Union of http://terminology.hl7.org/CodeSystem/MDREX and http://terminology.hl7.org/CodeSystem/MDREX

This is the CodeSystem that contains all the codes in MedDRA expanded (http://terminology.hl7.org/CodeSystem/MDREX) and MedDRA expanded (http://terminology.hl7.org/CodeSystem/MDREX). E.g. what you have to deal with if you get resources containing codes in either of them

CodeSystem

Generated Narrative: CodeSystem 20bc3134-ebe2-4c64-81ac-614a70124787-311

This code system http://hl7.org/fhir/comparison/CodeSystem/20bc3134-ebe2-4c64-81ac-614a70124787-311 defines codes, but no codes are represented here

Code