This is the CodeSystem that contains all the codes in ActCode AU (http://terminology.hl7.org.au/CodeSystem/v3-ActCode) and ActCode AU (http://terminology.hl7.org.au/CodeSystem/v3-ActCode). E.g. what you have to deal with if you get resources containing codes in either of them
Generated Narrative: CodeSystem b2b6b9c2-cd76-40e4-8f12-8f0e11aac4d2-20
This code system http://hl7.org/fhir/comparison/CodeSystem/b2b6b9c2-cd76-40e4-8f12-8f0e11aac4d2-20 defines codes, but no codes are represented here