This is the CodeSystem that contains all the codes in DaVinci ATR Change Type Codes (http://hl7.org/fhir/us/davinci-atr/CodeSystem/atr-changetype) and DaVinci ATR Change Type Codes (http://hl7.org/fhir/us/davinci-atr/CodeSystem/atr-changetype). E.g. what you have to deal with if you get resources containing codes in either of them
Generated Narrative: CodeSystem 3a1a4fb5-3e19-4a9e-b700-6163dac403ea-5
This code system http://hl7.org/fhir/comparison/CodeSystem/3a1a4fb5-3e19-4a9e-b700-6163dac403ea-5
defines codes, but no codes are represented here