This is the CodeSystem that contains all the codes in Questionnaire Display Categories (http://hl7.org/fhir/questionnaire-display-category) and Questionnaire Display Categories Code System (http://hl7.org/fhir/questionnaire-display-category). E.g. what you have to deal with if you get resources containing codes in either of them
Generated Narrative: CodeSystem 3099ac23-0942-4450-b678-d1831a38da6f-80
This code system http://hl7.org/fhir/comparison/CodeSystem/3099ac23-0942-4450-b678-d1831a38da6f-80
defines codes, but no codes are represented here