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 fd1d5ab1-5dce-4efa-83f2-fbdd1f055dd2-138
This code system http://hl7.org/fhir/comparison/CodeSystem/fd1d5ab1-5dce-4efa-83f2-fbdd1f055dd2-138 defines codes, but no codes are represented here