Ask Dr. Z

Patient with common femoral thromboendarterectomy with patch graft performed above the fem-pop bypass. The artery was severely degraded and fell apart during patch angioplasty necessitating the need to go higher in the iliac requiring conversion to ilio-fem bypass. An 8 mm Gore-Tex graft was brought to the table. It was beveled and attached to the iliac with the distal end extending into the bypass graft and sliding nicely together. Would I code for both the endarterectomy and, say, a revision of the graft? Codes 35371 and 35883? Or 35876 alone?