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 21d0d52d-6932-4516-ad29-944d62abcb69-549
This code system http://hl7.org/fhir/comparison/CodeSystem/21d0d52d-6932-4516-ad29-944d62abcb69-549
defines codes, but no codes are represented here