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 640df93f-549e-454d-a67a-5d403f2da148-5
This code system http://hl7.org/fhir/comparison/CodeSystem/640df93f-549e-454d-a67a-5d403f2da148-5
defines codes, but no codes are represented here