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 8d5e97a5-7160-4288-b89a-aac9d8740552-570
This code system http://hl7.org/fhir/comparison/CodeSystem/8d5e97a5-7160-4288-b89a-aac9d8740552-570 defines codes, but no codes are represented here