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: EHDSAppointment - Detailed Descriptions

Draft as of 2025-08-25

Definitions for the EHDSAppointment 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. EHDSAppointment
Definition | EHDS refined base model for Appointment. This is a simplified model with minimal information - it is not intended to cover the full functionality of booking systems. Base definition for all types defined in FHIR type system.
Short | Appointment 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. EHDSAppointment.identifier
Definition | Appointment identifier
Short | Appointment identifier
Note | This is a business identifier, not a resource identifier (see discussion)
Control | 0..*
Type | Identifier
4. EHDSAppointment.subject
Definition | The patient associated with the appointment.
Short | The patient associated with the appointment.
Control | 0..1
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSPatient
6. EHDSAppointment.status
Definition | The overall status of the Appointment.
Short | The overall status of the Appointment.
Control | 1..1
Binding | HL7 Appointment status
Type | CodeableConcept
8. EHDSAppointment.class
Definition | Classification of patient encounter (e.g. inpatient, outpatient, emergency).
Short | Classification of patient encounter (e.g. inpatient, outpatient, emergency).
Control | 0..*
Binding | HL7 Encounter class
Type | CodeableConcept
10. EHDSAppointment.serviceType
Definition | The specific service that is to be performed during this appointment.
Short | The specific service that is to be performed during this appointment.
Control | 0..*
Binding | SNOMED CT
Type | CodeableConcept
12. EHDSAppointment.specialty
Definition | The specialty of a practitioner that would be required to perform the service requested in this appointment
Short | The specialty of a practitioner that would be required to perform the service requested in this appointment
Control | 0..*
Binding | SNOMED CT
Type | CodeableConcept
14. EHDSAppointment.start
Definition | Date and time that the appointment is to take place.
Short | Date and time that the appointment is to take place.
Control | 0..1
Type | dateTime
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
16. EHDSAppointment.end
Definition | Date and time that the appointment is to conclude.
Short | Date and time that the appointment is to conclude.
Control | 0..1
Type | dateTime
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
18. EHDSAppointment.note
Definition | Additional notes/comments about the appointment.
Short | Additional notes/comments about the appointment.
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. EHDSAppointment
Definition | EHDS refined base model for Appointment. This is a simplified model with minimal information - it is not intended to cover the full functionality of booking systems.
Short | Appointment model
Logical Model | Instances of this logical model are not marked to be the target of a Reference
2. EHDSAppointment.identifier
Definition | Appointment identifier
Short | Appointment identifier
Note | This is a business identifier, not a resource identifier (see discussion)
Control | 0..*
Type | Identifier
4. EHDSAppointment.subject
Definition | The patient associated with the appointment.
Short | The patient associated with the appointment.
Control | 0..1
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSPatient
6. EHDSAppointment.status
Definition | The overall status of the Appointment.
Short | The overall status of the Appointment.
Control | 1..1
Binding | HL7 Appointment status
Type | CodeableConcept
8. EHDSAppointment.class
Definition | Classification of patient encounter (e.g. inpatient, outpatient, emergency).
Short | Classification of patient encounter (e.g. inpatient, outpatient, emergency).
Control | 0..*
Binding | HL7 Encounter class
Type | CodeableConcept
10. EHDSAppointment.serviceType
Definition | The specific service that is to be performed during this appointment.
Short | The specific service that is to be performed during this appointment.
Control | 0..*
Binding | SNOMED CT
Type | CodeableConcept
12. EHDSAppointment.specialty
Definition | The specialty of a practitioner that would be required to perform the service requested in this appointment
Short | The specialty of a practitioner that would be required to perform the service requested in this appointment
Control | 0..*
Binding | SNOMED CT
Type | CodeableConcept
14. EHDSAppointment.start
Definition | Date and time that the appointment is to take place.
Short | Date and time that the appointment is to take place.
Control | 0..1
Type | dateTime
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
16. EHDSAppointment.end
Definition | Date and time that the appointment is to conclude.
Short | Date and time that the appointment is to conclude.
Control | 0..1
Type | dateTime
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
18. EHDSAppointment.note
Definition | Additional notes/comments about the appointment.
Short | Additional notes/comments about the appointment.
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. EHDSAppointment
Definition | EHDS refined base model for Appointment. This is a simplified model with minimal information - it is not intended to cover the full functionality of booking systems.
Short | Appointment model
Control | 0..*
Is Modifier | false
Logical Model | Instances of this logical model are not marked to be the target of a Reference
2. EHDSAppointment.identifier
Definition | Appointment identifier
Short | Appointment identifier
Note | This is a business identifier, not a resource identifier (see discussion)
Control | 0..*
Type | Identifier
4. EHDSAppointment.subject
Definition | The patient associated with the appointment.
Short | The patient associated with the appointment.
Control | 0..1
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSPatient
6. EHDSAppointment.status
Definition | The overall status of the Appointment.
Short | The overall status of the Appointment.
Control | 1..1
Binding | HL7 Appointment status
Type | CodeableConcept
8. EHDSAppointment.class
Definition | Classification of patient encounter (e.g. inpatient, outpatient, emergency).
Short | Classification of patient encounter (e.g. inpatient, outpatient, emergency).
Control | 0..*
Binding | HL7 Encounter class
Type | CodeableConcept
10. EHDSAppointment.serviceType
Definition | The specific service that is to be performed during this appointment.
Short | The specific service that is to be performed during this appointment.
Control | 0..*
Binding | SNOMED CT
Type | CodeableConcept
12. EHDSAppointment.specialty
Definition | The specialty of a practitioner that would be required to perform the service requested in this appointment
Short | The specialty of a practitioner that would be required to perform the service requested in this appointment
Control | 0..*
Binding | SNOMED CT
Type | CodeableConcept
14. EHDSAppointment.start
Definition | Date and time that the appointment is to take place.
Short | Date and time that the appointment is to take place.
Control | 0..1
Type | dateTime
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
16. EHDSAppointment.end
Definition | Date and time that the appointment is to conclude.
Short | Date and time that the appointment is to conclude.
Control | 0..1
Type | dateTime
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
18. EHDSAppointment.note
Definition | Additional notes/comments about the appointment.
Short | Additional notes/comments about the appointment.
Control | 0..*
Type | string
Primitive Value | This primitive element may be present, or absent, or replaced by an extension