This is the CodeSystem that contains codes in both AdverseEventCategory (http://terminology.hl7.org/CodeSystem/adverse-event-category) and AdverseEventCategory (http://terminology.hl7.org/CodeSystem/adverse-event-category).
Generated Narrative: CodeSystem ca90e020-d879-4f3a-a3ce-376166f99d8f-39
This code system http://hl7.org/fhir/comparison/CodeSystem/ca90e020-d879-4f3a-a3ce-376166f99d8f-39 defines codes, but no codes are represented here