CPT® Code 0424T

Deleted

Insertion or replacement of neurostimulator system for treatment of central sleep apnea; complete system (transvenous placement of right or left stimulation lead, sensing lead, implantable pulse generator)

The procedure described by CPT® Code 0424T involves the insertion or replacement of a neurostimulator system specifically designed for the treatment of central sleep apnea (CSA). Central sleep apnea is a condition characterized by the brain's failure to signal the muscles responsible for breathing, leading to temporary cessation of breath during sleep. This condition can be exacerbated by various factors, including cardiovascular diseases, strokes, anatomical issues affecting the neck or brainstem, morbid obesity, and the use of narcotic medications. The neurostimulator system comprises several key components: an implantable pulse generator (IPG), which is surgically placed in a subcutaneous pocket typically located in the pectoral region, usually on the right side; a stimulation lead that is inserted into either the right brachiocephalic vein or the left pericardiophrenic vein (the latter being the preferred site) to facilitate unilateral phrenic nerve stimulation; and a pressure sensing lead that is positioned in the azygos vein to monitor respiratory activity. The primary function of the IPG is to deliver electrical impulses to the phrenic nerve, which in turn stimulates the diaphragm to contract, thereby restoring normal breathing patterns. This procedure is performed under conscious sedation, allowing the patient to remain communicative throughout the process, which is crucial for ensuring proper placement and function of the leads during the procedure.