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 20bc3134-ebe2-4c64-81ac-614a70124787-567
This code system http://hl7.org/fhir/comparison/CodeSystem/20bc3134-ebe2-4c64-81ac-614a70124787-567
defines codes, but no codes are represented here