This is the CodeSystem that contains all the codes in Audit Event Source Type (http://terminology.hl7.org/CodeSystem/security-source-type) and Audit Event Source Type (http://terminology.hl7.org/CodeSystem/security-source-type). E.g. what you have to deal with if you get resources containing codes in either of them
Generated Narrative: CodeSystem 07b973d6-97cd-42d7-b76a-7b2793e3363b-767
This code system http://hl7.org/fhir/comparison/CodeSystem/07b973d6-97cd-42d7-b76a-7b2793e3363b-767 defines codes, but no codes are represented here