Question: I am trying to bill a revision for a trabeculectomy. I coded the initial procedure as 66170. What code and what modifier should I use? The revision is taking place within 30 days of the initial surgery by the same physician.
Florida Subscriber
Answer: The answer depends on whether your ophthalmologist performed the revision in the office or required a return to the operating room (OR). For revision procedures provided in the office, Medicare considers [...]
