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: Encounter model

Official URL: http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSEncounter Version: 0.4.0
Draft as of 2026-02-22 Computable Name: EHDSEncounter

The model provides a structured way to capture information about a patient’s interaction with a healthcare service. It enables recording details related to individual encounters and supports linking closely related encounters when needed. Tracking broader or longer episodes of care that extend beyond individual encounters is outside the scope of this model.

Usages:

You can also check for usages in the FHIR IG Statistics

Formal Views of Profile Content

Description of Profiles, Differentials, Snapshots and how the different presentations work.

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. EHDSEncounter 0..* EHDSDataSet Encounter model

Elements defined in Ancestors:header
... header 1..1 Base Basic metadata for this information
.... subject 1..1 EHDSPatient Patient/subject information
.... identifier 0..* Identifier Business identifier for the object, unique within its system. Supporting disambiguation between different contexts (systems/countries).
.... author[x] 0..* Author (typically a health professional) who is responsible for this encounter
..... authorEHDSHealthProfessional EHDSHealthProfessional
..... authorEHDSOrganisation EHDSOrganisation
..... authorEHDSDevice EHDSDevice
.... date 0..1 dateTime Date and optionally time of authoring/issuing
.... status 1..1 CodeableConcept Status of the encounter (e.g. discharged, discontinued, completed)
.... source 0..1 CodeableConcept Source of information (e.g. patient, patient's proxy). Used in case the patient has authored the information or the author has submitted patient-stated information.
.... language 0..1 CodeableConcept Language in which the resource is written. Language is expressed by the IETF language tag.
Binding Description: (preferred): BCP 47
... priority 0..1 CodeableConcept Indicates the urgency of the encounter (e.g. urgent, routine).
... type 1..1 CodeableConcept Type of the encounter (inpatient, ambulatory, teleconsultation).
... serviceProvider 0..1 EHDSOrganisation The organisation (facility) responsible for this encounter
... referringProfessional 0..1 EHDSHealthProfessional Referring healthcare professional
... basedOn[x] 0..* Reference to the request that initiated this encounter
.... basedOnEHDSCarePlan EHDSCarePlan
.... basedOnEHDSServiceRequest EHDSServiceRequest
... reason[x] 0..* Reason(s) for admission, e.g. problem, procedure or finding.
.... reasonCodeableConcept CodeableConcept
.... reasonEHDSCondition EHDSCondition
.... reasonEHDSProcedure EHDSProcedure
.... reasonEHDSObservation EHDSObservation
.... reasonString string
... admission 0..1 Base Details about the admission to a healthcare service
.... admitter 0..1 EHDSHealthProfessional Admitting healthcare professional
.... admitSource 0..1 CodeableConcept From where the patient was admitted (e.g. physician referral, transfer).
Binding Description: (preferred): HL7 Admit Source
... dischargeDiagnosis[x] 0..* The diagnoses at the time of discharge.
.... dischargeDiagnosisCodeableConcept CodeableConcept
.... dischargeDiagnosisEHDSCondition EHDSCondition
... dischargeDestination 0..1 Base Location or organisation to which the patient is going after discharge.
.... type 0..1 CodeableConcept Type of location (e.g. home, hospital, nursing home, etc.)
.... location[x] 0..1 The location or organisation (including contact details)
..... locationEHDSOrganisation EHDSOrganisation
..... locationEHDSLocation EHDSLocation
... serviceLocation 0..* Base List of locations where the patient was present during this encounter.
.... period 0..1 Period Time period during which the patient was present at the location
.... organisationPart[x] 1..1 Organisation or part of an organisation (e.g. department) where the patient was present during the encounter.
..... organisationPartEHDSOrganisation EHDSOrganisation
..... organisationPartEHDSLocation EHDSLocation
... subEncounter 0..* EHDSEncounter Reference to encounters that are considered parts of this encounter.
... note 0..1 string Free text notes by the health professional

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
EHDSEncounter.header.​language Base preferred Not State Unknown
EHDSEncounter.admission.​admitSource Base preferred Not State Unknown

This structure is derived from EHDSDataSet

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. EHDSEncounter 0..* EHDSDataSet Encounter model

Elements defined in Ancestors:header
... header
.... author[x] 0..* EHDSHealthProfessional, EHDSOrganisation, EHDSDevice Author (typically a health professional) who is responsible for this encounter
.... status 1..1 CodeableConcept Status of the encounter (e.g. discharged, discontinued, completed)
... priority 0..1 CodeableConcept Indicates the urgency of the encounter (e.g. urgent, routine).
... type 1..1 CodeableConcept Type of the encounter (inpatient, ambulatory, teleconsultation).
... serviceProvider 0..1 EHDSOrganisation The organisation (facility) responsible for this encounter
... referringProfessional 0..1 EHDSHealthProfessional Referring healthcare professional
... basedOn[x] 0..* Reference to the request that initiated this encounter
.... basedOnEHDSCarePlan EHDSCarePlan
.... basedOnEHDSServiceRequest EHDSServiceRequest
... reason[x] 0..* Reason(s) for admission, e.g. problem, procedure or finding.
.... reasonCodeableConcept CodeableConcept
.... reasonEHDSCondition EHDSCondition
.... reasonEHDSProcedure EHDSProcedure
.... reasonEHDSObservation EHDSObservation
.... reasonString string
... admission 0..1 Base Details about the admission to a healthcare service
.... admitter 0..1 EHDSHealthProfessional Admitting healthcare professional
.... admitSource 0..1 CodeableConcept From where the patient was admitted (e.g. physician referral, transfer).
Binding Description: (preferred): HL7 Admit Source
... dischargeDiagnosis[x] 0..* The diagnoses at the time of discharge.
.... dischargeDiagnosisCodeableConcept CodeableConcept
.... dischargeDiagnosisEHDSCondition EHDSCondition
... dischargeDestination 0..1 Base Location or organisation to which the patient is going after discharge.
.... type 0..1 CodeableConcept Type of location (e.g. home, hospital, nursing home, etc.)
.... location[x] 0..1 The location or organisation (including contact details)
..... locationEHDSOrganisation EHDSOrganisation
..... locationEHDSLocation EHDSLocation
... serviceLocation 0..* Base List of locations where the patient was present during this encounter.
.... period 0..1 Period Time period during which the patient was present at the location
.... organisationPart[x] 1..1 Organisation or part of an organisation (e.g. department) where the patient was present during the encounter.
..... organisationPartEHDSOrganisation EHDSOrganisation
..... organisationPartEHDSLocation EHDSLocation
... subEncounter 0..* EHDSEncounter Reference to encounters that are considered parts of this encounter.
... note 0..1 string Free text notes by the health professional

doco Documentation for this format

Terminology Bindings (Differential)

Path Status Usage ValueSet Version Source
EHDSEncounter.admission.​admitSource Base preferred Not State Unknown
NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. EHDSEncounter 0..* EHDSDataSet Encounter model

Elements defined in Ancestors:header
... header 1..1 Base Basic metadata for this information
.... subject 1..1 EHDSPatient Patient/subject information
.... identifier 0..* Identifier Business identifier for the object, unique within its system. Supporting disambiguation between different contexts (systems/countries).
.... author[x] 0..* Author (typically a health professional) who is responsible for this encounter
..... authorEHDSHealthProfessional EHDSHealthProfessional
..... authorEHDSOrganisation EHDSOrganisation
..... authorEHDSDevice EHDSDevice
.... date 0..1 dateTime Date and optionally time of authoring/issuing
.... status 1..1 CodeableConcept Status of the encounter (e.g. discharged, discontinued, completed)
.... source 0..1 CodeableConcept Source of information (e.g. patient, patient's proxy). Used in case the patient has authored the information or the author has submitted patient-stated information.
.... language 0..1 CodeableConcept Language in which the resource is written. Language is expressed by the IETF language tag.
Binding Description: (preferred): BCP 47
... priority 0..1 CodeableConcept Indicates the urgency of the encounter (e.g. urgent, routine).
... type 1..1 CodeableConcept Type of the encounter (inpatient, ambulatory, teleconsultation).
... serviceProvider 0..1 EHDSOrganisation The organisation (facility) responsible for this encounter
... referringProfessional 0..1 EHDSHealthProfessional Referring healthcare professional
... basedOn[x] 0..* Reference to the request that initiated this encounter
.... basedOnEHDSCarePlan EHDSCarePlan
.... basedOnEHDSServiceRequest EHDSServiceRequest
... reason[x] 0..* Reason(s) for admission, e.g. problem, procedure or finding.
.... reasonCodeableConcept CodeableConcept
.... reasonEHDSCondition EHDSCondition
.... reasonEHDSProcedure EHDSProcedure
.... reasonEHDSObservation EHDSObservation
.... reasonString string
... admission 0..1 Base Details about the admission to a healthcare service
.... admitter 0..1 EHDSHealthProfessional Admitting healthcare professional
.... admitSource 0..1 CodeableConcept From where the patient was admitted (e.g. physician referral, transfer).
Binding Description: (preferred): HL7 Admit Source
... dischargeDiagnosis[x] 0..* The diagnoses at the time of discharge.
.... dischargeDiagnosisCodeableConcept CodeableConcept
.... dischargeDiagnosisEHDSCondition EHDSCondition
... dischargeDestination 0..1 Base Location or organisation to which the patient is going after discharge.
.... type 0..1 CodeableConcept Type of location (e.g. home, hospital, nursing home, etc.)
.... location[x] 0..1 The location or organisation (including contact details)
..... locationEHDSOrganisation EHDSOrganisation
..... locationEHDSLocation EHDSLocation
... serviceLocation 0..* Base List of locations where the patient was present during this encounter.
.... period 0..1 Period Time period during which the patient was present at the location
.... organisationPart[x] 1..1 Organisation or part of an organisation (e.g. department) where the patient was present during the encounter.
..... organisationPartEHDSOrganisation EHDSOrganisation
..... organisationPartEHDSLocation EHDSLocation
... subEncounter 0..* EHDSEncounter Reference to encounters that are considered parts of this encounter.
... note 0..1 string Free text notes by the health professional

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
EHDSEncounter.header.​language Base preferred Not State Unknown
EHDSEncounter.admission.​admitSource Base preferred Not State Unknown

This structure is derived from EHDSDataSet

Summary

Mandatory: 0 element(3 nested mandatory elements)

Key Elements View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. EHDSEncounter 0..* EHDSDataSet Encounter model

Elements defined in Ancestors:header
... header 1..1 Base Basic metadata for this information
.... subject 1..1 EHDSPatient Patient/subject information
.... identifier 0..* Identifier Business identifier for the object, unique within its system. Supporting disambiguation between different contexts (systems/countries).
.... author[x] 0..* Author (typically a health professional) who is responsible for this encounter
..... authorEHDSHealthProfessional EHDSHealthProfessional
..... authorEHDSOrganisation EHDSOrganisation
..... authorEHDSDevice EHDSDevice
.... date 0..1 dateTime Date and optionally time of authoring/issuing
.... status 1..1 CodeableConcept Status of the encounter (e.g. discharged, discontinued, completed)
.... source 0..1 CodeableConcept Source of information (e.g. patient, patient's proxy). Used in case the patient has authored the information or the author has submitted patient-stated information.
.... language 0..1 CodeableConcept Language in which the resource is written. Language is expressed by the IETF language tag.
Binding Description: (preferred): BCP 47
... priority 0..1 CodeableConcept Indicates the urgency of the encounter (e.g. urgent, routine).
... type 1..1 CodeableConcept Type of the encounter (inpatient, ambulatory, teleconsultation).
... serviceProvider 0..1 EHDSOrganisation The organisation (facility) responsible for this encounter
... referringProfessional 0..1 EHDSHealthProfessional Referring healthcare professional
... basedOn[x] 0..* Reference to the request that initiated this encounter
.... basedOnEHDSCarePlan EHDSCarePlan
.... basedOnEHDSServiceRequest EHDSServiceRequest
... reason[x] 0..* Reason(s) for admission, e.g. problem, procedure or finding.
.... reasonCodeableConcept CodeableConcept
.... reasonEHDSCondition EHDSCondition
.... reasonEHDSProcedure EHDSProcedure
.... reasonEHDSObservation EHDSObservation
.... reasonString string
... admission 0..1 Base Details about the admission to a healthcare service
.... admitter 0..1 EHDSHealthProfessional Admitting healthcare professional
.... admitSource 0..1 CodeableConcept From where the patient was admitted (e.g. physician referral, transfer).
Binding Description: (preferred): HL7 Admit Source
... dischargeDiagnosis[x] 0..* The diagnoses at the time of discharge.
.... dischargeDiagnosisCodeableConcept CodeableConcept
.... dischargeDiagnosisEHDSCondition EHDSCondition
... dischargeDestination 0..1 Base Location or organisation to which the patient is going after discharge.
.... type 0..1 CodeableConcept Type of location (e.g. home, hospital, nursing home, etc.)
.... location[x] 0..1 The location or organisation (including contact details)
..... locationEHDSOrganisation EHDSOrganisation
..... locationEHDSLocation EHDSLocation
... serviceLocation 0..* Base List of locations where the patient was present during this encounter.
.... period 0..1 Period Time period during which the patient was present at the location
.... organisationPart[x] 1..1 Organisation or part of an organisation (e.g. department) where the patient was present during the encounter.
..... organisationPartEHDSOrganisation EHDSOrganisation
..... organisationPartEHDSLocation EHDSLocation
... subEncounter 0..* EHDSEncounter Reference to encounters that are considered parts of this encounter.
... note 0..1 string Free text notes by the health professional

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
EHDSEncounter.header.​language Base preferred Not State Unknown
EHDSEncounter.admission.​admitSource Base preferred Not State Unknown

Differential View

This structure is derived from EHDSDataSet

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. EHDSEncounter 0..* EHDSDataSet Encounter model

Elements defined in Ancestors:header
... header
.... author[x] 0..* EHDSHealthProfessional, EHDSOrganisation, EHDSDevice Author (typically a health professional) who is responsible for this encounter
.... status 1..1 CodeableConcept Status of the encounter (e.g. discharged, discontinued, completed)
... priority 0..1 CodeableConcept Indicates the urgency of the encounter (e.g. urgent, routine).
... type 1..1 CodeableConcept Type of the encounter (inpatient, ambulatory, teleconsultation).
... serviceProvider 0..1 EHDSOrganisation The organisation (facility) responsible for this encounter
... referringProfessional 0..1 EHDSHealthProfessional Referring healthcare professional
... basedOn[x] 0..* Reference to the request that initiated this encounter
.... basedOnEHDSCarePlan EHDSCarePlan
.... basedOnEHDSServiceRequest EHDSServiceRequest
... reason[x] 0..* Reason(s) for admission, e.g. problem, procedure or finding.
.... reasonCodeableConcept CodeableConcept
.... reasonEHDSCondition EHDSCondition
.... reasonEHDSProcedure EHDSProcedure
.... reasonEHDSObservation EHDSObservation
.... reasonString string
... admission 0..1 Base Details about the admission to a healthcare service
.... admitter 0..1 EHDSHealthProfessional Admitting healthcare professional
.... admitSource 0..1 CodeableConcept From where the patient was admitted (e.g. physician referral, transfer).
Binding Description: (preferred): HL7 Admit Source
... dischargeDiagnosis[x] 0..* The diagnoses at the time of discharge.
.... dischargeDiagnosisCodeableConcept CodeableConcept
.... dischargeDiagnosisEHDSCondition EHDSCondition
... dischargeDestination 0..1 Base Location or organisation to which the patient is going after discharge.
.... type 0..1 CodeableConcept Type of location (e.g. home, hospital, nursing home, etc.)
.... location[x] 0..1 The location or organisation (including contact details)
..... locationEHDSOrganisation EHDSOrganisation
..... locationEHDSLocation EHDSLocation
... serviceLocation 0..* Base List of locations where the patient was present during this encounter.
.... period 0..1 Period Time period during which the patient was present at the location
.... organisationPart[x] 1..1 Organisation or part of an organisation (e.g. department) where the patient was present during the encounter.
..... organisationPartEHDSOrganisation EHDSOrganisation
..... organisationPartEHDSLocation EHDSLocation
... subEncounter 0..* EHDSEncounter Reference to encounters that are considered parts of this encounter.
... note 0..1 string Free text notes by the health professional

doco Documentation for this format

Terminology Bindings (Differential)

Path Status Usage ValueSet Version Source
EHDSEncounter.admission.​admitSource Base preferred Not State Unknown

Snapshot View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. EHDSEncounter 0..* EHDSDataSet Encounter model

Elements defined in Ancestors:header
... header 1..1 Base Basic metadata for this information
.... subject 1..1 EHDSPatient Patient/subject information
.... identifier 0..* Identifier Business identifier for the object, unique within its system. Supporting disambiguation between different contexts (systems/countries).
.... author[x] 0..* Author (typically a health professional) who is responsible for this encounter
..... authorEHDSHealthProfessional EHDSHealthProfessional
..... authorEHDSOrganisation EHDSOrganisation
..... authorEHDSDevice EHDSDevice
.... date 0..1 dateTime Date and optionally time of authoring/issuing
.... status 1..1 CodeableConcept Status of the encounter (e.g. discharged, discontinued, completed)
.... source 0..1 CodeableConcept Source of information (e.g. patient, patient's proxy). Used in case the patient has authored the information or the author has submitted patient-stated information.
.... language 0..1 CodeableConcept Language in which the resource is written. Language is expressed by the IETF language tag.
Binding Description: (preferred): BCP 47
... priority 0..1 CodeableConcept Indicates the urgency of the encounter (e.g. urgent, routine).
... type 1..1 CodeableConcept Type of the encounter (inpatient, ambulatory, teleconsultation).
... serviceProvider 0..1 EHDSOrganisation The organisation (facility) responsible for this encounter
... referringProfessional 0..1 EHDSHealthProfessional Referring healthcare professional
... basedOn[x] 0..* Reference to the request that initiated this encounter
.... basedOnEHDSCarePlan EHDSCarePlan
.... basedOnEHDSServiceRequest EHDSServiceRequest
... reason[x] 0..* Reason(s) for admission, e.g. problem, procedure or finding.
.... reasonCodeableConcept CodeableConcept
.... reasonEHDSCondition EHDSCondition
.... reasonEHDSProcedure EHDSProcedure
.... reasonEHDSObservation EHDSObservation
.... reasonString string
... admission 0..1 Base Details about the admission to a healthcare service
.... admitter 0..1 EHDSHealthProfessional Admitting healthcare professional
.... admitSource 0..1 CodeableConcept From where the patient was admitted (e.g. physician referral, transfer).
Binding Description: (preferred): HL7 Admit Source
... dischargeDiagnosis[x] 0..* The diagnoses at the time of discharge.
.... dischargeDiagnosisCodeableConcept CodeableConcept
.... dischargeDiagnosisEHDSCondition EHDSCondition
... dischargeDestination 0..1 Base Location or organisation to which the patient is going after discharge.
.... type 0..1 CodeableConcept Type of location (e.g. home, hospital, nursing home, etc.)
.... location[x] 0..1 The location or organisation (including contact details)
..... locationEHDSOrganisation EHDSOrganisation
..... locationEHDSLocation EHDSLocation
... serviceLocation 0..* Base List of locations where the patient was present during this encounter.
.... period 0..1 Period Time period during which the patient was present at the location
.... organisationPart[x] 1..1 Organisation or part of an organisation (e.g. department) where the patient was present during the encounter.
..... organisationPartEHDSOrganisation EHDSOrganisation
..... organisationPartEHDSLocation EHDSLocation
... subEncounter 0..* EHDSEncounter Reference to encounters that are considered parts of this encounter.
... note 0..1 string Free text notes by the health professional

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
EHDSEncounter.header.​language Base preferred Not State Unknown
EHDSEncounter.admission.​admitSource Base preferred Not State Unknown

This structure is derived from EHDSDataSet

Summary

Mandatory: 0 element(3 nested mandatory elements)

 

Other representations of profile: CSV, Excel