CPT® Code 29740

Wedging of a cast is a specific procedure aimed at realigning bones that may have shifted or become misaligned due to injury or other medical conditions. This technique is particularly important in the management of fractures or deformities where the initial cast may no longer provide adequate support or alignment. The wedging process involves the careful adjustment of the cast to either open or close it, depending on the specific malalignment that needs to be addressed. The physician will first mark the area that requires wedging, ensuring precise targeting of the malaligned section. Following this, a cut is made around the entire circumference of the cast, leaving a small 2-3 cm section intact on the opposite side, which serves as a hinge. This hinge allows the cast to be manipulated effectively without completely removing it. The padding within the cast remains undisturbed during this process, which helps maintain comfort for the patient. Once the necessary adjustments are made, the cast is secured again using plaster or fiberglass wrap. To ensure that the bones are properly aligned after the wedging procedure, separate radiographs are obtained. It is important to note that this code, 29740, is specifically designated for wedging casts other than those used for clubfoot, which is coded separately under 29750.