A4409 Ost skn barr convex <=4 square i
Also known as: convex barrier small, compact convex barrier
Ostomy skin barrier with convex surface, 4 square inches or less.
In Plain Language
small ostomy attachment; skin protector
Clinical Context
Used for patients with small ostomies or limited peristomal skin area requiring convex protection. Provides skin protection and maintains appliance adherence for smaller stomas.
RVU Information
CPT A4409 does not have a physician work RVU assigned by CMS. This is typical for supply, drug, and equipment codes — reimbursement is based on Average Sales Price (ASP), fee schedules, or payer contracts rather than the RVU system.
Billing & Documentation
HCPCS A-codes cover medical supplies, equipment, and transport services. Documentation must establish medical necessity and include a physician order. For durable medical equipment (DME), a Certificate of Medical Necessity (CMN) or detailed written order may be required.
Specialties
Frequently Asked Questions
What is CPT code A4409?
CPT A4409 (Ost skn barr convex <=4 square i) is a A Codes code. Ostomy skin barrier with convex surface, 4 square inches or less.
Does Medicare cover A4409?
Medicare coverage for A4409 depends on medical necessity and applicable Local Coverage Determinations (LCDs). Used for patients with small ostomies or limited peristomal skin area requiring convex protection. Provides skin protection and maintains appliance adherence for smaller stomas. A physician order is typically required.
When is CPT A4409 used?
Used for patients with small ostomies or limited peristomal skin area requiring convex protection. Provides skin protection and maintains appliance adherence for smaller stomas.
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CPT® is a registered trademark of the American Medical Association. Data sourced from CMS Physician Fee Schedule RVU26A. Descriptions, synonyms, and clinical context are original content by RVU Edge.