The author submits to the protessional public tor evaluation and discussion an account on implementation and revision ot different operations and groups ot operations trom chapter 809 ot the list ot medical operations. Standpoints and previous decisions ot the health insurance company are taken finto consideration as well as views ot sections and bodies ot the Radiological Society ot the Czech Medical Association tocused on resolving some controversial cases.

        Key words: discipline 809 - radiodiagnostics - revisory activities - groups ot operations