{
  "description": null,
  "_filename": "NHSDigital-MedicationRequest.StructureDefinition.json",
  "package_name": "uk.nhsdigital.medicines.r4",
  "date": null,
  "derivation": "constraint",
  "publisher": null,
  "fhirVersion": "4.0.1",
  "name": "NHSDigitalMedicationRequest",
  "mapping": [ {
    "uri": "http://hl7.org/fhir/workflow",
    "name": "Workflow Pattern",
    "identity": "workflow"
  }, {
    "uri": "http://ncpdp.org/SCRIPT10_6",
    "name": "Mapping to NCPDP SCRIPT 10.6",
    "identity": "script10.6"
  }, {
    "uri": "http://hl7.org/v3",
    "name": "RIM Mapping",
    "identity": "rim"
  }, {
    "uri": "http://hl7.org/fhir/fivews",
    "name": "FiveWs Pattern Mapping",
    "identity": "w5"
  }, {
    "uri": "http://hl7.org/v2",
    "name": "HL7 v2 Mapping",
    "identity": "v2"
  } ],
  "abstract": false,
  "type": "MedicationRequest",
  "experimental": null,
  "resourceType": "StructureDefinition",
  "title": null,
  "package_version": "2.2.0",
  "status": "draft",
  "id": "2cd3dd58-4b0c-4c14-84a2-90e3a4c36735",
  "kind": "resource",
  "url": "https://fhir.nhs.uk/StructureDefinition/NHSDigital-MedicationRequest",
  "version": null,
  "differential": {
    "element": [ {
      "id": "MedicationRequest",
      "path": "MedicationRequest",
      "constraint": [ {
        "key": "eps-1",
        "human": "medication[x] - Only one of medicationReference or medicationCodeableConcept should be provided",
        "source": "https://fhir.nhs.uk/StructureDefinition/NHSDigital-MedicationRequest",
        "severity": "error",
        "expression": "(medicationReference.exists() and medicationCodeableConcept.exists().not()) or (medicationReference.exists().not() and medicationCodeableConcept.exists())"
      }, {
        "key": "eps-cd1",
        "human": "Extension(controlledDrug) - For schedule 2 or 3 Controlled Drugs, the quantity must be expressed in words",
        "source": "https://fhir.nhs.uk/StructureDefinition/NHSDigital-MedicationRequest",
        "severity": "error",
        "expression": "((extension('https://fhir.nhs.uk/StructureDefinition/Extension-DM-ControlledDrug').extension('schedule').value.code='CD2' and  extension('https://fhir.nhs.uk/StructureDefinition/Extension-DM-ControlledDrug').extension('quantityWords').exists()) or (extension('https://fhir.nhs.uk/StructureDefinition/Extension-DM-ControlledDrug').extension('schedule').value.code='CD2' and  extension('https://fhir.nhs.uk/StructureDefinition/Extension-DM-ControlledDrug').extension('quantityWords').exists()) or (extension('https://fhir.nhs.uk/StructureDefinition/Extension-DM-ControlledDrug').extension('schedule').value.code != 'CD2' and extension('https://fhir.nhs.uk/StructureDefinition/Extension-DM-ControlledDrug').extension('schedule').value.code != 'CD3') and extension('https://fhir.nhs.uk/StructureDefinition/Extension-DM-ControlledDrug').exists()) or (extension('https://fhir.nhs.uk/StructureDefinition/Extension-DM-ControlledDrug').exists().not())"
      }, {
        "key": "eps-5",
        "human": "Extension(responsiblePractitioner) - An identifier or resource reference must be provided",
        "source": "https://fhir.nhs.uk/StructureDefinition/NHSDigital-MedicationRequest",
        "severity": "error",
        "expression": "extension('https://fhir.nhs.uk/StructureDefinition/Extension-DM-ResponsiblePractitioner').exists().not() or (extension('https://fhir.nhs.uk/StructureDefinition/Extension-DM-ResponsiblePractitioner').value.reference.exists() or extension('https://fhir.nhs.uk/StructureDefinition/Extension-DM-ResponsiblePractitioner').value.system.exists())"
      }, {
        "key": "eps-6",
        "human": "Extension repeatInformation is required for continuous, continuous-repeat-dispensing and instalment-dispensing MedicationRequests. It is not required for actue MedicationRequests",
        "source": "https://fhir.nhs.uk/StructureDefinition/NHSDigital-MedicationRequest",
        "severity": "error",
        "expression": "(courseOfTherapyType.coding.code.startsWith('acute') and extension('https://fhir.hl7.org.uk/StructureDefinition/Extension-UKCore-MedicationRepeatInformation').exists().not()) or  ((courseOfTherapyType.coding.code.startsWith('continuous') or courseOfTherapyType.coding.code.startsWith('instalment')) and extension('https://fhir.hl7.org.uk/StructureDefinition/Extension-UKCore-MedicationRepeatInformation').exists())"
      }, {
        "key": "eps-7",
        "human": "For continuous-repeat-dispensing intent must be reflex-order or original-order",
        "source": "https://fhir.nhs.uk/StructureDefinition/NHSDigital-MedicationRequest",
        "severity": "warning",
        "expression": "(courseOfTherapyType.coding.code != 'continuous-repeat-dispensing') or ((courseOfTherapyType.coding.code = 'continuous-repeat-dispensing') and ((intent ='original-order') or (intent ='reflex-order')))"
      }, {
        "key": "eps-8",
        "human": "For instalment-dispensing intent must be instance-order or original-order",
        "source": "https://fhir.nhs.uk/StructureDefinition/NHSDigital-MedicationRequest",
        "severity": "error",
        "expression": "(courseOfTherapyType.coding.code != 'instalment-dispensing') or ((courseOfTherapyType.coding.code = 'instalment-dispensing') and ((intent ='original-order') or (intent ='instance-order')))"
      }, {
        "key": "eps-9",
        "human": "dispenseRequest.numberOfRepeatsAllowed should be populated for continuous, continuous-repeat-dispensing and instalment-dispensing MedicationRequests.",
        "source": "https://fhir.nhs.uk/StructureDefinition/NHSDigital-MedicationRequest",
        "severity": "warning",
        "expression": "(courseOfTherapyType.coding.code.startsWith('acute')) or  ((courseOfTherapyType.coding.code.startsWith('continuous') or courseOfTherapyType.coding.code.startsWith('instalment')) and dispenseRequest.exists() and dispenseRequest.numberOfRepeatsAllowed.exists())"
      } ]
    }, {
      "id": "MedicationRequest.extension",
      "min": 1,
      "path": "MedicationRequest.extension",
      "slicing": {
        "rules": "open",
        "discriminator": [ {
          "path": "url",
          "type": "value"
        } ]
      }
    }, {
      "id": "MedicationRequest.extension:medicationRepeatInformation",
      "min": 0,
      "path": "MedicationRequest.extension",
      "sliceName": "medicationRepeatInformation",
      "mustSupport": true
    }, {
      "id": "MedicationRequest.extension:responsiblePractitioner",
      "max": "1",
      "min": 0,
      "path": "MedicationRequest.extension",
      "type": [ {
        "code": "Extension",
        "profile": [ "https://fhir.nhs.uk/StructureDefinition/Extension-DM-ResponsiblePractitioner" ]
      } ],
      "sliceName": "responsiblePractitioner",
      "mustSupport": true
    }, {
      "id": "MedicationRequest.extension:prescriptionEndorsement",
      "min": 0,
      "path": "MedicationRequest.extension",
      "type": [ {
        "code": "Extension",
        "profile": [ "https://fhir.nhs.uk/StructureDefinition/Extension-DM-PrescriptionEndorsement" ]
      } ],
      "sliceName": "prescriptionEndorsement",
      "mustSupport": true
    }, {
      "id": "MedicationRequest.extension:prescriptionTaskStatusReason",
      "min": 0,
      "path": "MedicationRequest.extension",
      "type": [ {
        "code": "Extension",
        "profile": [ "https://fhir.nhs.uk/StructureDefinition/Extension-DM-PrescriptionStatusHistory" ]
      } ],
      "sliceName": "prescriptionTaskStatusReason",
      "definition": "The status history within EPS is primarily a technical Status and the statusReason will reflect current clinical status of the order."
    }, {
      "id": "MedicationRequest.extension:NHSBSAprescriptionType",
      "min": 1,
      "path": "MedicationRequest.extension",
      "type": [ {
        "code": "Extension",
        "profile": [ "https://fhir.nhs.uk/StructureDefinition/Extension-DM-PrescriptionType" ]
      } ],
      "sliceName": "NHSBSAprescriptionType",
      "mustSupport": true
    }, {
      "id": "MedicationRequest.extension:controlledDrug",
      "max": "1",
      "min": 0,
      "path": "MedicationRequest.extension",
      "type": [ {
        "code": "Extension",
        "profile": [ "https://fhir.nhs.uk/StructureDefinition/Extension-DM-ControlledDrug" ]
      } ],
      "sliceName": "controlledDrug",
      "mustSupport": true
    }, {
      "id": "MedicationRequest.extension:dispensingInformation",
      "max": "1",
      "min": 0,
      "path": "MedicationRequest.extension",
      "type": [ {
        "code": "Extension",
        "profile": [ "https://fhir.nhs.uk/StructureDefinition/Extension-EPS-DispensingInformation" ]
      } ],
      "short": "For EPS use only",
      "sliceName": "dispensingInformation",
      "definition": "Not to be populated by prescribing systems. Tracking systems only for repeat dispensing."
    }, {
      "id": "MedicationRequest.identifier",
      "min": 1,
      "path": "MedicationRequest.identifier",
      "slicing": {
        "rules": "open",
        "discriminator": [ {
          "path": "system",
          "type": "value"
        } ]
      },
      "mustSupport": true
    }, {
      "id": "MedicationRequest.identifier:prescriptionOrderItem",
      "max": "1",
      "min": 1,
      "path": "MedicationRequest.identifier",
      "short": "Prescription Order Item",
      "sliceName": "prescriptionOrderItem",
      "definition": "Unique Id of the MedicationRequest within EPS"
    }, {
      "id": "MedicationRequest.identifier:prescriptionOrderItem.system",
      "min": 1,
      "path": "MedicationRequest.identifier.system",
      "fixedUri": "https://fhir.nhs.uk/Id/prescription-order-item-number"
    }, {
      "id": "MedicationRequest.identifier:prescriptionOrderItem.value",
      "min": 1,
      "path": "MedicationRequest.identifier.value"
    }, {
      "id": "MedicationRequest.status",
      "path": "MedicationRequest.status",
      "mustSupport": true
    }, {
      "id": "MedicationRequest.statusReason",
      "path": "MedicationRequest.statusReason",
      "binding": {
        "strength": "required",
        "valueSet": "https://fhir.nhs.uk/ValueSet/DM-medicationrequest-status-reason"
      },
      "definition": "Mandatory for cancelled prescription items",
      "mustSupport": true
    }, {
      "id": "MedicationRequest.statusReason.coding",
      "max": "1",
      "min": 1,
      "path": "MedicationRequest.statusReason.coding"
    }, {
      "id": "MedicationRequest.statusReason.coding.system",
      "min": 1,
      "path": "MedicationRequest.statusReason.coding.system"
    }, {
      "id": "MedicationRequest.statusReason.coding.code",
      "min": 1,
      "path": "MedicationRequest.statusReason.coding.code"
    }, {
      "id": "MedicationRequest.statusReason.coding.display",
      "min": 1,
      "path": "MedicationRequest.statusReason.coding.display"
    }, {
      "id": "MedicationRequest.category",
      "min": 1,
      "path": "MedicationRequest.category",
      "mustSupport": true
    }, {
      "id": "MedicationRequest.category.coding",
      "max": "1",
      "min": 1,
      "path": "MedicationRequest.category.coding",
      "slicing": {
        "rules": "open",
        "discriminator": [ {
          "path": "system",
          "type": "value"
        } ]
      }
    }, {
      "id": "MedicationRequest.category.coding:patientClassFHIR",
      "max": "1",
      "path": "MedicationRequest.category.coding",
      "binding": {
        "strength": "required",
        "valueSet": "https://fhir.nhs.uk/ValueSet/DM-medicationrequest-category"
      },
      "sliceName": "patientClassFHIR"
    }, {
      "id": "MedicationRequest.category.coding:patientClassFHIR.system",
      "min": 1,
      "path": "MedicationRequest.category.coding.system",
      "fixedUri": "http://terminology.hl7.org/CodeSystem/medicationrequest-category"
    }, {
      "id": "MedicationRequest.category.coding:patientClassFHIR.code",
      "min": 1,
      "path": "MedicationRequest.category.coding.code"
    }, {
      "id": "MedicationRequest.category.coding:patientClassUK",
      "max": "1",
      "path": "MedicationRequest.category.coding",
      "binding": {
        "strength": "required",
        "valueSet": "https://fhir.nhs.uk/ValueSet/DM-medicationrequest-category"
      },
      "sliceName": "patientClassUK"
    }, {
      "id": "MedicationRequest.category.coding:patientClassUK.system",
      "min": 1,
      "path": "MedicationRequest.category.coding.system",
      "fixedUri": "https://fhir.nhs.uk/CodeSystem/medicationrequest-category"
    }, {
      "id": "MedicationRequest.category.coding:patientClassUK.code",
      "min": 1,
      "path": "MedicationRequest.category.coding.code"
    }, {
      "id": "MedicationRequest.medication[x]",
      "path": "MedicationRequest.medication[x]",
      "type": [ {
        "code": "CodeableConcept",
        "profile": [ "https://fhir.nhs.uk/StructureDefinition/NHSDigital-MedicationRequest-CodeableConcept" ]
      }, {
        "code": "Reference",
        "aggregation": [ "bundled" ],
        "targetProfile": [ "https://fhir.nhs.uk/StructureDefinition/NHSDigital-MedicationRequest-Medication" ]
      } ],
      "comment": "Any code from the SnomedCT UK DMD subset for VMP, AMP and VTM concepts",
      "mustSupport": true
    }, {
      "id": "MedicationRequest.subject",
      "path": "MedicationRequest.subject",
      "type": [ {
        "code": "Reference",
        "targetProfile": [ "https://fhir.nhs.uk/StructureDefinition/NHSDigital-Patient" ]
      } ],
      "mustSupport": true
    }, {
      "id": "MedicationRequest.subject.reference",
      "min": 1,
      "path": "MedicationRequest.subject.reference"
    }, {
      "id": "MedicationRequest.subject.identifier.system",
      "min": 1,
      "path": "MedicationRequest.subject.identifier.system",
      "fixedUri": "https://fhir.nhs.uk/Id/nhs-number"
    }, {
      "id": "MedicationRequest.subject.identifier.value",
      "min": 1,
      "path": "MedicationRequest.subject.identifier.value"
    }, {
      "id": "MedicationRequest.encounter",
      "path": "MedicationRequest.encounter",
      "type": [ {
        "code": "Reference",
        "targetProfile": [ "https://fhir.nhs.uk/StructureDefinition/NHSDigital-Encounter" ]
      } ],
      "definition": "Encounter is required for secondary care prescriptions."
    }, {
      "id": "MedicationRequest.authoredOn",
      "min": 1,
      "path": "MedicationRequest.authoredOn",
      "mustSupport": true
    }, {
      "id": "MedicationRequest.requester",
      "min": 1,
      "path": "MedicationRequest.requester",
      "type": [ {
        "code": "Reference",
        "targetProfile": [ "https://fhir.nhs.uk/StructureDefinition/NHSDigital-PractitionerRole" ]
      } ],
      "constraint": [ {
        "key": "eps-3",
        "human": "requester - An identifier reference plus a display name or resource reference must be provided",
        "source": "https://fhir.nhs.uk/StructureDefinition/NHSDigital-MedicationRequest",
        "severity": "error",
        "expression": "(reference.exists() or (identifier.exists() and display.exists()))"
      } ],
      "mustSupport": true
    }, {
      "id": "MedicationRequest.recorder",
      "path": "MedicationRequest.recorder",
      "type": [ {
        "code": "Reference",
        "targetProfile": [ "https://fhir.nhs.uk/StructureDefinition/NHSDigital-Practitioner" ]
      } ],
      "constraint": [ {
        "key": "eps-4",
        "human": "recorder - An identifier reference plus a display name or resource reference must be provided",
        "source": "https://fhir.nhs.uk/StructureDefinition/NHSDigital-MedicationRequest",
        "severity": "error",
        "expression": "(reference.exists() or (identifier.exists() and display.exists()))"
      } ]
    }, {
      "id": "MedicationRequest.basedOn",
      "path": "MedicationRequest.basedOn",
      "type": [ {
        "code": "Reference",
        "targetProfile": [ "http://hl7.org/fhir/StructureDefinition/ImmunizationRecommendation", "https://fhir.nhs.uk/StructureDefinition/NHSDigital-MedicationRequest" ]
      } ]
    }, {
      "id": "MedicationRequest.groupIdentifier",
      "min": 1,
      "path": "MedicationRequest.groupIdentifier",
      "short": "order number for grouped MedicationRequests",
      "comment": "ITK HL7v3 Mapping = The groupIdentifier is equivalent to ParentPrescription.id (prescription-order-number). The extension is used to carry the ParentPrescription.id (UUID).",
      "definition": "The short form prescription identifier",
      "mustSupport": true
    }, {
      "id": "MedicationRequest.groupIdentifier.extension",
      "min": 1,
      "path": "MedicationRequest.groupIdentifier.extension",
      "slicing": {
        "rules": "open",
        "discriminator": [ {
          "path": "url",
          "type": "value"
        } ]
      }
    }, {
      "id": "MedicationRequest.groupIdentifier.extension:PrescriptionOrderUUID",
      "min": 1,
      "path": "MedicationRequest.groupIdentifier.extension",
      "type": [ {
        "code": "Extension",
        "profile": [ "https://fhir.nhs.uk/StructureDefinition/Extension-DM-PrescriptionId" ]
      } ],
      "short": "UUID order number for grouped MedciationRequests",
      "sliceName": "PrescriptionOrderUUID"
    }, {
      "id": "MedicationRequest.groupIdentifier.extension:PrescriptionOrderUUID.value[x].system",
      "min": 1,
      "path": "MedicationRequest.groupIdentifier.extension.value[x].system"
    }, {
      "id": "MedicationRequest.groupIdentifier.extension:PrescriptionOrderUUID.value[x].value",
      "min": 1,
      "path": "MedicationRequest.groupIdentifier.extension.value[x].value"
    }, {
      "id": "MedicationRequest.groupIdentifier.system",
      "min": 1,
      "path": "MedicationRequest.groupIdentifier.system",
      "fixedUri": "https://fhir.nhs.uk/Id/prescription-order-number"
    }, {
      "id": "MedicationRequest.groupIdentifier.value",
      "min": 1,
      "path": "MedicationRequest.groupIdentifier.value"
    }, {
      "id": "MedicationRequest.courseOfTherapyType",
      "min": 1,
      "path": "MedicationRequest.courseOfTherapyType",
      "binding": {
        "strength": "required",
        "valueSet": "https://fhir.nhs.uk/ValueSet/DM-medicationrequest-course-of-therapy"
      },
      "comment": "The type of prescription e.g. acute, continuous, etc. Was extension in STU3 https://fhir.hl7.org.uk/STU3/StructureDefinition/Extension-CareConnect-PrescriptionType-1 and Digital Medicine uses international codes, so continuous in place of repeat.",
      "definition": "The description of the overall pattern of the administration of the medication to the patient.\r\nRequired for prescription-order",
      "mustSupport": true
    }, {
      "id": "MedicationRequest.courseOfTherapyType.coding",
      "max": "1",
      "min": 1,
      "path": "MedicationRequest.courseOfTherapyType.coding"
    }, {
      "id": "MedicationRequest.courseOfTherapyType.coding.system",
      "min": 1,
      "path": "MedicationRequest.courseOfTherapyType.coding.system"
    }, {
      "id": "MedicationRequest.courseOfTherapyType.coding.code",
      "min": 1,
      "path": "MedicationRequest.courseOfTherapyType.coding.code"
    }, {
      "id": "MedicationRequest.note",
      "path": "MedicationRequest.note",
      "mustSupport": true
    }, {
      "id": "MedicationRequest.dosageInstruction",
      "min": 1,
      "path": "MedicationRequest.dosageInstruction",
      "mustSupport": true
    }, {
      "id": "MedicationRequest.dosageInstruction.text",
      "min": 1,
      "path": "MedicationRequest.dosageInstruction.text",
      "comment": "ITK Mapping = pertinentInformation2.pertinentLineItem.pertinentInformation2.pertinentDosageInstructions.value"
    }, {
      "id": "MedicationRequest.dispenseRequest",
      "min": 1,
      "path": "MedicationRequest.dispenseRequest",
      "mustSupport": true
    }, {
      "id": "MedicationRequest.dispenseRequest.id",
      "max": "0",
      "path": "MedicationRequest.dispenseRequest.id"
    }, {
      "id": "MedicationRequest.dispenseRequest.extension",
      "min": 1,
      "path": "MedicationRequest.dispenseRequest.extension",
      "slicing": {
        "rules": "open",
        "discriminator": [ {
          "path": "url",
          "type": "value"
        } ]
      }
    }, {
      "id": "MedicationRequest.dispenseRequest.extension:performerSiteType",
      "min": 1,
      "path": "MedicationRequest.dispenseRequest.extension",
      "type": [ {
        "code": "Extension",
        "profile": [ "https://fhir.nhs.uk/StructureDefinition/Extension-DM-PerformerSiteType" ]
      } ],
      "short": "type of dispensing organisation",
      "sliceName": "performerSiteType",
      "mustSupport": true
    }, {
      "id": "MedicationRequest.dispenseRequest.validityPeriod",
      "path": "MedicationRequest.dispenseRequest.validityPeriod",
      "mustSupport": true
    }, {
      "id": "MedicationRequest.dispenseRequest.validityPeriod.start",
      "min": 1,
      "path": "MedicationRequest.dispenseRequest.validityPeriod.start"
    }, {
      "id": "MedicationRequest.dispenseRequest.numberOfRepeatsAllowed",
      "path": "MedicationRequest.dispenseRequest.numberOfRepeatsAllowed",
      "mustSupport": true
    }, {
      "id": "MedicationRequest.dispenseRequest.quantity",
      "min": 1,
      "path": "MedicationRequest.dispenseRequest.quantity",
      "mustSupport": true
    }, {
      "id": "MedicationRequest.dispenseRequest.quantity.value",
      "min": 1,
      "path": "MedicationRequest.dispenseRequest.quantity.value"
    }, {
      "id": "MedicationRequest.dispenseRequest.quantity.unit",
      "min": 1,
      "path": "MedicationRequest.dispenseRequest.quantity.unit"
    }, {
      "id": "MedicationRequest.dispenseRequest.quantity.code",
      "min": 1,
      "path": "MedicationRequest.dispenseRequest.quantity.code"
    }, {
      "id": "MedicationRequest.dispenseRequest.expectedSupplyDuration",
      "path": "MedicationRequest.dispenseRequest.expectedSupplyDuration",
      "mustSupport": true
    }, {
      "id": "MedicationRequest.dispenseRequest.expectedSupplyDuration.value",
      "min": 1,
      "path": "MedicationRequest.dispenseRequest.expectedSupplyDuration.value"
    }, {
      "id": "MedicationRequest.dispenseRequest.expectedSupplyDuration.code",
      "min": 1,
      "path": "MedicationRequest.dispenseRequest.expectedSupplyDuration.code",
      "fixedCode": "d"
    }, {
      "id": "MedicationRequest.dispenseRequest.performer",
      "path": "MedicationRequest.dispenseRequest.performer",
      "type": [ {
        "code": "Reference",
        "targetProfile": [ "https://fhir.nhs.uk/StructureDefinition/NHSDigital-Organization" ]
      } ],
      "definition": "Indicates the intended dispensing Pharmacy specified by the patient. Can be sourced from nominatedPharmacy in the Patient Demographics Service (PDS)",
      "mustSupport": true
    }, {
      "id": "MedicationRequest.dispenseRequest.performer.extension",
      "min": 0,
      "path": "MedicationRequest.dispenseRequest.performer.extension",
      "slicing": {
        "rules": "open",
        "discriminator": [ {
          "path": "url",
          "type": "value"
        } ]
      }
    }, {
      "id": "MedicationRequest.dispenseRequest.performer.extension:practitionerRole",
      "max": "1",
      "min": 0,
      "path": "MedicationRequest.dispenseRequest.performer.extension",
      "type": [ {
        "code": "Extension",
        "profile": [ "https://fhir.nhs.uk/StructureDefinition/Extension-DM-DispensingPerformer" ]
      } ],
      "sliceName": "practitionerRole"
    }, {
      "id": "MedicationRequest.dispenseRequest.performer.identifier",
      "min": 1,
      "path": "MedicationRequest.dispenseRequest.performer.identifier"
    }, {
      "id": "MedicationRequest.dispenseRequest.performer.identifier.system",
      "min": 1,
      "path": "MedicationRequest.dispenseRequest.performer.identifier.system",
      "fixedUri": "https://fhir.nhs.uk/Id/ods-organization-code"
    }, {
      "id": "MedicationRequest.dispenseRequest.performer.identifier.value",
      "min": 1,
      "path": "MedicationRequest.dispenseRequest.performer.identifier.value"
    }, {
      "id": "MedicationRequest.substitution",
      "path": "MedicationRequest.substitution",
      "comment": "Substituition is a mandatory requirement for EPS.",
      "definition": "Indicates whether or not substitution can or should be part of the dispense. In some cases, substitution must happen, in other cases substitution must not happen. This block explains the prescriber's intent. If nothing is specified substitution may be done. In most cases this should default to false.",
      "mustSupport": true
    }, {
      "id": "MedicationRequest.substitution.allowed[x]",
      "path": "MedicationRequest.substitution.allowed[x]",
      "type": [ {
        "code": "boolean"
      } ]
    }, {
      "id": "MedicationRequest.eventHistory",
      "path": "MedicationRequest.eventHistory",
      "type": [ {
        "code": "Reference",
        "targetProfile": [ "https://fhir.nhs.uk/StructureDefinition/NHSDigital-Provenance" ]
      } ]
    } ]
  },
  "baseDefinition": "https://fhir.hl7.org.uk/StructureDefinition/UKCore-MedicationRequest"
}