This is the CodeSystem that contains all the codes in CHF Codes (http://hl7.org/fhir/uv/sdc/CodeSystem/chf-codes) and CHF Codes (http://hl7.org/fhir/uv/sdc/CodeSystem/chf-codes). E.g. what you have to deal with if you get resources containing codes in either of them
Generated Narrative: CodeSystem 2da395d2-16c6-453f-ab1c-f337ccb6b1eb-11
This code system http://hl7.org/fhir/comparison/CodeSystem/2da395d2-16c6-453f-ab1c-f337ccb6b1eb-11 defines codes, but no codes are represented here