Compression therapy products are used to manage edema and promote the return of venous blood flow to the heart. Conventional management with zinc oxide–impregnated bandaging systems, such as an Unna boot, provides inelastic compression. Multilayered, sustained, graduated, high-compression bandages aid in the management of wounds caused by venous insufficiency.

Each component used in the compression therapy system is billed using a specific code for the component, if available. It is the clinician's responsibility to verify coding and payment of each product with the manufacturer.

The HCPCS codes normally assigned to compression bandage systems are:

Light compression bandage

A6448: Width < 3″ per yard.

A6449: Width ≥ 3″ and < 5″ per yard.

A6450: Width ≥ 5″ per yard.

Moderate-high compression bandage

A6451: Moderate-compression bandage, load resistance of 1.25 to 1.34 ft lb at 50% maximum stretch, width >3″ and < 5″ per yard.

A6452: High-compression bandage, load resistance ≥ 1.35 ft lb at 50% maximum stretch, width ≥3″ and < 5″ per yard.

Gradient compression wrap

A6545: Gradient compression wrap, non-elastic, below knee, 30–50 mm hg, each.

Self-adherent bandage

A6453: Width <3″ per yard.

A6454: Width ≥3″ and <5″ per yard.

A6455: Width ≥5″ per yard.

Conforming bandage

A6442: Width <3″ per yard.

A6443: Width ≥3″ and <5″ per yard.

A6444: Width >5″ per yard.

A6445: Width <3″ per yard.

A6446: Width ≥3″ and <5″ per yard.

A6447: Width ≥5″ per yard.

Padding bandage

A6441: Width ≥ 3″ and < 5″ per yard.

Zinc paste–impregnated bandage

A6456: Width ≥3″ and <5″ per yard.