Summary & Overview
HCPCS Level II A4452: Waterproof Tape, 18 Square Inches
HCPCS Level II code A4452 identifies waterproof adhesive tape measured and billed per 18 square inches. This supply-level code is used for wound care and dressing securement when moisture resistance is clinically indicated. Nationally, supply codes like A4452 matter because they standardize billing for common consumables across outpatient clinics, home health agencies, and pharmacies, supporting reimbursement consistency and inventory management.
Key payers included in the analysis are Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of clinical context for use of waterproof tape, typical settings of service, standard modifiers that may appear on claims, and where to look for payer-specific coverage guidance. The publication summarizes reimbursement and billing considerations, common billing modifiers relevant to supply codes, and pragmatic notes on documentation and coding practice.
This resource provides payers' coverage context, coding purpose, and operational details to assist billing staff, clinicians, and administrators in identifying when A4452 is the appropriate line-item for waterproof tape dispensed or applied. Data not available in the input is noted where applicable.
Billing Code Overview
HCPCS Level II code A4452 describes waterproof tape sold per 18 square inches. The product is a waterproof adhesive tape intended for wound protection, dressing securement, or skin closure support when moisture resistance is needed.
Service type: Supply — wound care/adhesive dressing
Typical site of service: Outpatient clinics, physician offices, home health settings, and retail pharmacies where durable medical supplies and wound care products are dispensed or applied.
Clinical & Coding Specifications
Clinical Context
A typical patient scenario involves an adult or pediatric patient with intact or superficial wounds where a waterproof adhesive tape is needed to secure dressings or provide minor wound closure support. For example, a patient presents to an urgent care clinic after a laceration was repaired with sutures; the clinician applies a sterile dressing and secures it with waterproof tape to protect the wound during bathing and daily activity. Alternatively, a patient undergoing outpatient surgical dressing change in a clinic or ambulatory surgery center requires additional A4452 waterproof tape per 18 square inches to reinforce adhesive dressings over a drainage site. The clinical workflow includes wound assessment, dressing selection, measurement of tape needed (billing in 18 square inch units), application of tape to secure the dressing, documentation of product and quantity in the medical record, and billing using HCPCS Level II code A4452 when supplies are separately billable from the professional service. Typical sites of service are outpatient clinics, urgent care centers, ambulatory surgery centers, and hospital outpatient departments.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
00 | No modifier (default) | Use when no special circumstances apply and standard supply billing is performed. |