Select the Correct Definition of a "Separate Procedure" in the Surgery

Select the correct definition of a "separate procedure" in the Surgery section:

A) a procedure that is performed on a separate anatomical site as the primary procedure and may be billed separately with the appropriate modifier
B) a procedure that, when performed with another procedure at the same anatomical site at the same time, is bundled into the other procedure and may not be billed separately
C) a procedure that is performed in the same anatomical area as the primary procedure and may be billed separately with the appropriate modifier
D) a procedure that is performed at a different time from a primary procedure and may be billable if the documentation identifies it as a planned, staged procedure