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Requesting CPT Coding for Aorto to right iliac and left femoral bypass

Date: Apr 30, 2021

Question:

Provider performed bypass on a patient for aortoiliac occlusive disease. He used a 20 x 10 mm Hemashield graft and took the right limb down to the femoral artery and was able to sew the left limb to the left common iliac bifurcation.

Should I use codes 35637 (aortoiliac) AND 35647 (aortofemoral)? Or 35638 (aorto-bi-iliac)? Or 35646 (aortobifemoral)?

Question ID : 15407
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