A4409 HCPCS Level II code: Ostomy skin barrier, with flange (solid, flexible or accordion), extended wear, without built-in convexity, 4 x 4 inches or smaller, each
A4409 is the HCPCS code for “Ostomy skin barrier, with flange (solid, flexible or accordion), extended wear, without built-in convexity, 4 x 4 inches or smaller, each” in CMS’s October 2026 release, in effect from Oct 1, 2026.
Official description
A4409Ostomy skin barrier, with flange (solid, flexible or accordion), extended wear, without built-in convexity, 4 x 4 inches or smaller, each
Short description: Ost skn barr convex <=4 sq i
HCPCS · United States
Medicare details
The indicators CMS publishes with A4409 in its October 2026 file. They describe Medicare’s handling, not another payer’s.
- Medicare coverage
- Special coverage instructions apply
- 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, 2003
Where A4409 sits
- 1A codesAmbulance, supplies and miscellaneous
- 2Active code A4409Ostomy skin barrier, with flange (solid, flexible or accordion), extended wear, without built-in convexity, 4 x 4 inches or smaller, 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 A4409 mean?
A4409 is the HCPCS code for “Ostomy skin barrier, with flange (solid, flexible or accordion), extended wear, without built-in convexity, 4 x 4 inches or smaller, each” in CMS’s HCPCS Level II October 2026 release.
Does Medicare cover A4409?
CMS lists A4409’s Medicare coverage as “Special coverage instructions apply” 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 A4409
All A codesA4402Lubricant, per ounceA4404Ostomy ring, eachA4405Ostomy skin barrier, non-pectin based, paste, per ounceA4406Ostomy skin barrier, pectin-based, paste, per ounceA4407Ostomy skin barrier, with flange (solid, flexible, or accordion), extended wear, with built-in convexity, 4 x 4 inches or smaller, eachA4408Ostomy skin barrier, with flange (solid, flexible or accordion), extended wear, with built-in convexity, larger than 4 x 4 inches, eachA4410Ostomy skin barrier, with flange (solid, flexible or accordion), extended wear, without built-in convexity, larger than 4 x 4 inches, eachA4411Ostomy skin barrier, solid 4 x 4 or equivalent, extended wear, with built-in convexity, eachA4412Ostomy pouch, drainable, high output, for use on a barrier with flange (2 piece system), without filter, eachA4413Ostomy pouch, drainable, high output, for use on a barrier with flange (2 piece system), with filter, eachA4414Ostomy skin barrier, with flange (solid, flexible or accordion), without built-in convexity, 4 x 4 inches or smaller, eachA4415Ostomy skin barrier, with flange (solid, flexible or accordion), without built-in convexity, larger than 4 x 4 inches, each