The four established procedure types, Roux-en-Y gastric bypass, gastric banding, vertical sleeve gastrectomy (gastric sleeve) and duodenal switch, carry an average cost in the United States of $24,000, $15,000, $19,000 and $27,000, respectively. However, location-specific costs can vary significantly. Quoted costs generally include day-of-surgery fees for the hospital, surgeon, surgical assistant, anesthesia and implanted devices (if applicable).