CPT® Code 0271T

Revision or removal of carotid sinus baroreflex activation device; pulse generator only (includes intra-operative interrogation, programming, and repositioning, when performed)

The CPT® Code 0271T refers to the procedure involving the revision or removal of a carotid sinus baroreflex activation device, specifically focusing on the pulse generator component. This procedure includes intra-operative interrogation, programming, and repositioning of the device when necessary. The carotid sinus baroreflex activation device plays a critical role in managing arterial blood pressure and heart rate by sending electrical impulses to the brainstem, which in turn regulates these vital functions. In patients suffering from refractory hypertension, the natural ability of the carotid sinus baroreflex to modulate blood pressure and heart rate may be compromised. The device is designed to enhance the electrical activity in the carotid baroreceptor afferent nerves, signaling the brainstem to interpret this as an increase in arterial blood pressure. Consequently, the central nervous system responds by adjusting the sympathetic and vagus nerve outflows, leading to a decrease in both blood pressure and heart rate. The device is implanted with electrodes placed on the exterior surface of the carotid sinus wall. During the procedure, if the pulse generator or leads require revision, the existing incision over the subcutaneous pocket is reopened to access the generator and leads. The connections are assessed, and any necessary adjustments are made to ensure proper functionality. If the leads are found to be ineffective, they may be repositioned or revised. The procedure concludes with programming the generator to achieve the desired therapeutic effect. In cases where the entire system needs to be removed, the pulse generator is detached from the leads, which are then carefully extracted from the surrounding tissues. This comprehensive approach ensures that the carotid sinus baroreflex activation device functions optimally or is safely removed when necessary.