{description: 'Given a code/system, or a Coding, get additional details about the concept', package_name: hl7.fhir.r2b.core, name: Concept Look Up, type: null, package_version: 1.4.0, class: operation, kind: operation, url: 'http://hl7.org/fhir/OperationDefinition/CodeSystem-lookup', version: null}