Jobst Ultrasheer 30-40 mmHg Knee High Extra Firm Compression Stockings are sheer support hosiery that combine style with therapeutic effectiveness. They are lightweight, comfortable, and highly effective in optimizing leg health. Jobst Ultrasheer are easy to wear, have a fashionable appearance, and are durable with a reinforced toe and heel. They are made with seamless circular knitting for a soft silky look and comfortable feel. They are made with nylon and spandex yarns combined with a silicone blend softener for easier donning and comfort. They are available in knee high, thigh high, pantyhose, and maternity styles. They are latex free and 60% nylon and 40% spandex. They are indicated for chronic venous insufficiency, deep vein thrombosis, post-thrombotic syndrome, severe varicose veins, severe edema / lymphedema, venous ulcer, lymphedema, orthostatic hypotension, and postural hypotension. They help prevent DVT (Deep Vein Thrombosis). HCPCS Code / CPT Code: A6531