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When a procedure is designated as a separate procedure and carried out independently or considered to be unrelated to the total primary service, it may be reported.

The codes designated as "separate procedure" should not be reported in addition to the code for the total procedure or service of which it is an integral component.

A service that is commonly carried out as an integral component of a total service or procedure is identified by the inclusion of the term "separate procedure."

To identify a service designated as a "separate procedure" that is reported with an unrelated primary service, append modifier 79 to the code.