description: Extension for capturing referral location information in Emergency Department notes package_name: synapxe.sgcdi derivation: constraint name: referralLocation type: Extension elements: url: pattern: {type: Uri, value: 'https://fhir.synapxe.sg/StructureDefinition/ext-ed-referralLocation'} index: 0 value: short: Referral location choices: [valueCodeableConcept] index: 2 valueCodeableConcept: {type: CodeableConcept, short: Referral location, choiceOf: value, index: 3} package_version: 1.0.8 class: extension kind: complex-type url: https://fhir.synapxe.sg/StructureDefinition/ext-ed-referralLocation base: http://hl7.org/fhir/StructureDefinition/Extension version: null required: [value, valueCodeableConcept]