This is the CodeSystem that contains codes in both ActivityDefinitionCategory (http://terminology.hl7.org/CodeSystem/activity-definition-category) and ActivityDefinitionCategory (http://terminology.hl7.org/CodeSystem/activity-definition-category).
Generated Narrative: CodeSystem 5b1132b8-51e9-46ac-8efa-9d1c907d9515-537
This code system http://hl7.org/fhir/comparison/CodeSystem/5b1132b8-51e9-46ac-8efa-9d1c907d9515-537
defines codes, but no codes are represented here