Summary & Overview
HCPCS A6461: Synthetic Resorbable Wound Dressing, 16–48 sq in
HCPCS Level II code A6461 identifies a sterile synthetic resorbable wound dressing sized greater than 16 square inches and up to 48 square inches without an adhesive border. This code captures a commonly used advanced wound care supply that supports tissue healing and is relevant for outpatient wound clinics, ambulatory surgical centers, home health agencies, and hospital outpatient departments. Nationally, correct coding of wound care supplies affects clinical continuity, documentation, and supply reimbursement across diverse care settings.
The payers addressed in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find an overview of coding and clinical context, common billing modifiers (listed separately), and expectations for typical sites of service. The publication outlines benchmark considerations, utilization patterns, and policy updates that influence coverage and billing for advanced wound care supplies.
This summary provides clinicians, billers, and policy analysts with a concise reference to the clinical purpose of the dressing, where it is used, and what to expect in payer coverage discussions. Data not available in the input is noted where applicable in supporting sections.
Billing Code Overview
HCPCS Level II code A6461 describes a synthetic resorbable wound dressing, sterile, pad size more than 16 sq. in. but less than or equal to 48 sq. in., without adhesive border, each dressing. This supply is intended for wound coverage and management where a resorbable synthetic matrix is used to support healing and provide a sterile interface.
Service type: Wound care supply — sterile synthetic resorbable dressing.
Typical site of service: Outpatient wound care settings, ambulatory surgical centers, hospital outpatient departments, and home health or skilled nursing environments where dressings are applied and changed.
Clinical & Coding Specifications
Clinical Context
A 62-year-old patient presents to an outpatient wound care clinic with a non-infected, full-thickness surgical dehiscence of the lower abdomen measuring 20 square inches after an abdominal surgery performed two weeks prior. The wound bed is clean with minimal drainage and significant granulation tissue. The care team selects a synthetic resorbable sterile wound dressing sized between 16 and 48 square inches to cover the defect and promote moist wound healing and resorption without the need for adhesive border. Dressing application occurs during an ambulatory wound care visit; the wound is measured, cleansed, and a single A6461 dressing is applied and secured with secondary fixation as needed. Patient education on offloading and signs of infection is provided, and follow-up wound checks are scheduled every 48–72 hours for dressing changes and reassessment until healing progresses.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
22 | Increased procedural services | Use when work or complexity for wound management (extensive debridement, prolonged procedure time) substantially exceeds typical for the encounter and documentation supports increased work. |
23 |