description: Identifies whether a patient arrives at the reporting facility via ambulance and the type of ambulance that was used. package_name: rs/hl7.fhir.r3.core derivation: constraint name: modeOfArrival type: Extension elements: extension: {index: 0} url: type: uri pattern: {type: uri, value: 'http://hl7.org/fhir/StructureDefinition/encounter-modeOfArrival'} index: 1 valueCoding: {type: Coding, index: 2} package_version: 3.0.2 extensions: {} class: extension kind: complex-type url: http://hl7.org/fhir/StructureDefinition/encounter-modeOfArrival base: http://hl7.org/fhir/StructureDefinition/Extension version: null