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 8b15b299-cfe0-4522-854e-5be847352001-45
This code system http://hl7.org/fhir/comparison/CodeSystem/8b15b299-cfe0-4522-854e-5be847352001-45 defines codes, but no codes are represented here