This is the CodeSystem that contains codes in both Evidence Certainty Type (http://terminology.hl7.org/CodeSystem/certainty-type) and Evidence Certainty Type (http://terminology.hl7.org/CodeSystem/certainty-type).
Generated Narrative: CodeSystem 21d0d52d-6932-4516-ad29-944d62abcb69-675
This code system http://hl7.org/fhir/comparison/CodeSystem/21d0d52d-6932-4516-ad29-944d62abcb69-675
defines codes, but no codes are represented here