A4331
HCPCSExtension drainage tubing
Official HCPCS Level II long descriptor
Extension drainage tubing, any type, any length, with connector/adaptor, for use with urinary leg bag or urostomy pouch, each
HCPCS Level II code A4331 is maintained by CMS and is active in the current quarterly release.
Short descriptor
Extension drainage tubing
Added to HCPCS: 2001-01-01
Nearby codes in A4
- A4318Fem urinary cup w/wo attch
- A4320Irrigation tray
- A4321Cath therapeutic irrig agent
- A4322Irrigation syringe
- A4326Male external catheter
- A4327Fem urinary collect dev cup
- A4328Fem urinary collect pouch
- A4330Stool collection pouch
- A4332Lube sterile packet
- A4333Urinary cath anchor device
- A4334Urinary cath leg strap
- A4335Incontinence supply
- A4336Urethral insert
- A4337Incontinent rectal insert
- A4338Indwelling catheter latex
- A4340Indwelling catheter special
Where this code sits
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HCPCS Level II July 2026 quarterly update. Centers for Medicare & Medicaid Services (CMS), “July 2026 Alpha-Numeric HCPCS File” (HCPC2026_JUL_ANWEB_06172026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.