# Service request model - EHDS Logical Information Models v0.4.0

* [**Table of Contents**](toc.md)
* [**Artifacts Summary**](artifacts.md)
* **Service request model**

## Logical Model: Service request model 

| | |
| :--- | :--- |
| *Official URL*:http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSServiceRequest | *Version*:0.4.0 |
| Draft as of 2026-03-03 | *Computable Name*:EHDSServiceRequest |

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

**Usages:**

* Use this Logical Model: [Encounter model](StructureDefinition-EHDSEncounter.md), [Imaging study model](StructureDefinition-EHDSImagingStudy.md), [Laboratory report model](StructureDefinition-EHDSLaboratoryReport.md), [Observation model](StructureDefinition-EHDSObservation.md) and [Specimen model](StructureDefinition-EHDSSpecimen.md)

You can also check for [usages in the FHIR IG Statistics](https://packages2.fhir.org/xig/xtehr.eu.ehds.models|current/StructureDefinition/EHDSServiceRequest)

### Formal Views of Profile Content

 [Description of Profiles, Differentials, Snapshots and how the different presentations work](http://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#structure-definitions). 

 

Other representations of profile: [CSV](StructureDefinition-EHDSServiceRequest.csv), [Excel](StructureDefinition-EHDSServiceRequest.xlsx) 



## Resource Content

```json
{
  "resourceType" : "StructureDefinition",
  "id" : "EHDSServiceRequest",
  "url" : "http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSServiceRequest",
  "version" : "0.4.0",
  "name" : "EHDSServiceRequest",
  "title" : "Service request model",
  "status" : "draft",
  "date" : "2026-03-03T22:34:02+00:00",
  "publisher" : "Xt-EHR",
  "contact" : [{
    "name" : "Xt-EHR",
    "telecom" : [{
      "system" : "url",
      "value" : "http://www.xt-ehr.eu/"
    }]
  }],
  "description" : "The model covers details about a requested service or services. One order may include several requests.",
  "fhirVersion" : "5.0.0",
  "mapping" : [{
    "identity" : "rim",
    "uri" : "http://hl7.org/v3",
    "name" : "RIM Mapping"
  }],
  "kind" : "logical",
  "abstract" : false,
  "type" : "http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSServiceRequest",
  "baseDefinition" : "http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSDataSet",
  "derivation" : "specialization",
  "differential" : {
    "element" : [{
      "id" : "EHDSServiceRequest",
      "path" : "EHDSServiceRequest",
      "short" : "Service request model",
      "definition" : "The model covers details about a requested service or services. One order may include several requests."
    },
    {
      "id" : "EHDSServiceRequest.description",
      "path" : "EHDSServiceRequest.description",
      "short" : "Textual description of the requested service",
      "definition" : "Textual description of the requested service",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "string"
      }]
    },
    {
      "id" : "EHDSServiceRequest.code",
      "path" : "EHDSServiceRequest.code",
      "short" : "A code and name that identifies a particular service (i.e., procedure, diagnostic investigation, or panel of investigations) that have been requested.",
      "definition" : "A code and name that identifies a particular service (i.e., procedure, diagnostic investigation, or panel of investigations) that have been requested.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "binding" : {
        "strength" : "preferred",
        "description" : "LOINC, NPU, SNOMED CT"
      }
    },
    {
      "id" : "EHDSServiceRequest.quantity",
      "path" : "EHDSServiceRequest.quantity",
      "short" : "Amount of requested services of the same type",
      "definition" : "Amount of requested services of the same type",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "Quantity"
      }]
    },
    {
      "id" : "EHDSServiceRequest.bodySite",
      "path" : "EHDSServiceRequest.bodySite",
      "short" : "Anatomic location and laterality where the procedure should be performed. This is the target site.",
      "definition" : "Anatomic location and laterality where the procedure should be performed. This is the target site.",
      "min" : 0,
      "max" : "*",
      "type" : [{
        "code" : "http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSBodyStructure"
      }]
    },
    {
      "id" : "EHDSServiceRequest.reason[x]",
      "path" : "EHDSServiceRequest.reason[x]",
      "short" : "Reason why this service is being requested.",
      "definition" : "Reason why this service is being requested.",
      "min" : 0,
      "max" : "*",
      "type" : [{
        "code" : "http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSObservation"
      },
      {
        "code" : "http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSCondition"
      },
      {
        "code" : "http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSMedication"
      },
      {
        "code" : "string"
      }],
      "binding" : {
        "strength" : "preferred",
        "description" : "ICD-10, SNOMED CT, Orphacode"
      }
    },
    {
      "id" : "EHDSServiceRequest.priority",
      "path" : "EHDSServiceRequest.priority",
      "short" : "Indicates how quickly the request should be addressed with respect to other requests.",
      "definition" : "Indicates how quickly the request should be addressed with respect to other requests.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "binding" : {
        "strength" : "preferred",
        "description" : "HL7 Request Priority"
      }
    },
    {
      "id" : "EHDSServiceRequest.supportingInformation[x]",
      "path" : "EHDSServiceRequest.supportingInformation[x]",
      "short" : "Health conditions relevant for the results interpretation, e.g. fasting status, sex for clinical use, etc.",
      "definition" : "Health conditions relevant for the results interpretation, e.g. fasting status, sex for clinical use, etc.",
      "min" : 0,
      "max" : "*",
      "type" : [{
        "code" : "http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSObservation"
      },
      {
        "code" : "http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSCondition"
      },
      {
        "code" : "http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSProcedure"
      },
      {
        "code" : "http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSMedicationAdministration"
      }]
    },
    {
      "id" : "EHDSServiceRequest.specimen",
      "path" : "EHDSServiceRequest.specimen",
      "short" : "Specimens to be used by the laboratory procedure",
      "definition" : "Specimens to be used by the laboratory procedure",
      "min" : 0,
      "max" : "*",
      "type" : [{
        "code" : "http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSSpecimen"
      }]
    },
    {
      "id" : "EHDSServiceRequest.encounter",
      "path" : "EHDSServiceRequest.encounter",
      "short" : "The encounter that provides additional information about the healthcare context in which this request is made.",
      "definition" : "The encounter that provides additional information about the healthcare context in which this request is made.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSEncounter"
      }]
    },
    {
      "id" : "EHDSServiceRequest.occurrence[x]",
      "path" : "EHDSServiceRequest.occurrence[x]",
      "short" : "Expected time of the service",
      "definition" : "Expected time of the service",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "dateTime"
      },
      {
        "code" : "Period"
      }]
    },
    {
      "id" : "EHDSServiceRequest.patientInstructions",
      "path" : "EHDSServiceRequest.patientInstructions",
      "short" : "Patient or consumer-oriented instructions",
      "definition" : "Patient or consumer-oriented instructions",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "string"
      }]
    }]
  }
}

```
