This is the CodeSystem that contains codes in both Pharmacogene Variation (http://www.pharmvar.org) and Pharmacogene Variation (http://www.pharmvar.org).
Generated Narrative: CodeSystem 21d0d52d-6932-4516-ad29-944d62abcb69-459
This code system http://hl7.org/fhir/comparison/CodeSystem/21d0d52d-6932-4516-ad29-944d62abcb69-459 defines codes, but no codes are represented here
http://hl7.org/fhir/comparison/CodeSystem/21d0d52d-6932-4516-ad29-944d62abcb69-459