CPT® Code 24935

Stump elongation is a surgical procedure performed on the upper extremity, specifically aimed at enhancing the fit of a prosthesis and improving the mobility of the remaining portion of the limb in conjunction with the prosthetic device. This procedure is particularly relevant for individuals who have undergone amputation and require adjustments to their residual limb to ensure optimal functionality and comfort with their prosthesis. The process involves careful planning and execution, beginning with the marking of incision lines on the skin, followed by the incision of the skin and underlying soft tissue to expose the muscles. Surgeons must meticulously dissect the muscles while safeguarding the surrounding nerves and blood vessels to prevent complications. The humerus, the bone of the upper arm, is then exposed, and the periosteum, a dense layer of connective tissue surrounding the bone, is incised. The elongation of the bone can be achieved through two primary methods: the use of vascularized bone flaps or a bone stretching device. If vascularized bone flaps are utilized, they are harvested and shaped appropriately in a separate procedure before being placed between the transected bone segments and secured with internal fixation devices. This method ensures that the new bone is nourished and integrated effectively. Alternatively, an external fixation device may be applied to the transected bone segments, allowing for gradual lengthening as the bone heals. This procedure is critical for restoring function and improving the quality of life for patients with upper extremity amputations.