A4321
HCPCSCath therapeutic irrig agent
Official HCPCS Level II long descriptor
Therapeutic agent for urinary catheter irrigation
HCPCS Level II code A4321 is maintained by CMS and is active in the current quarterly release.
Short descriptor
Cath therapeutic irrig agent
Added to HCPCS: 1997-01-01
Nearby codes in A4
- A4311Catheter w/o bag 2-way latex
- A4312Cath w/o bag 2-way silicone
- A4313Catheter w/bag 3-way
- A4314Cath w/drainage 2-way latex
- A4315Cath w/drainage 2-way silcne
- A4316Cath w/drainage 3-way
- A4318Fem urinary cup w/wo attch
- A4320Irrigation tray
- A4322Irrigation syringe
- A4326Male external catheter
- A4327Fem urinary collect dev cup
- A4328Fem urinary collect pouch
- A4330Stool collection pouch
- A4331Extension drainage tubing
- A4332Lube sterile packet
- A4333Urinary cath anchor device
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.