CPT® Code 43634

The procedure described by CPT® Code 43634 refers to a partial gastrectomy, specifically a distal gastrectomy, which involves the surgical removal of a portion of the stomach. This operation is performed through an upper midline abdominal incision that allows the surgeon to access the stomach and explore the abdominal cavity. During the procedure, the stomach is carefully mobilized, and clamps are applied to delineate the area of resection. The stomach is transected just distal to the clamp, and the duodenum is transected proximal to the clamp, resulting in the removal of the distal aspect of the stomach. Unlike the procedure described in CPT® Code 43633, which includes a Roux-en-Y reconstruction, the focus of CPT® Code 43634 is on the creation of an intestinal pouch. This involves mobilizing a long segment of the small intestine, which is then folded back on itself to form a reservoir or pouch. The pouch is subsequently anastomosed to the remaining stomach and the small bowel, facilitating the continuity of the digestive tract. This procedure is typically indicated for various gastrointestinal conditions that necessitate the removal of part of the stomach while preserving digestive function through the creation of the pouch.