Summary & Overview
HCPCS A6451: Moderate Compression Elastic Bandage, per yard
HCPCS Level II code A6451 represents a moderate compression elastic bandage (knitted or woven), specified by load resistance and width, and billed per yard. This supply code is relevant nationally for wound care, lymphedema management, and other conditions requiring sustained compression. The code matters because standardized coding for compression supplies supports consistent billing, supply tracking, and appropriate coverage determinations across payers.
Key payers discussed include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find an overview of clinical context for compression bandaging, typical sites of service where A6451 is used, and the payer landscape addressed in this publication. The analysis covers billing benchmarks where available, common billing practices and allowable considerations, and policy or coverage themes affecting supply codes like A6451.
This summary equips clinicians, billing staff, and policy analysts with a concise reference to the code’s clinical purpose and where it is commonly applied, plus the types of payer policies and documentation themes that frequently influence reimbursement for compression bandages.
Billing Code Overview
HCPCS Level II code A6451 describes a moderate compression elastic bandage that is knitted or woven, with a load resistance of 1.25 to 1.34 foot-pounds at 50% maximum stretch, and a width ≥ 3 inches and < 5 inches, billed per yard.
Service Type: Compression bandaging supply
Typical Site of Service: Outpatient clinics, wound care centers, home health settings, and other ambulatory care sites where compression bandaging is applied or supplied
Clinical & Coding Specifications
Clinical Context
A 68-year-old ambulatory patient with chronic venous insufficiency and associated lower-extremity edema presents to a vascular clinic for ongoing compression therapy. The provider prescribes a moderate compression elastic bandage to maintain ambulatory compression around the calf and lower leg for daily wear. A medical assistant or certified fitter measures the limb, cuts the bandage to the required length and applies or instructs the patient on home application. The product is dispensed per yard and documented in the medical record with the product code A6451, quantity supplied (yards), clinical indication, and brief instructions for use. Typical workflow includes order entry, medical necessity documentation linked to the venous disease diagnosis, dispensing, and patient education on skin checks and wear schedule. Expected sites of service are outpatient vascular clinics, wound care centers, durable medical equipment (DME) vendors, or hospital outpatient pharmacies.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
00 | No modifier / default | Use when no special circumstances apply to the item being billed |
11 |