Today’s article will be dedicated to discussing the anatomy of the sinuses and to providing an overview of some of the key codes and guidelines in the sinus endoscopy section of CPT. There were some pretty sweeping changes to the sinus endoscopy codes in 2018, and those changes are still generating questions and confusion for physicians and coders alike on how these new codes were intended to be used.
Before we look at specific CPT codes and examples, let’s begin by reviewing the anatomy of the sinuses. Patients with normal anatomy have four sinuses in total. Each of these sinuses is “paired” with one sinus cavity on the left and the other on the right:
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