This is the CodeSystem that contains codes in both AdverseEventCausalityMethod (http://terminology.hl7.org/CodeSystem/adverse-event-causality-method) and AdverseEventCausalityMethod (http://terminology.hl7.org/CodeSystem/adverse-event-causality-method).
Generated Narrative: CodeSystem 0fe243fb-0325-42eb-9949-7980a81f5112-45
This code system http://hl7.org/fhir/comparison/CodeSystem/0fe243fb-0325-42eb-9949-7980a81f5112-45 defines codes, but no codes are represented here