Ureteroscopy, of one ureter, with or without any one or more of, cystoscopy, ureteric meatotomy or ureteric dilatation, plus destruction of stone in the ureter with ultrasound, electrohydraulic or kinetic lithotripsy, or laser, with or without extraction of fragments, not being a service associated with a service to which item 36803 or 36812 applies, or a service associated with a service to which item 36806, 36824 or 36848 applies to a procedure performed on the same ureter (Anaes.) (Assist.)