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 4c05a9f5-c5c6-415b-bc13-3335b255c8a0-45
This code system http://hl7.org/fhir/comparison/CodeSystem/4c05a9f5-c5c6-415b-bc13-3335b255c8a0-45 defines codes, but no codes are represented here