This is the CodeSystem that contains all the codes in questionnaire item usage mode code system (http://hl7.org/fhir/questionnaire-usage-mode) and questionnaire item usage mode code system (http://hl7.org/fhir/questionnaire-usage-mode). E.g. what you have to deal with if you get resources containing codes in either of them
Generated Narrative: CodeSystem 8de6719f-a58d-4fde-ba6c-01934035b8d2-95
This code system http://hl7.org/fhir/comparison/CodeSystem/8de6719f-a58d-4fde-ba6c-01934035b8d2-95 defines codes, but no codes are represented here