A system and method for treating pain without paresthesia by spinal cord stimulation. In one embodiment, a method comprises storing one or more operating parameters for a high frequency stimulus having a plurality of pulses, wherein the high frequency stimulus comprises at least respective pairs of pulses that have an inter-pulse separation within a range of 0.1 milliseconds to 10 milliseconds; and applying generated electrical pulses of the high frequency stimulus to the patient through a set of one or more electrodes of an electrical lead implanted within epidural space of the patient to treat the chronic pain of the patient without causing paresthesia in the patient.