description: For requisitions this extension is used to convey the ServiceRequest.requisition identifier in the message header.
package_name: ca.infoway.io.erec
derivation: constraint
name: ReferralIdentifier
type: Extension
elements:
  extension: {index: 0}
  url:
    pattern: {type: Uri, value: 'http://fhir.infoway-inforoute.ca/io/CA-eReC/StructureDefinition/Referral-Identifier-EXT'}
    index: 1
  value:
    choices: [valueIdentifier]
    index: 3
  valueIdentifier: {type: Identifier, choiceOf: value, index: 4}
package_version: 1.1.1-dft-ballot
extensions: {}
class: extension
kind: complex-type
url: http://fhir.infoway-inforoute.ca/io/CA-eReC/StructureDefinition/Referral-Identifier-EXT
base: http://hl7.org/fhir/StructureDefinition/Extension
version: null
required: [valueIdentifier, value]