2025 CPT code 20970
(Active) Effective Date: N/A Revision Date: N/A Surgery - Free osteocutaneous flaps with microvascular anastomosis Musculoskeletal System Feed
Harvesting of an osteocutaneous flap from the iliac crest with microvascular anastomosis.
Modifiers may be applicable. Refer to current CPT guidelines for detailed instructions on modifier usage.
Medical necessity must be documented, typically based on the underlying condition requiring reconstruction and the inadequacy of alternative treatment options.
The physician performs the surgery, including incision, bone graft harvesting, microvascular anastomosis, and closure.
In simple words: The surgeon takes a piece of bone from your hip, along with its blood supply and skin. This piece is then moved to another part of your body where it is needed, and the blood vessels are carefully reattached under a microscope.
Free osteocutaneous flap with microvascular anastomosis; iliac crest. This procedure involves harvesting a bone graft from the iliac crest along with its blood supply and overlying skin. The graft is then transferred to a recipient site, where the blood vessels are reconnected using microsurgery.
Example 1: Reconstruction of a jaw defect following tumor resection., Repair of a complex tibial fracture with bone and soft tissue loss., Reconstruction of a segmental bone defect in the arm following trauma.
Operative report detailing the size and location of the harvested graft, the recipient site, the method of anastomosis, and any complications. Pre- and postoperative imaging studies.
- Revenue Code: P5B
- Payment Status: Active
- Specialties:Plastic Surgery, Orthopedic Surgery, Reconstructive Surgery
- Place of Service:Inpatient Hospital, Ambulatory Surgical Center