Lookup for FHIR R2 ReferralRequest for use in FHIR R4

Source ElementUsageTarget
ReferralRequest.idUseElementRenamedServiceRequest.id
ReferralRequest.metaUseElementRenamedServiceRequest.meta
ReferralRequest.implicitRulesUseElementRenamedServiceRequest.implicitRules
ReferralRequest.languageUseElementRenamedServiceRequest.language
ReferralRequest.textUseElementRenamedServiceRequest.text
ReferralRequest.containedUseElementRenamedServiceRequest.contained
ReferralRequest.extensionUseElementRenamedServiceRequest.extension
ReferralRequest.modifierExtensionUseElementRenamedServiceRequest.modifierExtension
ReferralRequest.statusUseExtensionhttp://hl7.org/fhir/1.0/StructureDefinition/extension-ReferralRequest.status
ReferralRequest.identifierUseElementRenamedServiceRequest.identifier
ReferralRequest.dateUseElementRenamedServiceRequest.authoredOn
ReferralRequest.typeUseElementRenamedServiceRequest.category
ReferralRequest.specialtyUseExtensionhttp://hl7.org/fhir/1.0/StructureDefinition/extension-ReferralRequest.specialty
ReferralRequest.priorityUseElementRenamedServiceRequest.priority
ReferralRequest.patientUseExtensionhttp://hl7.org/fhir/1.0/StructureDefinition/extension-ReferralRequest.patient
ReferralRequest.requesterUseExtensionhttp://hl7.org/fhir/1.0/StructureDefinition/extension-ReferralRequest.requester
ReferralRequest.recipientUseExtensionhttp://hl7.org/fhir/1.0/StructureDefinition/extension-ReferralRequest.recipient
ReferralRequest.encounterUseExtensionhttp://hl7.org/fhir/1.0/StructureDefinition/extension-ReferralRequest.encounter
ReferralRequest.dateSentUseExtensionhttp://hl7.org/fhir/1.0/StructureDefinition/extension-ReferralRequest.dateSent
ReferralRequest.reasonUseElementRenamedServiceRequest.reasonCode
ReferralRequest.descriptionUseExtensionhttp://hl7.org/fhir/1.0/StructureDefinition/extension-ReferralRequest.description
ReferralRequest.serviceRequestedUseExtensionhttp://hl7.org/fhir/1.0/StructureDefinition/extension-ReferralRequest.serviceRequested
ReferralRequest.supportingInformationUseElementRenamedServiceRequest.supportingInfo
ReferralRequest.fulfillmentTimeUseElementRenamedServiceRequest.occurrence[x]