CPT® Code 31002

The procedure described by CPT® Code 31002 refers to the lavage of the sphenoid sinus through cannulation. This medical intervention is primarily performed to address sinus infections, particularly those affecting the sphenoid sinus, which is located deep within the skull, behind the ethmoid sinuses. The sphenoid sinus is one of the paranasal sinuses and plays a role in the respiratory system by helping to humidify and filter the air we breathe. Lavage, in this context, involves the flushing of the sinus with a saline solution to remove infected material, such as pus and mucus, thereby alleviating symptoms associated with sinusitis. The procedure may involve various approaches, including accessing the sphenoid sinus through the maxillary sinus, which requires careful navigation through the anatomical structures of the nasal cavity. The use of a cannula allows for precise delivery of the saline solution, ensuring effective cleansing of the sinus cavity. This procedure is essential for restoring normal sinus function and relieving discomfort caused by sinus infections.