Summary & Overview
HCPCS A4450: Non-waterproof Tape, per 18 Square Inches
HCPCS Level II code A4450 identifies non-waterproof adhesive tape measured and billed per 18 square inches. This supply-oriented code covers a commonly used dressing accessory in wound care, home health, and ambulatory procedures. Nationally, accurate use of HCPCS Level II code A4450 matters for supply billing consistency, inventory management, and claims adjudication across public and commercial payers.
Key payers in the analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise account of how this code is applied in clinical supply scenarios, typical sites of service, and common billing considerations. The publication outlines benchmarks for utilization and reimbursement where available, highlights relevant policy or coverage updates that affect supply codes, and places the code in clinical context for wound care and outpatient dressing management.
This summary equips billing managers, revenue-cycle staff, and clinical supply coordinators with an overview of HCPCS Level II code A4450, its practical applications, and the types of payer policies that commonly influence coverage and payment for non-waterproof tape supplies.
Billing Code Overview
HCPCS Level II code A4450 describes non-waterproof tape, billed per 18 square inches. The service type for this code is adhesive wound or dressing tape supply, used to secure dressings, tubing, or to support wounds. The typical site of service is outpatient ambulatory settings, clinics, physician offices, and home health supply shipments, where tape is provided as a durable medical supply or ancillary dressing material.
Data not available in the input.
Clinical & Coding Specifications
Clinical Context
A typical patient scenario involves an outpatient wound-care visit where a clinician applies non-waterproof adhesive tape to secure dressings over a superficial surgical incision, laceration repair, or chronic wound dressing. The patient is usually seen in a clinic, physician office, ambulatory surgical center, or home health setting for routine dressing changes. The workflow includes wound assessment, cleansing, application of primary dressing (gauze or film), and securing the dressing with non-waterproof tape sized up to 18 square inches (A4450). Documentation includes reason for wound care, wound measurements, dressing type, tape size used, patient tolerance, and next planned dressing change. Typical indications include postoperative incision support, securing topical wound dressings, or protecting small abrasions where moisture resistance is not required.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
00 | No modifier | Use when no additional modifier applies to the item or service |
22 | Increased procedural services |