A4366 Ostomy vent
Also known as: pouch vent, charcoal filter
Ostomy vent, a small filter device attached to closed or drainable ostomy pouches allowing air passage while preventing odor escape.
In Plain Language
gas release filter; odor blocker vent
Clinical Context
Prevents buildup of intestinal gas pressure in pouches while filtering odors. Improves comfort and discretion.
RVU Information
CPT A4366 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 A4366?
CPT A4366 (Ostomy vent) is a A Codes code. Ostomy vent, a small filter device attached to closed or drainable ostomy pouches allowing air passage while preventing odor escape.
Does Medicare cover A4366?
Medicare coverage for A4366 depends on medical necessity and applicable Local Coverage Determinations (LCDs). Prevents buildup of intestinal gas pressure in pouches while filtering odors. Improves comfort and discretion. A physician order is typically required.
When is CPT A4366 used?
Prevents buildup of intestinal gas pressure in pouches while filtering odors. Improves comfort and discretion.
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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.