{description: 'Validate that a coded value is in the code system. If the operation is not called at the instance level, one of the parameters \"url\" or \"codeSystem\" must be provided. The operation returns a result (true / false), an error message, and the recommended display for the code.\n\nWhen invoking this operation, a client **SHALL** provide one (and only one) of the parameters (code+system, coding, or codeableConcept). Other parameters (including version and display) are optional. When validating a code or a coding, then the code, system and version output parameters **SHOULD** be populated when possible. When a validating a CodeableConcept, then the codeableConcept output parameter **SHOULD** be populated when possible.', package_name: hl7.fhir.r6.core, name: ValidateCode, type: 'true', package_version: 6.0.0-ballot2, class: operation, kind: operation, url: 'http://hl7.org/fhir/OperationDefinition/CodeSystem-validate-code', version: 6.0.0-ballot2}