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Official Description

Cross-over vein graft to venous system

© Copyright 2025 American Medical Association. All rights reserved.

Common Language Description

A cross-over vein graft to the venous system is a surgical procedure designed to redirect blood flow around obstructed veins in one leg by utilizing healthy veins from the opposite leg. This procedure is particularly beneficial for patients experiencing venous insufficiency or other conditions that lead to obstruction in the venous system. The process begins with an incision made below the area of obstruction on the affected leg, allowing access to the obstructed vein. A second incision is then created in the groin area of the opposite leg, where a subcutaneous tunnel is formed across the suprapubic region and extended along the subsartorial region of the symptomatic leg. This tunneling is essential for positioning the harvested vein without causing additional trauma to the surrounding tissues. The saphenous vein, which is a large vein located in the leg, is carefully dissected from its surrounding tissues on the healthy side, and its tributaries are ligated to prevent blood loss. Once a sufficient length of the saphenous vein is obtained, it is cut at the distal end. The harvested saphenous vein is then tunneled to the site of obstruction on the symptomatic leg. The obstructed vein is clamped and incised below the obstruction, allowing for the creation of an end-to-side anastomosis, which connects the healthy saphenous vein to the obstructed vein, thereby restoring proper blood flow and alleviating symptoms associated with venous obstruction.

© Copyright 2025 Coding Ahead. All rights reserved.

1. Indications

The cross-over vein graft to the venous system is indicated for patients with specific conditions that lead to venous obstruction. These indications include:

  • Venous Obstruction: This procedure is performed when there is a blockage in the veins of one leg that impedes normal blood flow.
  • Chronic Venous Insufficiency: Patients suffering from chronic venous insufficiency, which can cause symptoms such as swelling, pain, and skin changes, may benefit from this graft.
  • Varicose Veins: Severe cases of varicose veins that result in significant discomfort or complications may necessitate this surgical intervention.

2. Procedure

The procedure for a cross-over vein graft to the venous system involves several critical steps, each designed to ensure the successful rerouting of blood flow. The steps are as follows:

  • Step 1: An incision is made below the region of obstruction on the symptomatic leg. This incision provides access to the affected vein, allowing the surgeon to evaluate the extent of the obstruction.
  • Step 2: A second incision is created in the groin area of the opposite leg. This incision is crucial for accessing the saphenous vein, which will be used for the graft.
  • Step 3: A subcutaneous tunnel is created across the suprapubic region and extended along the subsartorial region of the symptomatic leg. This tunneling is necessary to position the harvested vein without causing additional damage to the surrounding tissues.
  • Step 4: The saphenous vein on the patent side is dissected free from the surrounding tissue. Care is taken to preserve the vein's integrity while ligating its tributaries to prevent blood loss.
  • Step 5: Once a sufficient length of the saphenous vein has been freed, the distal aspect of the vein is divided. This step prepares the vein for tunneling to the site of obstruction.
  • Step 6: The saphenous vein is then tunneled to a point below the obstruction on the symptomatic side. This positioning is critical for the success of the graft.
  • Step 7: The obstructed vein is clamped and incised at a point below the obstruction. This step allows for the connection of the graft to the obstructed vein.
  • Step 8: An end-to-side anastomosis of the saphenous vein to the obstructed vein is performed. This surgical connection restores blood flow by allowing blood to bypass the obstruction.

3. Post-Procedure

After the cross-over vein graft procedure, patients typically require monitoring for any complications, such as bleeding or infection at the incision sites. Post-operative care may include pain management, elevation of the affected leg to reduce swelling, and gradual mobilization to promote healing. Patients are often advised to follow up with their healthcare provider to assess the success of the graft and to monitor for any signs of venous insufficiency or complications. The expected recovery time can vary based on individual health factors and the extent of the procedure performed.

Short Descr CROSS-OVER VEIN GRAFT
Medium Descr CROSS-OVER VEIN GRAFT VENOUS SYSTEM
Long Descr Cross-over vein graft to venous system
Status Code Active Code
Global Days 090 - Major Surgery
PC/TC Indicator (26, TC) 0 - Physician Service Code
Multiple Procedures (51) 2 - Standard payment adjustment rules for multiple procedures apply.
Bilateral Surgery (50) 1 - 150% payment adjustment for bilateral procedures applies.
Physician Supervisions 09 - Concept does not apply.
Assistant Surgeon (80, 82) 2 - Payment restriction for assistants at surgery does not apply to this procedure...
Co-Surgeons (62) 1 - Co-surgeons could be paid, though supporting documentation is required...
Team Surgery (66) 0 - Team surgeons not permitted for this procedure.
Diagnostic Imaging Family 99 - Concept Does Not Apply
APC Status Indicator Hospital Part B services paid through a comprehensive APC
Type of Service (TOS) 2 - Surgery
Berenson-Eggers TOS (BETOS) P2F - Major procedure, cardiovascular-Other
MUE 1
CCS Clinical Classification 55 - Peripheral vascular bypass

This is a primary code that can be used with these additional add-on codes.

35572 Addon Code MPFS Status: Active Code APC N ASC N1 CPT Assistant Article Illustration for Code Harvest of femoropopliteal vein, 1 segment, for vascular reconstruction procedure (eg, aortic, vena caval, coronary, peripheral artery) (List separately in addition to code for primary procedure)
62 Two surgeons: when 2 surgeons work together as primary surgeons performing distinct part(s) of a procedure, each surgeon should report his/her distinct operative work by adding modifier 62 to the procedure code and any associated add-on code(s) for that procedure as long as both surgeons continue to work together as primary surgeons. each surgeon should report the co-surgery once using the same procedure code. if additional procedure(s) (including add-on procedure(s) are performed during the same surgical session, separate code(s) may also be reported with modifier 62 added. note: if a co-surgeon acts as an assistant in the performance of additional procedure(s), other than those reported with the modifier 62, during the same surgical session, those services may be reported using separate procedure code(s) with modifier 80 or modifier 82 added, as appropriate.
GC This service has been performed in part by a resident under the direction of a teaching physician
XS Separate structure, a service that is distinct because it was performed on a separate organ/structure
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Pre-1990 Added Code added.
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