Change request for QI-Core 6.0 QI-Core Profile-based path  **  Action Include in QI-Core 6.0 Justification DeviceRequest. implicitRules   KEEP YES   DeviceRequest. slices for modifier extension   KEEP YES   DeviceRequest. modifierExtension:doNotPerform   KEEP YES Important to include with disjoint fixed value = False to accommodate DeviceNotRequested profile DeviceRequest.modifierExtension:doNotPerform. url   KEEP YES "http://hl7.org/fhir/5.0/StructureDefinition/extension-DeviceRequest.doNotPerform" DeviceRequest.modifierExtension:doNotPerform.[value [x] http://hl7.org/fhir/us/qicore/STU5/StructureDefinition-qicore-devicerequest-definitions.html#key_DeviceRequest.modifierExtension:doNotPerform.value[x]]   KEEP YES Fixed Value: false DeviceRequest. identifier   KEEP YES   DeviceRequest. status   KEEP YES Required binding to RequestStatus DeviceRequest. intent   KEEP YES Required binding to RequestIntent DeviceRequest.[code [x] http://hl7.org/fhir/us/qicore/STU5/StructureDefinition-qicore-devicerequest-definitions.html#key_DeviceRequest.code[x]]   KEEP YES Preferred binding to FHIR Device Types DeviceRequest. subject   KEEP YES Reference to QICorePatient DeviceRequest. encounter   REMOVE NO No existing use or use case to reference encounter DeviceRequest.[occurence [x] http://hl7.org/fhir/us/qicore/STU5/StructureDefinition-qicore-devicerequest-definitions.html#key_DeviceRequest.occurrence[x]]   REMOVE NO Definition is desired time or schedule for use – no existing use case ]DeviceRequest. authoredOn   KEEP YES dateTime DeviceRequest. requester   REMOVE NO No use case for the individual ordering the device DeviceRequest. performer   REMOVE NO No use case for the individual expected to fill the request DeviceRequest. reasonReference   REMOVE NO No current use case to indicate reason for requesting the device. If such a use case presents, will need to add DeviceRequest.reasonCode as well as .reasonReference