CPT® Code 31292

A surgical nasal/sinus endoscopy is a minimally invasive procedure that involves the use of an endoscope to visualize and treat conditions affecting the nasal cavity and paranasal sinuses. In the context of CPT® Code 31292, this procedure specifically includes the surgical decompression of either the medial or inferior wall of the orbit, which is the bony structure surrounding the eye. The procedure begins with the application of a topical nasal decongestant and a local anesthetic, often combined with a vasoconstrictor to minimize bleeding and enhance visibility during the surgery. An endoscope, a thin, flexible tube equipped with a camera and light source, is then inserted through the nostrils to allow the surgeon to inspect the nasal passages and sinuses for any signs of disease or abnormalities. During the endoscopy, the ethmoidal air cells, which are small cavities located between the nose and the eyes, are cleared to improve drainage and reduce the risk of infection. The surgical approach involves exposing and thinning the medial orbital wall using a specialized tool known as a burr. Once adequately thinned, elevators are employed to carefully open the medial orbital wall, allowing for the removal of the lamina papyracea, a thin bony structure that separates the orbit from the sinuses. If the inferior orbital wall requires decompression, the procedure follows a similar technique, where the lamina papyracea is traced to the roof of the maxillary sinus, and the floor of the orbit is thinned and opened using an elevator. To facilitate further decompression of the orbital contents, incisions are made in the orbital periosteum, which allows orbital fat to prolapse into the surgical area. This additional step is crucial for alleviating pressure within the orbit, thereby providing relief from symptoms associated with conditions such as orbital edema or increased intraorbital pressure. CPT® Code 31292 is specifically designated for cases where only the medial or inferior orbital wall is decompressed, while CPT® Code 31293 is applicable when both walls are addressed during the procedure.