Interventions such as electrical stimulation, pulsed lavage with variable pressure and suction, low-laser irradiation, ultrasound, ultraviolet light, monochromatic infrared energy, noncontact normothermic therapy, negative pressure, or pulsed high-frequency power. May incorporate a dressing or a wound cover. Indications and treatment times vary by device. Always follow manufacturer’s recommendations for use. Generally part of a procedure billed using a CPT code.