Summary & Overview
HCPCS Q4284: Dermabind per Square Centimeter (Add-on)
HCPCS Level II code Q4284 represents Dermabind billed per square centimeter as an add-on product used for dermal closure or wound support during a primary procedure. As an add-on HCPCS Level II code, Q4284 is reported in addition to a primary procedure code to capture the incremental supply cost tied to wound management. Nationally, accurate reporting of add-on supply codes like Q4284 affects billing transparency, supply trend tracking, and aggregate cost measurement for procedural care.
Key payers in the coverage landscape include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Coverage policies for add-on supply codes vary by payer and by clinical setting; understanding payer requirements for documentation and bundling is important for correct claims adjudication.
Readers will find benchmarks and policy context for Q4284, including payer coverage patterns, common clinical settings and service lines where the code is used, and implications for documentation and claim submission. The content highlights where Q4284 is most commonly applied clinically and outlines the types of analyses and policy updates that influence reimbursement and utilization of dermal closure products. Data not available in the input will be noted where relevant.
Billing Code Overview
HCPCS Level II code Q4284 denotes Dermabind sl, billed per square centimeter as an add-on service that must be listed separately in addition to a primary procedure. This product is used to provide wound closure or dermal support applied topically or as part of a procedural dressing.
Service type: Wound care product / topical dermal closure (add-on)
Typical site of service: Outpatient clinics, hospital outpatient departments, ambulatory surgical centers, and other settings where a primary procedure requiring wound closure is performed.
Clinical & Coding Specifications
Clinical Context
A typical patient is an adult with a full-thickness or partial-thickness traumatic skin laceration, surgical incision closure reinforcement need, or excision site where an adhesive wound closure supplement is appropriate. The procedure using Q4284 (Dermabind, per square centimeter) is performed in an ambulatory surgical center, hospital outpatient department, urgent care clinic, or physician office during wound repair or after primary closure when the clinician elects to add a topical adhesive matrix to improve tensile strength, approximation, or to reduce dressing changes. The clinical workflow: the wound is assessed and cleansed, local anesthesia is provided if needed, primary closure is performed using sutures or staples as indicated, hemostasis is confirmed, and Q4284 is applied over the closed wound in measured square centimeters as an add-on product. Documentation includes wound size in cm2, description of primary procedure (suture/staple/primary closure CPT), indication for adjunct adhesive, and quantity of product applied. Typical payors require linkage to the primary procedure and appropriate modifiers when the product is used in isolation or under unusual circumstances.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
00 | No modifier — standard reporting |