NameFlagsCard.TypeDescription & Constraintsdoco
.. ReferralRequest DomainResourceA request for referral or transfer of care
... identifier 0..*IdentifierBusiness identifier
... basedOn 0..*Reference(ReferralRequest | CarePlan | DiagnosticOrder | ProcedureRequest)Request fulfilled by this request
... parent Σ0..1IdentifierComposite request this is part of
... status ?! Σ1..1codedraft | active | cancelled | completed | entered-in-error
ReferralStatus (Required)
... category ?! Σ1..1codeproposal | plan | request
ReferralCategory (Required)
... type Σ0..1CodeableConceptReferral/Transition of care request type
... priority Σ0..1CodeableConceptUrgency of referral / transfer of care request
DiagnosticOrderPriority (Example)
... patient Σ0..1Reference(Patient)Patient referred to care or transfer
... context 0..1Reference(Encounter | EpisodeOfCare)Originating encounter
... fulfillmentTime Σ0..1PeriodRequested service(s) fulfillment time
... authored Σ0..1dateTimeDate of creation/activation
... requester Σ0..1Reference(Practitioner | Organization | Patient)Requester of referral / transfer of care
... specialty 0..1CodeableConceptThe clinical specialty (discipline) that the referral is requested for
PractitionerSpecialty (Example)
... recipient Σ0..*Reference(Practitioner | Organization)Receiver of referral / transfer of care request
... reason Σ0..1CodeableConceptReason for referral / transfer of care request
... description 0..1stringA textual description of the referral
... serviceRequested Σ0..*CodeableConceptActions requested as part of the referral
Practice Setting Code Value Set (Example)
... supportingInformation Σ0..*Reference(Any)Additonal information to support referral or transfer of care request

doco Documentation for this format