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: rs/ca.infoway.io.core derivation: constraint name: CommunicationBarrier type: Extension elements: extension: {index: 0} url: pattern: {type: uri, value: 'http://fhir.infoway-inforoute.ca/cacore/StructureDefinition/ext-communicationbarrier'} type: uri index: 1 value: choices: [] index: 3 package_version: 1.0.0-dft-preballot extensions: {} class: extension kind: complex-type url: http://fhir.infoway-inforoute.ca/cacore/StructureDefinition/ext-communicationbarrier base: http://hl7.org/fhir/StructureDefinition/Extension version: null