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 7ce0a400-f46c-450c-9a9a-e539c78d0b35-48
This code system http://hl7.org/fhir/comparison/CodeSystem/7ce0a400-f46c-450c-9a9a-e539c78d0b35-48 defines codes, but no codes are represented here