Summary & Overview
HCPCS A4396: Ostomy Belt with Peristomal Hernia Support
HCPCS Level II code A4396 represents an ostomy belt with peristomal hernia support, a durable medical supply used to stabilize the stoma and provide external hernia support. Nationally, this code matters for post-operative care, chronic ostomy management, and durable medical equipment billing, affecting coverage decisions, patient out-of-pocket costs, and supplier reimbursement. The code is commonly used when clinicians prescribe external support for patients with or at risk for peristomal hernias.
Key payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find an overview of clinical context, common billing practices, and the service settings where A4396 is applied. The publication outlines typical benchmarks and policy considerations relevant to durable medical equipment and ostomy supplies, and summarizes what to expect in coverage and coding workflows.
This summary is intended for a national audience of providers, billing specialists, and policy analysts seeking concise context for HCPCS Level II code A4396. It does not provide clinical recommendations or state-specific guidance but offers a foundation for understanding how the code relates to ostomy care, durable medical equipment billing, and payer interactions.
Billing Code Overview
HCPCS Level II code A4396 describes an ostomy belt with peristomal hernia support. The service type is supportive medical supply designed to provide external support to the stoma and surrounding tissues to reduce discomfort and help manage a peristomal hernia. The typical site of service is outpatient durable medical equipment or medical supply settings, including home use when prescribed by a clinician.
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Clinical & Coding Specifications
Clinical Context
A typical patient is a 68-year-old person with a permanent end colostomy who develops a peristomal bulge and discomfort with appliance seal failure. The patient reports increased leakage, skin irritation, and difficulty fitting ostomy appliances. A wound, ostomy, and continence (WOC) nurse evaluates the stoma in the outpatient wound clinic or durable medical equipment (DME) supplier setting, documents a peristomal hernia on physical exam, and measures for an ostomy belt with peristomal hernia support. The clinician confirms medical necessity when conservative measures (support garments, appliance changes) have been insufficient, and prescribes an ostomy belt with hernia support for improved stoma stability, appliance adherence, and patient comfort. The device is dispensed from a DME supplier; training on placement and skin care is provided by the WOC nurse or DME clinical staff. Follow-up occurs in outpatient clinic or home health to assess fit and symptom improvement.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
11 | Principal diagnosis | When this procedure/service is the primary reason for the encounter and linked to the principal diagnosis |
22 | Increased procedural services |