EHDS Logical Information Models
0.4.0 - draft
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
| Official URL: http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSServiceRequestLaboratoryObligations | Version: 0.4.0 | |||
| Draft as of 2026-03-16 | Computable Name: EHDSServiceRequestLaboratoryObligations | |||
Obligations for the logical model of service request in the scope of laboratory use case
Usages:
You can also check for usages in the FHIR IG Statistics
Description of Profiles, Differentials, Snapshots and how the different presentations work.
| Name | Flags | Card. | Type | Description & Constraints Filter:   | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
  EHDSServiceRequest |
0..* | EHDSServiceRequest | Service request model | |||||||
  header |
1..1 | Base | Basic metadata for this information | |||||||
   subject |
O | 1..1 | EHDSPatient | Patient/subject information
| ||||||
| identifier |
O | 0..* | Identifier | Business identifier for the object, unique within its system. Supporting disambiguation between different contexts (systems/countries).
| ||||||
 author[x] |
O | 0..* | Author(s) responsible for the provided information.
| |||||||
| authorEHDSHealthProfessional |
EHDSHealthProfessional | |||||||||
| authorEHDSOrganisation |
EHDSOrganisation | |||||||||
 authorEHDSDevice |
EHDSDevice | |||||||||
 date |
O | 0..1 | dateTime | Date and optionally time of authoring/issuing
| ||||||
| status |
O | 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 |
O | 0..1 | string | Textual description of the requested service
| ||||||
| code |
O | 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 |
O | 0..1 | Quantity | Amount of requested services of the same type
| ||||||
| bodySite |
0..* | EHDSBodyStructure | Anatomic location and laterality where the procedure should be performed. This is the target site. | |||||||
| reason[x] |
O | 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 |
O | 0..1 | CodeableConcept | Indicates how quickly the request should be addressed with respect to other requests. Binding Description: (preferred): HL7 Request Priority
| ||||||
| supportingInformation[x] |
O | 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 |
O | 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 | |||||||
| Documentation for this format | ||||||||||
| 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 EHDSServiceRequest
| Name | Flags | Card. | Type | Description & Constraints Filter: | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| EHDSServiceRequest |
0..* | EHDSServiceRequest | Service request model | |||||||
| header |
||||||||||
| subject |
O | 1..1 | EHDSPatient | Patient/subject information
| ||||||
| identifier |
O | 0..* | Identifier | Business identifier for the object, unique within its system. Supporting disambiguation between different contexts (systems/countries).
| ||||||
| author[x] |
O | 0..* | EHDSHealthProfessional, EHDSOrganisation, EHDSDevice | Author(s) responsible for the provided information.
| ||||||
| date |
O | 0..1 | dateTime | Date and optionally time of authoring/issuing
| ||||||
| status |
O | 1..1 | CodeableConcept | Status of the resource or document
| ||||||
| description |
O | 0..1 | string | Textual description of the requested service
| ||||||
| code |
O | 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.
| ||||||
| quantity |
O | 0..1 | Quantity | Amount of requested services of the same type
| ||||||
| reason[x] |
O | 0..* | EHDSObservation, EHDSCondition, EHDSMedication, string | Reason why this service is being requested.
| ||||||
| priority |
O | 0..1 | CodeableConcept | Indicates how quickly the request should be addressed with respect to other requests.
| ||||||
| supportingInformation[x] |
O | 0..* | EHDSObservation, EHDSCondition, EHDSProcedure, EHDSMedicationAdministration | Health conditions relevant for the results interpretation, e.g. fasting status, sex for clinical use, etc.
| ||||||
| specimen |
O | 0..* | EHDSSpecimen | Specimens to be used by the laboratory procedure
| ||||||
| Documentation for this format | ||||||||||
| Name | Flags | Card. | Type | Description & Constraints Filter: | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| EHDSServiceRequest |
0..* | EHDSServiceRequest | Service request model | |||||||
| header |
1..1 | Base | Basic metadata for this information | |||||||
| subject |
O | 1..1 | EHDSPatient | Patient/subject information
| ||||||
| identifier |
O | 0..* | Identifier | Business identifier for the object, unique within its system. Supporting disambiguation between different contexts (systems/countries).
| ||||||
| author[x] |
O | 0..* | Author(s) responsible for the provided information.
| |||||||
| authorEHDSHealthProfessional |
EHDSHealthProfessional | |||||||||
| authorEHDSOrganisation |
EHDSOrganisation | |||||||||
| authorEHDSDevice |
EHDSDevice | |||||||||
| date |
O | 0..1 | dateTime | Date and optionally time of authoring/issuing
| ||||||
| status |
O | 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 |
O | 0..1 | string | Textual description of the requested service
| ||||||
| code |
O | 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 |
O | 0..1 | Quantity | Amount of requested services of the same type
| ||||||
| bodySite |
0..* | EHDSBodyStructure | Anatomic location and laterality where the procedure should be performed. This is the target site. | |||||||
| reason[x] |
O | 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 |
O | 0..1 | CodeableConcept | Indicates how quickly the request should be addressed with respect to other requests. Binding Description: (preferred): HL7 Request Priority
| ||||||
| supportingInformation[x] |
O | 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 |
O | 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 | |||||||
| Documentation for this format | ||||||||||
| 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 EHDSServiceRequest
Key Elements View
| Name | Flags | Card. | Type | Description & Constraints Filter: | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| EHDSServiceRequest |
0..* | EHDSServiceRequest | Service request model | |||||||
| header |
1..1 | Base | Basic metadata for this information | |||||||
| subject |
O | 1..1 | EHDSPatient | Patient/subject information
| ||||||
| identifier |
O | 0..* | Identifier | Business identifier for the object, unique within its system. Supporting disambiguation between different contexts (systems/countries).
| ||||||
| author[x] |
O | 0..* | Author(s) responsible for the provided information.
| |||||||
| authorEHDSHealthProfessional |
EHDSHealthProfessional | |||||||||
| authorEHDSOrganisation |
EHDSOrganisation | |||||||||
| authorEHDSDevice |
EHDSDevice | |||||||||
| date |
O | 0..1 | dateTime | Date and optionally time of authoring/issuing
| ||||||
| status |
O | 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 |
O | 0..1 | string | Textual description of the requested service
| ||||||
| code |
O | 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 |
O | 0..1 | Quantity | Amount of requested services of the same type
| ||||||
| bodySite |
0..* | EHDSBodyStructure | Anatomic location and laterality where the procedure should be performed. This is the target site. | |||||||
| reason[x] |
O | 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 |
O | 0..1 | CodeableConcept | Indicates how quickly the request should be addressed with respect to other requests. Binding Description: (preferred): HL7 Request Priority
| ||||||
| supportingInformation[x] |
O | 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 |
O | 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 | |||||||
| Documentation for this format | ||||||||||
| 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 EHDSServiceRequest
| Name | Flags | Card. | Type | Description & Constraints Filter: | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| EHDSServiceRequest |
0..* | EHDSServiceRequest | Service request model | |||||||
| header |
||||||||||
| subject |
O | 1..1 | EHDSPatient | Patient/subject information
| ||||||
| identifier |
O | 0..* | Identifier | Business identifier for the object, unique within its system. Supporting disambiguation between different contexts (systems/countries).
| ||||||
| author[x] |
O | 0..* | EHDSHealthProfessional, EHDSOrganisation, EHDSDevice | Author(s) responsible for the provided information.
| ||||||
| date |
O | 0..1 | dateTime | Date and optionally time of authoring/issuing
| ||||||
| status |
O | 1..1 | CodeableConcept | Status of the resource or document
| ||||||
| description |
O | 0..1 | string | Textual description of the requested service
| ||||||
| code |
O | 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.
| ||||||
| quantity |
O | 0..1 | Quantity | Amount of requested services of the same type
| ||||||
| reason[x] |
O | 0..* | EHDSObservation, EHDSCondition, EHDSMedication, string | Reason why this service is being requested.
| ||||||
| priority |
O | 0..1 | CodeableConcept | Indicates how quickly the request should be addressed with respect to other requests.
| ||||||
| supportingInformation[x] |
O | 0..* | EHDSObservation, EHDSCondition, EHDSProcedure, EHDSMedicationAdministration | Health conditions relevant for the results interpretation, e.g. fasting status, sex for clinical use, etc.
| ||||||
| specimen |
O | 0..* | EHDSSpecimen | Specimens to be used by the laboratory procedure
| ||||||
| Documentation for this format | ||||||||||
Snapshot View
| Name | Flags | Card. | Type | Description & Constraints Filter: | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| EHDSServiceRequest |
0..* | EHDSServiceRequest | Service request model | |||||||
| header |
1..1 | Base | Basic metadata for this information | |||||||
| subject |
O | 1..1 | EHDSPatient | Patient/subject information
| ||||||
| identifier |
O | 0..* | Identifier | Business identifier for the object, unique within its system. Supporting disambiguation between different contexts (systems/countries).
| ||||||
| author[x] |
O | 0..* | Author(s) responsible for the provided information.
| |||||||
| authorEHDSHealthProfessional |
EHDSHealthProfessional | |||||||||
| authorEHDSOrganisation |
EHDSOrganisation | |||||||||
| authorEHDSDevice |
EHDSDevice | |||||||||
| date |
O | 0..1 | dateTime | Date and optionally time of authoring/issuing
| ||||||
| status |
O | 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 |
O | 0..1 | string | Textual description of the requested service
| ||||||
| code |
O | 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 |
O | 0..1 | Quantity | Amount of requested services of the same type
| ||||||
| bodySite |
0..* | EHDSBodyStructure | Anatomic location and laterality where the procedure should be performed. This is the target site. | |||||||
| reason[x] |
O | 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 |
O | 0..1 | CodeableConcept | Indicates how quickly the request should be addressed with respect to other requests. Binding Description: (preferred): HL7 Request Priority
| ||||||
| supportingInformation[x] |
O | 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 |
O | 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 | |||||||
| Documentation for this format | ||||||||||
| 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 EHDSServiceRequest
IG © 2022+ Xt-EHR. Package xtehr.eu.ehds.models#0.4.0 based on FHIR 5.0.0. Generated 2026-03-16
Links:
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QA Report
The Xt-EHR action is co-funded by the European Union, EU4Health Program 2021-2027, under Grant Agreement Nr.º 101128085.
