CPT® Code 15120

Split-thickness autograft, face, scalp, eyelids, mouth, neck, ears, orbits, genitalia, hands, feet, and/or multiple digits; first 100 sq cm or less, or 1% of body area of infants and children (except 15050)

Split-thickness skin grafts (STSGs) are surgical procedures that involve the transplantation of skin from one area of the body (the donor site) to another area (the recipient site) to cover wounds or defects. This type of graft includes the entire epidermis, which is the outer layer of skin, and a portion of the dermis, the underlying layer that provides structure and support. The procedure is commonly performed on various anatomical locations, including the face, scalp, eyelids, mouth, neck, ears, orbits, genitalia, hands, feet, and multiple digits. The harvesting of STSGs typically utilizes a dermatome, a specialized surgical instrument that allows for precise and controlled removal of the skin. The donor site is first anesthetized with a local anesthetic, often combined with epinephrine to minimize bleeding during the procedure. The dermatome is then adjusted to the appropriate depth and moved across the skin surface to obtain the graft. Once harvested, the graft may be prepared for transfer, which can involve techniques such as meshing to increase its surface area. The final step involves placing the graft over the wound bed of the recipient site and securing it with sutures to promote healing and integration with the surrounding tissue. The CPT® Code 15120 is specifically designated for the first 100 square centimeters of grafting in adults or for 1% of total body surface area in infants and children, with additional codes available for larger areas.