{description: 'Common terminology criteria (CTC) grades associated with the severity of an adverse event, expressed as integers, 0 through 5, with 0 representing no adverse event, and 5 representing death.', package_name: hl7.fhir.us.codex-radiation-therapy.r4b, name: AdverseEventSeverityOrGradeCS, type: null, package_version: 1.0.0, class: unknown, kind: null, url: 'http://hl7.org/fhir/us/codex-radiation-therapy/CodeSystem/codexrt-radiotheraphy-adverse-event-severity-or-gradeCS', version: 1.0.0}