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 b6242333-f097-400a-ad4a-556fc54d8108-573
This code system http://hl7.org/fhir/comparison/CodeSystem/b6242333-f097-400a-ad4a-556fc54d8108-573
defines codes, but no codes are represented here