Search Products >  Graduated Compression Hosiery & Socks ActivaŽ Anti-Embolism Stockings, Knee High, 18 mm Hg Series H53  (Knee High, Closed Toe) Series H504 (Knee High, Open Toe) Also known as Thrombo Embolic Deterrent Stockings, these anti-embolism thigh highs help prevent venous stasis and embolism formation by applying graduated compression to the leg. Recommended for the recumbent (non-ambulatory) patient while lying in bed. Indicated for pre- and post-operative procedures and mild varicosities without significant edema. Features a comfortable leg band that will keep the stocking in place without constricting. Available with a closed "balloon" toe (H53) or open toe (H504). HCPCS Code: See chart below. Series Description Sizes Color Sugg. HCPCS H53 Closed Toe S-XXL Beige A6530 H53 Closed Toe S-XL White A6530 H504 Open Toe S-XL Beige A6530