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.core derivation: constraint name: The method of arrival of the patient into the facility type: Extension elements: extension: index: 0 slicing: slices: extension: match: {} schema: {index: 0} max: 0 url: type: uri pattern: {type: uri, value: 'http://hl7.org/fhir/StructureDefinition/encounter-modeOfArrival'} index: 1 value: choices: [valueCoding] index: 3 valueCoding: {type: Coding, choiceOf: value, index: 4} package_version: 1.8.0 extensions: extension: {url: null, max: 0, index: 0} class: extension kind: complex-type url: http://hl7.org/fhir/StructureDefinition/encounter-modeOfArrival base: http://hl7.org/fhir/StructureDefinition/Extension version: null required: [value, valueCoding]