{description: 'The severity of the adverse event itself, in direct relation to the subject.', package_name: hl7.fhir.uv.xver-r4b.r4.r4, name: AdverseEventSeverity, type: null, package_version: 0.0.1-snapshot-2, class: unknown, kind: null, url: 'http://terminology.hl7.org/CodeSystem/adverse-event-severity', version: 4.3.0}