Summary & Overview
HCPCS A6231: Hydrogel-Impregnated Gauze Dressing, Sterile
HCPCS Level II code A6231 identifies a sterile, hydrogel-impregnated gauze pad (16 sq. in. or less) designed for direct wound contact. This supply-level code matters nationally because wound dressings are a routine component of outpatient and home-based wound management, affecting clinical outcomes and supply reimbursement pathways across payers. Proper coding supports appropriate claims processing for common wound-care episodes and helps standardize supply utilization data.
Key payers discussed include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. The analysis covers coverage patterns and reimbursement context for supply codes, with attention to program rules that affect outpatient clinics, wound centers, physician offices, and home health services. Readers will find benchmarks for utilization and reimbursement trends, an explanation of where this code is used clinically, and any relevant policy considerations that influence coverage and billing. The publication also highlights typical sites of service and how supply-level HCPCS coding interacts with broader wound-care workflows.
Data not available in the input for associated taxonomies, ICD-10 diagnoses, related codes, and detailed payer-specific reimbursement rates.
Billing Code Overview
HCPCS Level II code A6231 describes a sterile, hydrogel-impregnated gauze dressing intended for direct wound contact, packaged as individual pads measuring 16 square inches or less. The dressing is used to maintain a moist wound environment, support autolytic debridement, and provide a sterile barrier for superficial to partial-thickness wounds.
Service type: Wound dressing supply
Typical site of service: Outpatient clinics, wound care centers, physician offices, home health, and other ambulatory settings
Clinical & Coding Specifications
Clinical Context
A patient presents to an outpatient wound care clinic with a superficial to partial-thickness wound such as a small traumatic abrasion, postoperative incision with minimal drainage, or diabetic foot ulcer requiring moisture-retentive dressing. The wound is assessed by a nurse or wound care clinician: size and depth are measured, surrounding skin inspected, and signs of infection evaluated. After cleansing and debridement as indicated, a sterile hydrogel-impregnated gauze pad A6231 (16 sq. in. or less) is applied directly to the wound bed to maintain a moist healing environment, reduce pain, and facilitate autolytic debridement. The dressing is secured with secondary dressing or bandage and dressing change frequency is documented in the plan of care. Typical sites of service include outpatient wound care clinics, physician offices, skilled nursing facilities, and home health visits where sterile, small hydrogel dressings are used for direct wound contact.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
00 | No modifier specified | Rarely used; placeholder when no specific modifier applies |
11 | Primary procedure |