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 8fda5be8-6062-499f-986e-4c3692465c28-48
This code system http://hl7.org/fhir/comparison/CodeSystem/8fda5be8-6062-499f-986e-4c3692465c28-48 defines codes, but no codes are represented here