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 b9af8e40-c632-44bd-9daa-82642c2bb7e7-573
This code system http://hl7.org/fhir/comparison/CodeSystem/b9af8e40-c632-44bd-9daa-82642c2bb7e7-573 defines codes, but no codes are represented here