Ask Dr. Z

We have an unusual case and I am hoping you can advise what is the best way to bill for the procedure. Thank you. Patient had a previously placed subclavian stent. It was found on CTA that the stent migrated to the bifurcation of the aorta and lt common iliac. The physician went in and snared the stent and repositioned it in the left common iliac artery. He has also dictated a complete lower extremity angiogram. Since he did not remove the stent would you use an unlisted code? I don't think there is medical necessity to bill for the angiogram even though it shows Lt SFA stenosis needing angioplasty at a later date. Thank you.