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 2c77c26f-0eba-4543-89eb-09eda3cba01c-1544
This code system http://hl7.org/fhir/comparison/CodeSystem/2c77c26f-0eba-4543-89eb-09eda3cba01c-1544
defines codes, but no codes are represented here