Provider's documentation states "performed lavage by cannulation in the bilateral maxillary sinuses." The description for CPT code 31000 reads "Lavage by cannulation, maxillary sinus (antrum puncture or other natural ostium.)" How would the coder report the procedure performed?

Question

Quizplus · Accepted Answer

The correct way to report the procedure is by using modifier -50 for bilateral procedures, as the documentation states the lavage was performed in the bilateral maxillary sinuses.

Provider's Documentation States "Performed Lavage by Cannulation in the Bilateral