSDocument.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. EHDSDocument.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. EHDSDocument.header.status
Definition | Status of the resource
Short | Status of the resource
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
Control | 0..1
Binding | BCP 47
Type | CodeableConcept
22. EHDSDocument.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. 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 | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSAttachment
26. EHDSDocument.header.documentType
Definition | Identifies the type of document at hand, e.g. Hospital discharge report.
Short | Document type
Control | 1..1
Binding | LOINC
Type | CodeableConcept
28. EHDSDocument.header.documentTitle
Definition | Document title, such as Hospital Discharge Report, Laboratory Result Report, etc.
Short | Document title
Control | 1..1
Type | string
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
30. EHDSDocument.header.documentStatus
Definition | The status of the Hospital discharge report. E.g., preliminary, final.
Short | Document status
Control | 1..1
Binding | hl7:CompositionStatus
Type | CodeableConcept
32. EHDSDocument.header.period
Definition | Time of service that is being documented
Short | Period
Control | 0..1
Type | Period
34. EHDSDocument.header.attestation
Definition | Document attestation details
Short | Attestation
Control | 0..*
Type | Base
36. EHDSDocument.header.attestation.attester
Definition | Attester who validated the document. Mulitple attesters could be provided.
Short | Attester
Control | 1..1
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSHealthProfessional
38. EHDSDocument.header.attestation.datetime
Definition | Date and time of the approval of the document by Attester.
Short | DateTime
Control | 1..1
Type | dateTime
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
40. EHDSDocument.header.legalAuthentication
Definition | Document legal authentication
Short | Legal authentication
Control | 0..1
Type | Base
42. EHDSDocument.header.legalAuthentication.legalAuthenticator
Definition | The person taking responsibility for the medical content of the document
Short | Legal authenticator
Control | 1..1
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSHealthProfessional
44. EHDSDocument.header.legalAuthentication.datetime
Definition | Date and time when the document was authorised.
Short | DateTime
Control | 1..1
Type | dateTime
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
46. EHDSDocument.header.eventType
Definition | Categorization 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 betwen data sharing parties. This meta-data element serves primarily for searching and filtering purpuses.
Short | Event type
Control | 0..*
Binding | LOINC, SNOMED CT, dicom-cid-33-Modality
Type | CodeableConcept
48. EHDSDocument.header.authorSpecialty
Definition | Additional details about where the content was created (e.g. clinical specialty)
Short | Specialty
Control | 0..*
Binding | SNOMED CT
Type | CodeableConcept
50. EHDSDocument.header.custodian
Definition | Organisation that is in charge of maintaining the document/report.
Short | Document custodian
Control | 1..1
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSOrganisation
52. EHDSDocument.header.documentFormat
Definition | An identifier of the document constraints, encoding, structure, and template that the document conforms to beyond the base format indicated in the mimeType.
Short | Document format
Control | 0..1
Binding | HL7 Document Format Codes
Type | CodeableConcept
54. EHDSDocument.header.confidentiality
Definition | Level of confidentiality of the document. Implicit value is normal.
Short | Confidentiality
Control | 0..1
Binding | hl7:Confidentiality
Type | CodeableConcept
56. EHDSDocument.knowledgeResources
Definition | Related documents and information sources
Short | Related documents and information sources
Control | 0..*
Type | Base
58. EHDSDocument.knowledgeResources.externalReference
Definition | A reference leading to Clinical Practice Guidelines (CPG), emergency and anesthesia guidelines or other clinical relevant guidelines. This should be used only for providing specific guidance which may not be readily available to the health professional caring for the patient.
Short | Reference to external knowledge resource
Control | 0..*
Type | RelatedArtifact
60. EHDSDocument.knowledgeResources.relatedTo
Definition | Identify the entry or entries of this Patient Summary for which this additional information relates with, for example a link between a rare disease problem and guidelines for that particular rare disease.
Short | Reference to part of the patient summary
Control | 0..*
Type | Reference