A4408 External wear ost skn barr >4sq"
Also known as: convex barrier, extended barrier
External wear ostomy skin barrier with convex surface greater than 4 square inches.
In Plain Language
ostomy pouch attachment; skin protection for ostomy
Clinical Context
Used for patients with colostomy, ileostomy, or urostomy to protect peristomal skin from drainage and irritation. Indicated when standard flat barriers inadequately protect skin due to anatomy or drainage patterns.
RVU Information
CPT A4408 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 A4408?
CPT A4408 (External wear ost skn barr >4sq") is a A Codes code. External wear ostomy skin barrier with convex surface greater than 4 square inches.
Does Medicare cover A4408?
Medicare coverage for A4408 depends on medical necessity and applicable Local Coverage Determinations (LCDs). Used for patients with colostomy, ileostomy, or urostomy to protect peristomal skin from drainage and irritation. Indicated when standard flat barriers inadequately protect skin due to anatomy or drainage patterns. A physician order is typically required.
When is CPT A4408 used?
Used for patients with colostomy, ileostomy, or urostomy to protect peristomal skin from drainage and irritation. Indicated when standard flat barriers inadequately protect skin due to anatomy or drainage patterns.
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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.