EHDS Logical Information Models
0.3.0 - qa-preview

EHDS Logical Information Models, published by Xt-EHR. This guide is not an authorized publication; it is the continuous build for version 0.3.0 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: Service request model

Official URL: http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSServiceRequest Version: 0.3.0
Draft as of 2026-02-09 Computable Name: EHDSServiceRequest

The model covers details about a requested service or services. One order may include several requests.

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
.. EHDSServiceRequest 0..* EHDSDataSet Service request 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(s) responsible for the provided information.
..... authorEHDSHealthProfessional EHDSHealthProfessional
..... authorEHDSOrganisation EHDSOrganisation
..... authorEHDSDevice EHDSDevice
.... date 0..1 dateTime Date and optionally time of authoring/issuing
.... status 1..1 CodeableConcept Status of the resource or document
.... 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
... description 0..1 string Textual description of the requested service
... code 0..1 CodeableConcept A code and name that identifies a particular service (i.e., procedure, diagnostic investigation, or panel of investigations) that have been requested.
Binding Description: (preferred): LOINC, NPU, SNOMED CT
... bodySite 0..* EHDSBodyStructure Anatomic location and laterality where the procedure should be performed. This is the target site.
... reason[x] 0..* Reason why this service is being requested.
Binding Description: (preferred): ICD-10, SNOMED CT, Orphacode
.... reasonEHDSObservation EHDSObservation
.... reasonEHDSCondition EHDSCondition
.... reasonEHDSMedication EHDSMedication
.... reasonString string
... priority 0..1 CodeableConcept Indicates how quickly the request should be addressed with respect to other requests.
Binding Description: (preferred): HL7 Request Priority
... supportingInformation[x] 0..* Health conditions relevant for the results interpretation, e.g. fasting status, sex for clinical use, etc.
.... supportingInformationEHDSObservation EHDSObservation
.... supportingInformationEHDSCondition EHDSCondition
.... supportingInformationEHDSProcedure EHDSProcedure
.... supportingInformationEHDSMedicationAdministration EHDSMedicationAdministration
... specimen 0..* EHDSSpecimen Specimens to be used by the laboratory procedure
... encounter 0..1 EHDSEncounter The encounter that provides additional information about the healthcare context in which this request is made.
... occurrence[x] 0..1 Expected time of the service
.... occurrenceDateTime dateTime
.... occurrencePeriod Period
... patientInstructions 0..1 string Patient or consumer-oriented instructions

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
EHDSServiceRequest.header.​language Base preferred Not State Unknown
EHDSServiceRequest.code Base preferred Not State Unknown
EHDSServiceRequest.reason[x] Base preferred Not State Unknown
EHDSServiceRequest.priority Base preferred Not State Unknown

This structure is derived from EHDSDataSet

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. EHDSServiceRequest 0..* EHDSDataSet Service request model

Elements defined in Ancestors:header
... description 0..1 string Textual description of the requested service
... code 0..1 CodeableConcept A code and name that identifies a particular service (i.e., procedure, diagnostic investigation, or panel of investigations) that have been requested.
Binding Description: (preferred): LOINC, NPU, SNOMED CT
... quantity 0..1 Quantity Amount of requested services of the same type
... reason[x] 0..* Reason why this service is being requested.
Binding Description: (preferred): ICD-10, SNOMED CT, Orphacode
.... reasonEHDSObservation EHDSObservation
.... reasonEHDSCondition EHDSCondition
.... reasonEHDSMedication EHDSMedication
.... reasonString string
... priority 0..1 CodeableConcept Indicates how quickly the request should be addressed with respect to other requests.
Binding Description: (preferred): HL7 Request Priority
... supportingInformation[x] 0..* Health conditions relevant for the results interpretation, e.g. fasting status, sex for clinical use, etc.
.... supportingInformationEHDSObservation EHDSObservation
.... supportingInformationEHDSCondition EHDSCondition
.... supportingInformationEHDSProcedure EHDSProcedure
.... supportingInformationEHDSMedicationAdministration EHDSMedicationAdministration
... specimen 0..* EHDSSpecimen Specimens to be used by the laboratory procedure
... encounter 0..1 EHDSEncounter The encounter that provides additional information about the healthcare context in which this request is made.
... occurrence[x] 0..1 Expected time of the service
.... occurrenceDateTime dateTime
.... occurrencePeriod Period
... patientInstructions 0..1 string Patient or consumer-oriented instructions

doco Documentation for this format

Terminology Bindings (Differential)

Path Status Usage ValueSet Version Source
EHDSServiceRequest.code Base preferred Not State Unknown
EHDSServiceRequest.reason[x] Base preferred Not State Unknown
EHDSServiceRequest.priority Base preferred Not State Unknown
NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. EHDSServiceRequest 0..* EHDSDataSet Service request 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(s) responsible for the provided information.
..... authorEHDSHealthProfessional EHDSHealthProfessional
..... authorEHDSOrganisation EHDSOrganisation
..... authorEHDSDevice EHDSDevice
.... date 0..1 dateTime Date and optionally time of authoring/issuing
.... status 1..1 CodeableConcept Status of the resource or document
.... 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
... description 0..1 string Textual description of the requested service
... code 0..1 CodeableConcept A code and name that identifies a particular service (i.e., procedure, diagnostic investigation, or panel of investigations) that have been requested.
Binding Description: (preferred): LOINC, NPU, SNOMED CT
... bodySite 0..* EHDSBodyStructure Anatomic location and laterality where the procedure should be performed. This is the target site.
... reason[x] 0..* Reason why this service is being requested.
Binding Description: (preferred): ICD-10, SNOMED CT, Orphacode
.... reasonEHDSObservation EHDSObservation
.... reasonEHDSCondition EHDSCondition
.... reasonEHDSMedication EHDSMedication
.... reasonString string
... priority 0..1 CodeableConcept Indicates how quickly the request should be addressed with respect to other requests.
Binding Description: (preferred): HL7 Request Priority
... supportingInformation[x] 0..* Health conditions relevant for the results interpretation, e.g. fasting status, sex for clinical use, etc.
.... supportingInformationEHDSObservation EHDSObservation
.... supportingInformationEHDSCondition EHDSCondition
.... supportingInformationEHDSProcedure EHDSProcedure
.... supportingInformationEHDSMedicationAdministration EHDSMedicationAdministration
... specimen 0..* EHDSSpecimen Specimens to be used by the laboratory procedure
... encounter 0..1 EHDSEncounter The encounter that provides additional information about the healthcare context in which this request is made.
... occurrence[x] 0..1 Expected time of the service
.... occurrenceDateTime dateTime
.... occurrencePeriod Period
... patientInstructions 0..1 string Patient or consumer-oriented instructions

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
EHDSServiceRequest.header.​language Base preferred Not State Unknown
EHDSServiceRequest.code Base preferred Not State Unknown
EHDSServiceRequest.reason[x] Base preferred Not State Unknown
EHDSServiceRequest.priority Base preferred Not State Unknown

This structure is derived from EHDSDataSet

Summary

Key Elements View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. EHDSServiceRequest 0..* EHDSDataSet Service request 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(s) responsible for the provided information.
..... authorEHDSHealthProfessional EHDSHealthProfessional
..... authorEHDSOrganisation EHDSOrganisation
..... authorEHDSDevice EHDSDevice
.... date 0..1 dateTime Date and optionally time of authoring/issuing
.... status 1..1 CodeableConcept Status of the resource or document
.... 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
... description 0..1 string Textual description of the requested service
... code 0..1 CodeableConcept A code and name that identifies a particular service (i.e., procedure, diagnostic investigation, or panel of investigations) that have been requested.
Binding Description: (preferred): LOINC, NPU, SNOMED CT
... bodySite 0..* EHDSBodyStructure Anatomic location and laterality where the procedure should be performed. This is the target site.
... reason[x] 0..* Reason why this service is being requested.
Binding Description: (preferred): ICD-10, SNOMED CT, Orphacode
.... reasonEHDSObservation EHDSObservation
.... reasonEHDSCondition EHDSCondition
.... reasonEHDSMedication EHDSMedication
.... reasonString string
... priority 0..1 CodeableConcept Indicates how quickly the request should be addressed with respect to other requests.
Binding Description: (preferred): HL7 Request Priority
... supportingInformation[x] 0..* Health conditions relevant for the results interpretation, e.g. fasting status, sex for clinical use, etc.
.... supportingInformationEHDSObservation EHDSObservation
.... supportingInformationEHDSCondition EHDSCondition
.... supportingInformationEHDSProcedure EHDSProcedure
.... supportingInformationEHDSMedicationAdministration EHDSMedicationAdministration
... specimen 0..* EHDSSpecimen Specimens to be used by the laboratory procedure
... encounter 0..1 EHDSEncounter The encounter that provides additional information about the healthcare context in which this request is made.
... occurrence[x] 0..1 Expected time of the service
.... occurrenceDateTime dateTime
.... occurrencePeriod Period
... patientInstructions 0..1 string Patient or consumer-oriented instructions

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
EHDSServiceRequest.header.​language Base preferred Not State Unknown
EHDSServiceRequest.code Base preferred Not State Unknown
EHDSServiceRequest.reason[x] Base preferred Not State Unknown
EHDSServiceRequest.priority Base preferred Not State Unknown

Differential View

This structure is derived from EHDSDataSet

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. EHDSServiceRequest 0..* EHDSDataSet Service request model

Elements defined in Ancestors:header
... description 0..1 string Textual description of the requested service
... code 0..1 CodeableConcept A code and name that identifies a particular service (i.e., procedure, diagnostic investigation, or panel of investigations) that have been requested.
Binding Description: (preferred): LOINC, NPU, SNOMED CT
... quantity 0..1 Quantity Amount of requested services of the same type
... reason[x] 0..* Reason why this service is being requested.
Binding Description: (preferred): ICD-10, SNOMED CT, Orphacode
.... reasonEHDSObservation EHDSObservation
.... reasonEHDSCondition EHDSCondition
.... reasonEHDSMedication EHDSMedication
.... reasonString string
... priority 0..1 CodeableConcept Indicates how quickly the request should be addressed with respect to other requests.
Binding Description: (preferred): HL7 Request Priority
... supportingInformation[x] 0..* Health conditions relevant for the results interpretation, e.g. fasting status, sex for clinical use, etc.
.... supportingInformationEHDSObservation EHDSObservation
.... supportingInformationEHDSCondition EHDSCondition
.... supportingInformationEHDSProcedure EHDSProcedure
.... supportingInformationEHDSMedicationAdministration EHDSMedicationAdministration
... specimen 0..* EHDSSpecimen Specimens to be used by the laboratory procedure
... encounter 0..1 EHDSEncounter The encounter that provides additional information about the healthcare context in which this request is made.
... occurrence[x] 0..1 Expected time of the service
.... occurrenceDateTime dateTime
.... occurrencePeriod Period
... patientInstructions 0..1 string Patient or consumer-oriented instructions

doco Documentation for this format

Terminology Bindings (Differential)

Path Status Usage ValueSet Version Source
EHDSServiceRequest.code Base preferred Not State Unknown
EHDSServiceRequest.reason[x] Base preferred Not State Unknown
EHDSServiceRequest.priority Base preferred Not State Unknown

Snapshot View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. EHDSServiceRequest 0..* EHDSDataSet Service request 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(s) responsible for the provided information.
..... authorEHDSHealthProfessional EHDSHealthProfessional
..... authorEHDSOrganisation EHDSOrganisation
..... authorEHDSDevice EHDSDevice
.... date 0..1 dateTime Date and optionally time of authoring/issuing
.... status 1..1 CodeableConcept Status of the resource or document
.... 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
... description 0..1 string Textual description of the requested service
... code 0..1 CodeableConcept A code and name that identifies a particular service (i.e., procedure, diagnostic investigation, or panel of investigations) that have been requested.
Binding Description: (preferred): LOINC, NPU, SNOMED CT
... bodySite 0..* EHDSBodyStructure Anatomic location and laterality where the procedure should be performed. This is the target site.
... reason[x] 0..* Reason why this service is being requested.
Binding Description: (preferred): ICD-10, SNOMED CT, Orphacode
.... reasonEHDSObservation EHDSObservation
.... reasonEHDSCondition EHDSCondition
.... reasonEHDSMedication EHDSMedication
.... reasonString string
... priority 0..1 CodeableConcept Indicates how quickly the request should be addressed with respect to other requests.
Binding Description: (preferred): HL7 Request Priority
... supportingInformation[x] 0..* Health conditions relevant for the results interpretation, e.g. fasting status, sex for clinical use, etc.
.... supportingInformationEHDSObservation EHDSObservation
.... supportingInformationEHDSCondition EHDSCondition
.... supportingInformationEHDSProcedure EHDSProcedure
.... supportingInformationEHDSMedicationAdministration EHDSMedicationAdministration
... specimen 0..* EHDSSpecimen Specimens to be used by the laboratory procedure
... encounter 0..1 EHDSEncounter The encounter that provides additional information about the healthcare context in which this request is made.
... occurrence[x] 0..1 Expected time of the service
.... occurrenceDateTime dateTime
.... occurrencePeriod Period
... patientInstructions 0..1 string Patient or consumer-oriented instructions

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
EHDSServiceRequest.header.​language Base preferred Not State Unknown
EHDSServiceRequest.code Base preferred Not State Unknown
EHDSServiceRequest.reason[x] Base preferred Not State Unknown
EHDSServiceRequest.priority Base preferred Not State Unknown

This structure is derived from EHDSDataSet

Summary

 

Other representations of profile: CSV, Excel