EHDS Logical Information Models
0.4.0 - draft

EHDS Logical Information Models, published by Xt-EHR. This guide is not an authorized publication; it is the continuous build for version 0.4.0 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: EHDSPatient - Detailed Descriptions

Draft as of 2026-02-23

Definitions for the EHDSPatient 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. EHDSPatient
Definition | Model for information about a patient (subject of care). Base definition for all types defined in FHIR type system.
Short | Patient 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. EHDSPatient.identifier
Definition | An identifier of the patient that is unique within a defined scope (typically a national patient identifier, but it can also be a temporary identifier issued by the EHR).
Short | An identifier of the patient that is unique within a defined scope (typically a national patient identifier, but it can also be a temporary identifier issued by the EHR).
Note | This is a business identifier, not a resource identifier (see discussion)
Control | 1..*
Type | Identifier
4. EHDSPatient.name
Definition | Name might consist of name parts, e.g. Given name or names, family name/surname, name prefix etc.
Short | Name associated with the patient/subject.
Control | 0..*
Type | http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSHumanName
6. EHDSPatient.dateOfBirth
Definition | Date of birth
Short | Date of birth
Control | 0..1
Type | dateTime
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
8. EHDSPatient.deceased[x]
Definition | Whether the patient is deceased or date of death.
Short | Whether the patient is deceased or date of death.
Control | 0..1
Type | Choice of: boolean, dateTime
[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
10. EHDSPatient.administrativeGender
Definition | This field must contain a recognised valid value for "administrative gender". If different, "physiological gender" should be communicated elsewhere.
Short | Administrative gender
Control | 0..1
Binding | HL7 Administrative Gender
Type | CodeableConcept
12. EHDSPatient.address
Definition | The addresses are always sequences of address parts (e.g. street address line, country, postal code, city) even if postal address formats may vary depending on the country. An address may or may not include a specific use code; if this attribute is not present it is assumed to be the default address useful for any purpose.
Short | Mailing and home or office addresses.
Control | 0..*
Type | http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSAddress
14. EHDSPatient.telecom
Definition | Contact information.
Short | Contact information.
Control | 0..*
Type | http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSTelecom

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

0. EHDSPatient
Definition | Model for information about a patient (subject of care).
Short | Patient model
Logical Model | Instances of this logical model are not marked to be the target of a Reference
2. EHDSPatient.identifier
Definition | An identifier of the patient that is unique within a defined scope (typically a national patient identifier, but it can also be a temporary identifier issued by the EHR).
Short | An identifier of the patient that is unique within a defined scope (typically a national patient identifier, but it can also be a temporary identifier issued by the EHR).
Note | This is a business identifier, not a resource identifier (see discussion)
Control | 1..*
Type | Identifier
4. EHDSPatient.name
Definition | Name might consist of name parts, e.g. Given name or names, family name/surname, name prefix etc.
Short | Name associated with the patient/subject.
Control | 0..*
Type | http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSHumanName
6. EHDSPatient.dateOfBirth
Definition | Date of birth
Short | Date of birth
Control | 0..1
Type | dateTime
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
8. EHDSPatient.deceased[x]
Definition | Whether the patient is deceased or date of death.
Short | Whether the patient is deceased or date of death.
Control | 0..1
Type | Choice of: boolean, dateTime
[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
10. EHDSPatient.administrativeGender
Definition | This field must contain a recognised valid value for "administrative gender". If different, "physiological gender" should be communicated elsewhere.
Short | Administrative gender
Control | 0..1
Binding | HL7 Administrative Gender
Type | CodeableConcept
12. EHDSPatient.address
Definition | The addresses are always sequences of address parts (e.g. street address line, country, postal code, city) even if postal address formats may vary depending on the country. An address may or may not include a specific use code; if this attribute is not present it is assumed to be the default address useful for any purpose.
Short | Mailing and home or office addresses.
Control | 0..*
Type | http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSAddress
14. EHDSPatient.telecom
Definition | Contact information.
Short | Contact information.
Control | 0..*
Type | http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSTelecom

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

0. EHDSPatient
Definition | Model for information about a patient (subject of care).
Short | Patient model
Control | 0..*
Is Modifier | false
Logical Model | Instances of this logical model are not marked to be the target of a Reference
2. EHDSPatient.identifier
Definition | An identifier of the patient that is unique within a defined scope (typically a national patient identifier, but it can also be a temporary identifier issued by the EHR).
Short | An identifier of the patient that is unique within a defined scope (typically a national patient identifier, but it can also be a temporary identifier issued by the EHR).
Note | This is a business identifier, not a resource identifier (see discussion)
Control | 1..*
Type | Identifier
4. EHDSPatient.name
Definition | Name might consist of name parts, e.g. Given name or names, family name/surname, name prefix etc.
Short | Name associated with the patient/subject.
Control | 0..*
Type | http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSHumanName
6. EHDSPatient.dateOfBirth
Definition | Date of birth
Short | Date of birth
Control | 0..1
Type | dateTime
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
8. EHDSPatient.deceased[x]
Definition | Whether the patient is deceased or date of death.
Short | Whether the patient is deceased or date of death.
Control | 0..1
Type | Choice of: boolean, dateTime
[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
10. EHDSPatient.administrativeGender
Definition | This field must contain a recognised valid value for "administrative gender". If different, "physiological gender" should be communicated elsewhere.
Short | Administrative gender
Control | 0..1
Binding | HL7 Administrative Gender
Type | CodeableConcept
12. EHDSPatient.address
Definition | The addresses are always sequences of address parts (e.g. street address line, country, postal code, city) even if postal address formats may vary depending on the country. An address may or may not include a specific use code; if this attribute is not present it is assumed to be the default address useful for any purpose.
Short | Mailing and home or office addresses.
Control | 0..*
Type | http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSAddress
14. EHDSPatient.telecom
Definition | Contact information.
Short | Contact information.
Control | 0..*
Type | http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSTelecom