Summary & Overview
HCPCS A4414: Ostomy Skin Barrier with Flange, ≤4 x 4 Inches
HCPCS Level II code A4414 identifies a flanged ostomy skin barrier (solid, flexible, or accordion) without built-in convexity, 4 x 4 inches or smaller, billed per item. This code is nationally important because ostomy supplies are essential for chronic ostomy management, affect patient quality of life, and represent a durable medical equipment and supply cost category with frequent utilization across outpatient and home care settings. Key payers discussed include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of the clinical purpose of the product, typical sites of service, and which major payers cover the supply. The publication outlines common billing and coding contexts for A4414, summarizes standard coverage considerations and reimbursement benchmarks where available, and highlights relevant policy or coverage update types that commonly affect ostomy supply reimbursement. Data on associated taxonomies, ICD-10 diagnoses, modifiers, related codes, and service line specifics are noted when available; if not provided in input, those fields are indicated as not available. This summary is intended to support coding accuracy, payer discussions, and administrative planning for providers and billing teams managing ostomy supply claims nationwide.
Billing Code Overview
HCPCS Level II code A4414 describes an ostomy skin barrier with flange (solid, flexible, or accordion), without built-in convexity, sized 4 x 4 inches or smaller, billed per item. The service type is durable medical supply for ostomy appliance components used to protect peristomal skin and secure an ostomy pouch. The typical site of service is outpatient settings or home care where ostomy supplies are applied and changed, including durable medical equipment suppliers, home health settings, and outpatient clinics.
Clinical & Coding Specifications
Clinical Context
A 68-year-old patient with a permanent end colostomy requires routine replacement of an ostomy skin barrier. The patient attends an outpatient wound/ostomy clinic staffed by a certified wound, ostomy, and continence nurse (WOCN) or visits a home health nurse for a scheduled supply delivery. The clinician inspects the peristomal skin, measures the stoma, selects an appropriately sized two-piece system with a flange and a separate ostomy pouch, and applies a 4 x 4 inch or smaller skin barrier (flat/without built-in convexity) to protect skin and provide a secure flange connection. The clinician documents stoma type, peristomal skin condition, measurements, reason for barrier size and type, product brand/HCPCS (A4414), quantity supplied, and patient teaching provided about application and pouch emptying. Typical workflow steps: patient presentation or routine supply request → assessment of stoma/peristomal skin → selection of appropriate barrier (A4414) → barrier application or patient instruction → documentation and billing of A4414 per barrier supplied.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
00 | No modifier |