This is the CodeSystem that contains all the codes in Codes for CGM (http://hl7.org/fhir/uv/cgm/CodeSystem/cgm) and Codes for CGM (http://hl7.org/fhir/uv/cgm/CodeSystem/cgm). E.g. what you have to deal with if you get resources containing codes in either of them
Generated Narrative: CodeSystem 07c6f8d3-eae6-43fe-954b-b2a83084042b-2
This code system http://hl7.org/fhir/comparison/CodeSystem/07c6f8d3-eae6-43fe-954b-b2a83084042b-2
defines codes, but no codes are represented here