CPT® Code 0315T

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Vagus nerve blocking (VBLOC) therapy is a medical procedure designed to assist in the treatment of morbid obesity. The vagus nerve, also known as the pneumogastric nerve or cranial nerve X, originates from the brainstem and consists of two branches that extend along the esophagus, bronchi, and major blood vessels, passing through the diaphragm and terminating in the upper part of the stomach. This nerve plays a crucial role in the regulation of hunger and satiety by transmitting signals between the stomach and the brain. In VBLOC therapy, a specialized technique is employed where an intermittent, high-frequency, low-energy electrical stimulus is applied to block the nerve impulses that communicate hunger signals from the stomach and pancreas to the brain. This interruption aims to help patients manage their appetite and, consequently, their weight. The procedure involves the surgical removal of the pulse generator, which is a component of the VBLOC system, and may include repositioning or replacing electrode arrays that are implanted near the vagus nerve. The overall goal of this therapy is to provide a non-pharmacological option for individuals struggling with severe obesity, thereby improving their health outcomes and quality of life.