A4366 HCPCS Level II code: Ostomy vent, any type, each
A4366 is the HCPCS code for “Ostomy vent, any type, each” in CMS’s October 2026 release, in effect from Oct 1, 2026.
Official description
A4366Ostomy vent, any type, each
Short description: Ostomy vent
HCPCS · United States
Medicare details
The indicators CMS publishes with A4366 in its October 2026 file. They describe Medicare’s handling, not another payer’s.
- Medicare coverage
- Carrier judgment
- Medicare pricing
- DMEPOS fee schedule – Ostomy, tracheostomy and urological supplies (price subject to floors and ceilings)
- Type of service
- Lump sum purchase of DME, prosthetics, orthotics
- BETOS category
- Prosthetic/Orthotic devices
- Added
- Jan 1, 2004
Where A4366 sits
- 1A codesAmbulance, supplies and miscellaneous
- 2Active code A4366Ostomy vent, any type, each
Source and release
- Data release
- HCPCS Level II · October 2026
- Effective date
- Oct 1, 2026
- Publisher
- CMS
This page is built from the HCPCS Level II catalog that Vero Codes reads when it suggests codes: Centers for Medicare & Medicaid Services’s October 2026 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.
Frequently asked questions
What does HCPCS code A4366 mean?
A4366 is the HCPCS code for “Ostomy vent, any type, each” in CMS’s HCPCS Level II October 2026 release.
Does Medicare cover A4366?
CMS lists A4366’s Medicare coverage as “Carrier judgment” and its pricing as “DMEPOS fee schedule – Ostomy, tracheostomy and urological supplies (price subject to floors and ceilings)”. Coverage and payment still depend on the patient, the setting, the documentation and the payer.
Which HCPCS Level II release does this page use?
It uses CMS’s October 2026 release, in effect from Oct 1, 2026 to Dec 31, 2026. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.
Codes beside A4366
All A codesA4358Urinary drainage bag, leg or abdomen, vinyl, with or without tube, with straps, eachA4360Disposable external urethral clamp or compression device, with pad and/or pouch, eachA4361Ostomy faceplate, eachA4362Skin barrier; solid, 4 x 4 or equivalent; eachA4363Ostomy clamp, any type, replacement only, eachA4364Adhesive, liquid or equal, any type, per ozA4367Ostomy belt, eachA4368Ostomy filter, any type, eachA4369Ostomy skin barrier, liquid (spray, brush, etc.), per ozA4371Ostomy skin barrier, powder, per ozA4372Ostomy skin barrier, solid 4 x 4 or equivalent, standard wear, with built-in convexity, eachA4373Ostomy skin barrier, with flange (solid, flexible or accordion), with built-in convexity, any size, each