A4427 HCPCS Level II code: Ostomy pouch, drainable; for use on barrier with locking flange, with filter (2 piece system), each
A4427 is the HCPCS code for “Ostomy pouch, drainable; for use on barrier with locking flange, with filter (2 piece system), each” in CMS’s October 2026 release, in effect from Oct 1, 2026.
Official description
A4427Ostomy pouch, drainable; for use on barrier with locking flange, with filter (2 piece system), each
Short description: Ost pch drain/barr lk flng/f
HCPCS · United States
Medicare details
The indicators CMS publishes with A4427 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 A4427 sits
- 1A codesAmbulance, supplies and miscellaneous
- 2Active code A4427Ostomy pouch, drainable; for use on barrier with locking flange, with filter (2 piece system), 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 A4427 mean?
A4427 is the HCPCS code for “Ostomy pouch, drainable; for use on barrier with locking flange, with filter (2 piece system), each” in CMS’s HCPCS Level II October 2026 release.
Does Medicare cover A4427?
CMS lists A4427’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 A4427
All A codesA4421Ostomy supply; miscellaneousA4422Ostomy absorbent material (sheet/pad/crystal packet) for use in ostomy pouch to thicken liquid stomal output, eachA4423Ostomy pouch, closed; for use on barrier with locking flange, with filter (2 piece), eachA4424Ostomy pouch, drainable, with barrier attached, with filter (1 piece), eachA4425Ostomy pouch, drainable; for use on barrier with non-locking flange, with filter (2 piece system), eachA4426Ostomy pouch, drainable; for use on barrier with locking flange (2 piece system), eachA4428Ostomy pouch, urinary, with extended wear barrier attached, with faucet-type tap with valve (1 piece), eachA4429Ostomy pouch, urinary, with barrier attached, with built-in convexity, with faucet-type tap with valve (1 piece), eachA4430Ostomy pouch, urinary, with extended wear barrier attached, with built-in convexity, with faucet-type tap with valve (1 piece), eachA4431Ostomy pouch, urinary; with barrier attached, with faucet-type tap with valve (1 piece), eachA4432Ostomy pouch, urinary; for use on barrier with non-locking flange, with faucet-type tap with valve (2 piece), eachA4433Ostomy pouch, urinary; for use on barrier with locking flange (2 piece), each