2025 CPT code 34520
(Active) Effective Date: N/A Revision Date: N/A Surgery - Surgical Procedures on the Cardiovascular System Surgery Feed
Cross-over vein graft to venous system.
Modifiers 22, 50, 51, 52, 76, and 78 may be applicable depending on the circumstances of the procedure.
Medical necessity for a crossover vein graft is established when venous insufficiency or obstruction compromises blood flow, leading to symptoms like swelling, pain, and impaired tissue perfusion.Documentation should support the severity of the condition and the need for surgical intervention.
The surgeon performs the procedure under appropriate anesthesia and sterile conditions. Responsibilities include pre-operative planning, vein selection, surgical dissection, vein grafting, hemostasis, and wound closure.
In simple words: The doctor makes cuts near two veins.They connect one vein to the other to help blood flow better. This might involve using a part of a vein from one leg to improve blood flow in a vein in the other leg.
This procedure involves making incisions over two veins. One vein is divided, and one end is attached to the other vein to restore normal blood flow.The surgeon dissects the surrounding structures of the first vein (e.g., femoral vein in one leg), selects a second vein (e.g., saphenous vein in the opposite leg), and places clamps at its proximal and distal ends.After dividing the second vein (tying off one end), the surgeon passes the other free end through a channel to the first vein, creating a new pathway for blood flow.The surgeon confirms normal blood flow (e.g., using a Doppler probe) before closing the incisions in layers with sutures.
Example 1: A patient presents with deep vein thrombosis (DVT) in the right leg, causing significant swelling and pain.A crossover vein graft from the left saphenous vein is used to bypass the obstructed vein in the right leg. , A patient has experienced trauma resulting in damage to the femoral vein in their left leg and compromised venous return. A crossover vein graft is employed to restore venous circulation by connecting the damaged femoral vein to a healthy vein. , During a surgical procedure, a surgeon accidentally severs a major vein. A crossover vein graft from a nearby vein is promptly used for immediate repair to maintain blood flow.
Pre-operative assessment including imaging (e.g., ultrasound, venography) to identify suitable veins, operative notes detailing the surgical technique and the specific veins used, post-operative assessment including Doppler studies to confirm patency of the graft, and any complications.
** The choice of veins for the crossover graft is dependent on the patient's anatomy and the location of the venous obstruction or insufficiency.The procedure is technically demanding and requires a skilled vascular surgeon.
- Revenue Code: P2F (MAJOR PROCEDURE, CARDIOVASCULAR - OTHER)
- Payment Status: Active
- Specialties:Vascular Surgery, General Surgery
- Place of Service:Inpatient Hospital, Ambulatory Surgical Center