A4407 External wear ost skn barr <=4sq"
Also known as: small extended wear barrier, 4x4 extended wear
Extended wear ostomy skin barrier 4 square inches or less, a small extended-wear protective wafer for stoma sites 4 square inches or smaller.
In Plain Language
small durable stoma shield; extended-wear small barrier
Clinical Context
Extended-wear formulation for small stoma sites, reducing changeout frequency and improving skin health.
RVU Information
CPT A4407 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 A4407?
CPT A4407 (External wear ost skn barr <=4sq") is a A Codes code. Extended wear ostomy skin barrier 4 square inches or less, a small extended-wear protective wafer for stoma sites 4 square inches or smaller.
Does Medicare cover A4407?
Medicare coverage for A4407 depends on medical necessity and applicable Local Coverage Determinations (LCDs). Extended-wear formulation for small stoma sites, reducing changeout frequency and improving skin health. A physician order is typically required.
When is CPT A4407 used?
Extended-wear formulation for small stoma sites, reducing changeout frequency and improving skin health.
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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.