This is the CodeSystem that contains all the codes in Collapsible Codes (http://hl7.org/fhir/uv/sdc/CodeSystem/collapsible) and Collapsible Codes (http://hl7.org/fhir/uv/sdc/CodeSystem/collapsible). E.g. what you have to deal with if you get resources containing codes in either of them
Generated Narrative: CodeSystem 61baca6f-19fd-4456-92b9-98007378e367-8
This code system http://hl7.org/fhir/comparison/CodeSystem/61baca6f-19fd-4456-92b9-98007378e367-8
defines codes, but no codes are represented here