A4331 HCPCS Level II code: Extension drainage tubing, any type, any length, with connector/adaptor, for use with urinary leg bag or urostomy pouch, each
A4331 is the HCPCS code for “Extension drainage tubing, any type, any length, with connector/adaptor, for use with urinary leg bag or urostomy pouch, each” in CMS’s October 2026 release, in effect from Oct 1, 2026.
Official description
A4331Extension drainage tubing, any type, any length, with connector/adaptor, for use with urinary leg bag or urostomy pouch, each
Short description: Extension drainage tubing
HCPCS · United States
Medicare details
The indicators CMS publishes with A4331 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, 2001
Where A4331 sits
- 1A codesAmbulance, supplies and miscellaneous
- 2Active code A4331Extension drainage tubing, any type, any length, with connector/adaptor, for use with urinary leg bag or urostomy pouch, 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 A4331 mean?
A4331 is the HCPCS code for “Extension drainage tubing, any type, any length, with connector/adaptor, for use with urinary leg bag or urostomy pouch, each” in CMS’s HCPCS Level II October 2026 release.
Does Medicare cover A4331?
CMS lists A4331’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 A4331
All A codesA4321Therapeutic agent for urinary catheter irrigationA4322Irrigation syringe, bulb or piston, eachA4326Male external catheter with integral collection chamber, any type, eachA4327Female external urinary collection device; meatal cup, eachA4328Female external urinary collection device; pouch, eachA4330Perianal fecal collection pouch with adhesive, eachA4332Lubricant, individual sterile packet, eachA4333Urinary catheter anchoring device, adhesive skin attachment, eachA4334Urinary catheter anchoring device, leg strap, eachA4335Incontinence supply; miscellaneousA4336Incontinence supply, urethral insert, any type, eachA4337Incontinence supply, rectal insert, any type, each