A4398 HCPCS Level II code: Ostomy irrigation supply; bag, each
A4398 is the HCPCS code for “Ostomy irrigation supply; bag, each” in CMS’s October 2026 release, in effect from Oct 1, 2026.
Official description
A4398Ostomy irrigation supply; bag, each
Short description: Ostomy irrigation bag
HCPCS · United States
Medicare details
The indicators CMS publishes with A4398 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, 1989
Where A4398 sits
- 1A codesAmbulance, supplies and miscellaneous
- 2Active code A4398Ostomy irrigation supply; bag, 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 A4398 mean?
A4398 is the HCPCS code for “Ostomy irrigation supply; bag, each” in CMS’s HCPCS Level II October 2026 release.
Does Medicare cover A4398?
CMS lists A4398’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 A4398
All A codesA4392Ostomy pouch, urinary, with standard wear barrier attached, with built-in convexity (1 piece), eachA4393Ostomy pouch, urinary, with extended wear barrier attached, with built-in convexity (1 piece), eachA4394Ostomy deodorant, with or without lubricant, for use in ostomy pouch, per fluid ounceA4395Ostomy deodorant for use in ostomy pouch, solid, per tabletA4396Ostomy belt with peristomal hernia supportA4397Irrigation supply; sleeve, eachA4399Ostomy irrigation supply; cone/catheter, with or without brushA4400Ostomy irrigation setA4402Lubricant, per ounceA4404Ostomy ring, eachA4405Ostomy skin barrier, non-pectin based, paste, per ounceA4406Ostomy skin barrier, pectin-based, paste, per ounce