description: The extension is required to identify if the patient speaks/understands an offical language (english/french), or if an interpretor is required. package_name: ca.infoway.io.core derivation: constraint name: CommunicationBarrier type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'http://fhir.infoway-inforoute.ca/ca-ext/StructureDefinition/patient-communicationBarrier'} index: 1 value: choices: [valueCodeableConcept] index: 3 valueCodeableConcept: {type: CodeableConcept, choiceOf: value, index: 4} package_version: 1.1.0-dft-preballot extensions: {} class: extension kind: complex-type url: http://fhir.infoway-inforoute.ca/ca-ext/StructureDefinition/patient-communicationBarrier base: http://hl7.org/fhir/StructureDefinition/Extension version: 1.1.0