This is the CodeSystem that contains all the codes in Change Info (http://hl7.org/ehrs/uv/phrsfmr2/CodeSystem/change-info) and Change Info (http://hl7.org/ehrs/uv/phrsfmr2/CodeSystem/change-info). E.g. what you have to deal with if you get resources containing codes in either of them
Generated Narrative: CodeSystem dd8f8571-2fbb-4dcc-b7c0-76d2595d1b21-2
This code system http://hl7.org/fhir/comparison/CodeSystem/dd8f8571-2fbb-4dcc-b7c0-76d2595d1b21-2 defines codes, but no codes are represented here