CPT® Code 31297

Nasal/sinus endoscopy, surgical, with dilation (CPT® Code 31297) refers to a minimally invasive procedure aimed at treating chronic sinusitis characterized by obstruction of the sphenoid sinus ostium, which is the opening of the sphenoid sinus. This procedure involves the use of an endoscope, a thin, flexible tube equipped with a camera and light, allowing the physician to visualize the internal structures of the nasal passages and sinuses. The primary goal of the endoscopic dilation is to restore normal drainage of the affected sinus by widening the ostium. This is achieved through the inflation of a small balloon that compresses the surrounding mucosa and displaces bony structures, effectively enlarging the opening. Prior to the procedure, a topical nasal decongestant and local anesthetic with a vasoconstrictor may be applied to minimize discomfort and reduce bleeding. The endoscope is carefully introduced through the nostril and navigated to the sphenoid sinus, where the balloon dilation is performed. This technique is particularly beneficial for patients suffering from chronic sinusitis, as it alleviates symptoms by improving sinus drainage and reducing inflammation.