C7534 HCPCS - REVASCULARIZATION, ENDOVASCULAR, OPEN OR PERCUTANEOUS, FEMORAL, POPLITEAL ARTERY(IES), UNILATERAL, WITH ATHERECTOMY, INCLUDES ANGIOPLASTY WITHIN THE SAME VESSEL, WHEN PERFORMED WITH INTRAVASCULAR ULTRASOUND (INITIAL NONCORONARY VESSEL) DURING DIAGNOSTIC EVALUATION AND/OR THERAPEUTIC INTERVENTION, INCLUDING RADIOLOGICAL SUPERVISION AND INTERPRETATION