CPT® Code 0157T

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The procedure described by CPT® Code 0157T involves the laparotomy, which is a surgical procedure that opens the abdominal cavity, for the implantation or replacement of gastric stimulation electrodes specifically located at the lesser curvature of the stomach. Gastric stimulation electrodes are devices that help manage morbid obesity by influencing the digestive process. This is achieved through electrical stimulation that reduces food intake and delays gastric emptying, making it a viable treatment option for individuals suffering from severe obesity, particularly those with diabetes. The procedure utilizes a pacing lead system, often referred to as a gastric pacemaker, which consists of a generator device and two stimulation leads. The generator is surgically implanted into a subcutaneous pocket created in the abdominal wall, typically beneath the rib cage, ensuring it is securely positioned. The two lead wires, equipped with electrodes, are then implanted into the muscle wall of the stomach's lesser curvature through an incision made over the stomach. These leads are carefully tunneled under the skin and connected to the generator, allowing for the delivery of electrical stimuli to the stomach. The stimulation can be administered in various forms, including long pulses in continuous cycles or pulse trains that oscillate on and off for short intervals. For procedures involving the open revision or removal of gastric stimulation electrodes, CPT® Code 0158T should be utilized.