This is the CodeSystem that contains codes in both Calendar Duration Units CodeSystem (http://hl7.org/fhirpath/CodeSystem/calendar-units) and Calendar Duration Units CodeSystem (http://hl7.org/fhirpath/CodeSystem/calendar-units).
Generated Narrative: CodeSystem 9b4c7183-3b2f-4efe-889d-db1c565c4393-3
This code system http://hl7.org/fhir/comparison/CodeSystem/9b4c7183-3b2f-4efe-889d-db1c565c4393-3 defines codes, but no codes are represented here