HL7 Europe Imaging Report R4, published by HL7 Europe. This guide is not an authorized publication; it is the continuous build for version 0.1.1-build built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/hl7-eu/imaging-r4/ and changes regularly. See the Directory of published versions
| Draft as of 2025-08-05 | 
Definitions for the EHDSServiceRequest logical model
Guidance on how to interpret the contents of this table can be foundhere
| 0. EHDSServiceRequest | |
| Definition | EHDS refined base model for Specification of requested service or services | 
| Short | Service request model | 
| Control | 0..* | 
| Is Modifier | false | 
| Logical Model | Instances of this logical model are not marked to be the target of a Reference | 
| 2. EHDSServiceRequest.header | |
| Definition | Common header for all patient-related data | 
| Short | Common header for all patient-related data | 
| Control | 1..1 | 
| Type | Base | 
| 4. EHDSServiceRequest.header.subject | |
| Definition | Patient/subject information | 
| Short | Subject | 
| Control | 1..1 | 
| Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSPatient | 
| 6. EHDSServiceRequest.header.identifier | |
| Definition | Business identifier for the object | 
| Short | Business identifier for the object | 
| Note | This is a business identifier, not a resource identifier (see discussion) | 
| Control | 0..* | 
| Type | Identifier | 
| 8. EHDSServiceRequest.header.authorship | |
| Definition | Resource authoring details | 
| Short | Authorship | 
| Control | 1..* | 
| Type | Base | 
| 10. EHDSServiceRequest.header.authorship.author[x] | |
| Definition | Author(s) by whom the resource was/were authored. Multiple authors could be provided. | 
| Short | Author | 
| Control | 1..1 | 
| Type | Choice of: https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSHealthProfessional, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSOrganisation, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSDevice | 
| [x] Note | SeeChoice of Data Typesfor further information about how to use [x] | 
| 12. EHDSServiceRequest.header.authorship.datetime | |
| Definition | Date and time of the issuing the document/resource by its author. | 
| Short | Date and time of authoring/issuing | 
| Control | 1..1 | 
| Type | dateTime | 
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension | 
| 14. EHDSServiceRequest.header.lastUpdate | |
| Definition | Date and time of the last update to the document/information | 
| Short | Date and time of the last update to the resource | 
| Control | 0..1 | 
| Type | dateTime | 
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension | 
| 16. EHDSServiceRequest.header.status | |
| Definition | Status of the resource | 
| Short | Status of the resource | 
| Control | 1..1 | 
| Type | CodeableConcept | 
| 18. EHDSServiceRequest.header.statusReason[x] | |
| Definition | Reason for the current status of the resource. | 
| Short | Reason for the current status of the resource. | 
| Control | 0..1 | 
| Type | Choice of: CodeableConcept, string | 
| [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 | 
| 20. EHDSServiceRequest.header.language | |
| Definition | Language in which the resource is written. Language is expressed by the IETF language tag. | 
| Short | Language | 
| Control | 0..1 | 
| Binding | BCP 47 | 
| Type | CodeableConcept | 
| 22. EHDSServiceRequest.header.version | |
| Definition | Business version of the resource. | 
| Short | Version | 
| Note | This is a business version Id, not a resource version Id (see discussion) | 
| Control | 0..1 | 
| Type | string | 
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension | 
| 24. EHDSServiceRequest.presentedForm | |
| Definition | A narrative easy-to-read representation of the full data set, e.g. PDF-version of a document | 
| Short | A narrative easy-to-read representation of the full data set, e.g. PDF-version of a document | 
| Control | 0..* | 
| Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSAttachment | 
| 26. EHDSServiceRequest.serviceText | |
| Definition | Textual description of the requested service | 
| Short | Service text | 
| Control | 0..1 | 
| Type | string | 
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension | 
| 28. EHDSServiceRequest.serviceCode | |
| Definition | A code that identifies a particular service (i.e., procedure, diagnostic investigation, or panel of investigations) that have been requested. | 
| Short | Service code | 
| Control | 0..1 | 
| Binding | LOINC, NPU, SNOMED CT | 
| Type | CodeableConcept | 
| 30. EHDSServiceRequest.reasonCode | |
| Definition | Health conditions affecting the health of the patient and are important to be known for a health professional during a health encounter. Clinical conditions of the subject relevant for the results interpretation. | 
| Short | Reason code | 
| Control | 0..* | 
| Binding | ICD-10 (ICD-11 when available), SNOMED CT, Orphacode | 
| Type | CodeableConcept | 
| 32. EHDSServiceRequest.quantity | |
| Definition | Amount of requested services of the same type | 
| Short | Quantity | 
| Control | 0..1 | 
| Type | Quantity | 
| 34. EHDSServiceRequest.anatomicLocation | |
| Definition | Anatomic location and laterality where the procedure should be performed. This is the target site. | 
| Short | Anatomic location | 
| Control | 0..* | 
| Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSBodyStructure | 
| 36. EHDSServiceRequest.reasonReference[x] | |
| Definition | Indicates another resource that provides a justification for why this service is being requested. | 
| Short | Reason reference | 
| Control | 0..* | 
| Type | Choice of: https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSObservation, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSCondition, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSMedication | 
| [x] Note | SeeChoice of Data Typesfor further information about how to use [x] | 
| 38. EHDSServiceRequest.priority | |
| Definition | Indicates how quickly the ServiceRequest should be addressed with respect to other requests. | 
| Short | Priority | 
| Control | 0..1 | 
| Binding | HL7 Request priority | 
| Type | CodeableConcept | 
| 40. EHDSServiceRequest.supportingInformation[x] | |
| Definition | Health conditions relevant for the results interpretation, e.g. fasting status, sex for clinical use, etc. | 
| Short | Supporting information | 
| Control | 0..* | 
| Type | Choice of: https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSObservation, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSCondition, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSProcedure, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSMedicationAdministration | 
| [x] Note | SeeChoice of Data Typesfor further information about how to use [x] | 
| 42. EHDSServiceRequest.specimen | |
| Definition | Specimens to be used by the laboratory procedure | 
| Short | Specimen | 
| Control | 0..* | 
| Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSSpecimen | 
| 44. EHDSServiceRequest.encounter | |
| Definition | An encounter that provides additional information about the healthcare context in which this request is made. | 
| Short | Encounter | 
| Control | 0..1 | 
| Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSEncounter | 
| 46. EHDSServiceRequest.occurrence[x] | |
| Definition | When service should occur | 
| Short | Occurrence | 
| Control | 0..1 | 
| Type | Choice of: dateTime, Period | 
| [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 | 
| 48. EHDSServiceRequest.patientInstructions | |
| Definition | Patient or consumer-oriented instructions | 
| Short | Patient instructions | 
| Control | 0..1 | 
| Type | string | 
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension | 
| 50. EHDSServiceRequest.coverage | |
| Definition | Insurance or medical plan or a payment agreement. | 
| Short | Coverage | 
| Control | 0..* | 
| Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSCoverage | 
Guidance on how to interpret the contents of this table can be foundhere
| 0. EHDSServiceRequest | |
| Definition | EHDS refined base model for Specification of requested service or services | 
| Short | Service request model | 
| Logical Model | Instances of this logical model are not marked to be the target of a Reference | 
| 2. EHDSServiceRequest.serviceText | |
| Definition | Textual description of the requested service | 
| Short | Service text | 
| Control | 0..1 | 
| Type | string | 
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension | 
| 4. EHDSServiceRequest.serviceCode | |
| Definition | A code that identifies a particular service (i.e., procedure, diagnostic investigation, or panel of investigations) that have been requested. | 
| Short | Service code | 
| Control | 0..1 | 
| Binding | LOINC, NPU, SNOMED CT | 
| Type | CodeableConcept | 
| 6. EHDSServiceRequest.reasonCode | |
| Definition | Health conditions affecting the health of the patient and are important to be known for a health professional during a health encounter. Clinical conditions of the subject relevant for the results interpretation. | 
| Short | Reason code | 
| Control | 0..* | 
| Binding | ICD-10 (ICD-11 when available), SNOMED CT, Orphacode | 
| Type | CodeableConcept | 
| 8. EHDSServiceRequest.quantity | |
| Definition | Amount of requested services of the same type | 
| Short | Quantity | 
| Control | 0..1 | 
| Type | Quantity | 
| 10. EHDSServiceRequest.anatomicLocation | |
| Definition | Anatomic location and laterality where the procedure should be performed. This is the target site. | 
| Short | Anatomic location | 
| Control | 0..* | 
| Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSBodyStructure | 
| 12. EHDSServiceRequest.reasonReference[x] | |
| Definition | Indicates another resource that provides a justification for why this service is being requested. | 
| Short | Reason reference | 
| Control | 0..* | 
| Type | Choice of: https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSObservation, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSCondition, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSMedication | 
| [x] Note | SeeChoice of Data Typesfor further information about how to use [x] | 
| 14. EHDSServiceRequest.priority | |
| Definition | Indicates how quickly the ServiceRequest should be addressed with respect to other requests. | 
| Short | Priority | 
| Control | 0..1 | 
| Binding | HL7 Request priority | 
| Type | CodeableConcept | 
| 16. EHDSServiceRequest.supportingInformation[x] | |
| Definition | Health conditions relevant for the results interpretation, e.g. fasting status, sex for clinical use, etc. | 
| Short | Supporting information | 
| Control | 0..* | 
| Type | Choice of: https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSObservation, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSCondition, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSProcedure, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSMedicationAdministration | 
| [x] Note | SeeChoice of Data Typesfor further information about how to use [x] | 
| 18. EHDSServiceRequest.specimen | |
| Definition | Specimens to be used by the laboratory procedure | 
| Short | Specimen | 
| Control | 0..* | 
| Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSSpecimen | 
| 20. EHDSServiceRequest.encounter | |
| Definition | An encounter that provides additional information about the healthcare context in which this request is made. | 
| Short | Encounter | 
| Control | 0..1 | 
| Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSEncounter | 
| 22. EHDSServiceRequest.occurrence[x] | |
| Definition | When service should occur | 
| Short | Occurrence | 
| Control | 0..1 | 
| Type | Choice of: dateTime, Period | 
| [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 | 
| 24. EHDSServiceRequest.patientInstructions | |
| Definition | Patient or consumer-oriented instructions | 
| Short | Patient instructions | 
| Control | 0..1 | 
| Type | string | 
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension | 
| 26. EHDSServiceRequest.coverage | |
| Definition | Insurance or medical plan or a payment agreement. | 
| Short | Coverage | 
| Control | 0..* | 
| Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSCoverage | 
Guidance on how to interpret the contents of this table can be foundhere
| 0. EHDSServiceRequest | |
| Definition | EHDS refined base model for Specification of requested service or services | 
| Short | Service request model | 
| Control | 0..* | 
| Is Modifier | false | 
| Logical Model | Instances of this logical model are not marked to be the target of a Reference | 
| 2. EHDSServiceRequest.header | |
| Definition | Common header for all patient-related data | 
| Short | Common header for all patient-related data | 
| Control | 1..1 | 
| Type | Base | 
| 4. EHDSServiceRequest.header.subject | |
| Definition | Patient/subject information | 
| Short | Subject | 
| Control | 1..1 | 
| Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSPatient | 
| 6. EHDSServiceRequest.header.identifier | |
| Definition | Business identifier for the object | 
| Short | Business identifier for the object | 
| Note | This is a business identifier, not a resource identifier (see discussion) | 
| Control | 0..* | 
| Type | Identifier | 
| 8. EHDSServiceRequest.header.authorship | |
| Definition | Resource authoring details | 
| Short | Authorship | 
| Control | 1..* | 
| Type | Base | 
| 10. EHDSServiceRequest.header.authorship.author[x] | |
| Definition | Author(s) by whom the resource was/were authored. Multiple authors could be provided. | 
| Short | Author | 
| Control | 1..1 | 
| Type | Choice of: https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSHealthProfessional, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSOrganisation, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSDevice | 
| [x] Note | SeeChoice of Data Typesfor further information about how to use [x] | 
| 12. EHDSServiceRequest.header.authorship.datetime | |
| Definition | Date and time of the issuing the document/resource by its author. | 
| Short | Date and time of authoring/issuing | 
| Control | 1..1 | 
| Type | dateTime | 
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension | 
| 14. EHDSServiceRequest.header.lastUpdate | |
| Definition | Date and time of the last update to the document/information | 
| Short | Date and time of the last update to the resource | 
| Control | 0..1 | 
| Type | dateTime | 
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension | 
| 16. EHDSServiceRequest.header.status | |
| Definition | Status of the resource | 
| Short | Status of the resource | 
| Control | 1..1 | 
| Type | CodeableConcept | 
| 18. EHDSServiceRequest.header.statusReason[x] | |
| Definition | Reason for the current status of the resource. | 
| Short | Reason for the current status of the resource. | 
| Control | 0..1 | 
| Type | Choice of: CodeableConcept, string | 
| [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 | 
| 20. EHDSServiceRequest.header.language | |
| Definition | Language in which the resource is written. Language is expressed by the IETF language tag. | 
| Short | Language | 
| Control | 0..1 | 
| Binding | BCP 47 | 
| Type | CodeableConcept | 
| 22. EHDSServiceRequest.header.version | |
| Definition | Business version of the resource. | 
| Short | Version | 
| Note | This is a business version Id, not a resource version Id (see discussion) | 
| Control | 0..1 | 
| Type | string | 
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension | 
| 24. EHDSServiceRequest.presentedForm | |
| Definition | A narrative easy-to-read representation of the full data set, e.g. PDF-version of a document | 
| Short | A narrative easy-to-read representation of the full data set, e.g. PDF-version of a document | 
| Control | 0..* | 
| Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSAttachment | 
| 26. EHDSServiceRequest.serviceText | |
| Definition | Textual description of the requested service | 
| Short | Service text | 
| Control | 0..1 | 
| Type | string | 
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension | 
| 28. EHDSServiceRequest.serviceCode | |
| Definition | A code that identifies a particular service (i.e., procedure, diagnostic investigation, or panel of investigations) that have been requested. | 
| Short | Service code | 
| Control | 0..1 | 
| Binding | LOINC, NPU, SNOMED CT | 
| Type | CodeableConcept | 
| 30. EHDSServiceRequest.reasonCode | |
| Definition | Health conditions affecting the health of the patient and are important to be known for a health professional during a health encounter. Clinical conditions of the subject relevant for the results interpretation. | 
| Short | Reason code | 
| Control | 0..* | 
| Binding | ICD-10 (ICD-11 when available), SNOMED CT, Orphacode | 
| Type | CodeableConcept | 
| 32. EHDSServiceRequest.quantity | |
| Definition | Amount of requested services of the same type | 
| Short | Quantity | 
| Control | 0..1 | 
| Type | Quantity | 
| 34. EHDSServiceRequest.anatomicLocation | |
| Definition | Anatomic location and laterality where the procedure should be performed. This is the target site. | 
| Short | Anatomic location | 
| Control | 0..* | 
| Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSBodyStructure | 
| 36. EHDSServiceRequest.reasonReference[x] | |
| Definition | Indicates another resource that provides a justification for why this service is being requested. | 
| Short | Reason reference | 
| Control | 0..* | 
| Type | Choice of: https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSObservation, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSCondition, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSMedication | 
| [x] Note | SeeChoice of Data Typesfor further information about how to use [x] | 
| 38. EHDSServiceRequest.priority | |
| Definition | Indicates how quickly the ServiceRequest should be addressed with respect to other requests. | 
| Short | Priority | 
| Control | 0..1 | 
| Binding | HL7 Request priority | 
| Type | CodeableConcept | 
| 40. EHDSServiceRequest.supportingInformation[x] | |
| Definition | Health conditions relevant for the results interpretation, e.g. fasting status, sex for clinical use, etc. | 
| Short | Supporting information | 
| Control | 0..* | 
| Type | Choice of: https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSObservation, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSCondition, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSProcedure, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSMedicationAdministration | 
| [x] Note | SeeChoice of Data Typesfor further information about how to use [x] | 
| 42. EHDSServiceRequest.specimen | |
| Definition | Specimens to be used by the laboratory procedure | 
| Short | Specimen | 
| Control | 0..* | 
| Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSSpecimen | 
| 44. EHDSServiceRequest.encounter | |
| Definition | An encounter that provides additional information about the healthcare context in which this request is made. | 
| Short | Encounter | 
| Control | 0..1 | 
| Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSEncounter | 
| 46. EHDSServiceRequest.occurrence[x] | |
| Definition | When service should occur | 
| Short | Occurrence | 
| Control | 0..1 | 
| Type | Choice of: dateTime, Period | 
| [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 | 
| 48. EHDSServiceRequest.patientInstructions | |
| Definition | Patient or consumer-oriented instructions | 
| Short | Patient instructions | 
| Control | 0..1 | 
| Type | string | 
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension | 
| 50. EHDSServiceRequest.coverage | |
| Definition | Insurance or medical plan or a payment agreement. | 
| Short | Coverage | 
| Control | 0..* | 
| Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSCoverage |