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 974a4042-5ef9-4d87-bcaa-92de671fa085-45
This code system http://hl7.org/fhir/comparison/CodeSystem/974a4042-5ef9-4d87-bcaa-92de671fa085-45 defines codes, but no codes are represented here