CPT® Code 20969

A free osteocutaneous flap is a surgical procedure utilized to repair complex defects involving both soft tissue and bone. This technique is particularly important in reconstructive surgery, where the goal is to restore both form and function to areas of the body that have suffered significant damage or loss. The procedure involves the careful harvesting of a flap that includes skin, subcutaneous tissue, and bone from a donor site, which is then transferred to the site of the defect. The choice of donor site is critical and can vary based on the specific needs of the patient and the characteristics of the defect being repaired. The harvested flap must maintain its vascular supply, which is essential for the survival of the tissue once it is relocated. The procedure is intricate and requires precise surgical techniques, including microvascular anastomosis, to connect the blood vessels of the flap to those at the recipient site, ensuring adequate blood flow and promoting healing. This code, CPT® 20969, specifically refers to the use of a free osteocutaneous flap harvested from donor sites other than the iliac crest, metatarsal, or great toe, highlighting the versatility and application of this surgical approach in various reconstructive scenarios.