C9761 HCPCS - CYSTOURETHROSCOPY, WITH URETEROSCOPY AND/OR PYELOSCOPY, WITH LITHOTRIPSY, AND URETERAL CATHETERIZATION FOR STEERABLE VACUUM ASPIRATION OF THE KIDNEY, COLLECTING SYSTEM, URETER, BLADDER, AND URETHRA IF APPLICABLE (MUST USE A STEERABLE URETERAL CATHETER)