CPT Codes	Description
96900	Actinotherapy (ultraviolet light [UVL])
96910	Photochemotherapy; tar and ultraviolet B (Goeckerman treatment) or petrolatum and ultraviolet B
96912	Photochemotherapy; psoralens and ultraviolet A (PUVA)
96913	Photochemotherapy (Goeckerman and/or PUVA) for severe photoresponsive dermatoses requiring at least 4 to 8 hours of care under direct supervision of the physician (includes application of medication and dressings)
96920	Laser treatment for inflammatory skin disease (PsO); total area less than 250 sq cm
96921	Laser treatment for inflammatory skin disease (PsO); 250 sq cm to 500 sq cm
96922	Laser treatment for inflammatory skin disease (PsO); over 500 sq cm

CPT = Current Procedural Terminology; PsO = psoriasis; sq cm = square centimeters.