This is the CodeSystem that contains codes in both AdverseEventSeriousness (http://terminology.hl7.org/CodeSystem/adverse-event-seriousness) and AdverseEventSeriousness (http://terminology.hl7.org/CodeSystem/adverse-event-seriousness).
Generated Narrative: CodeSystem f461cb47-c0fc-4377-b2f5-e42619ece628-48
This code system http://hl7.org/fhir/comparison/CodeSystem/f461cb47-c0fc-4377-b2f5-e42619ece628-48 defines codes, but no codes are represented here