A4231
HCPCSInfusion insulin pump needle
Official HCPCS Level II long descriptor
Infusion set for external insulin pump, needle type
HCPCS Level II code A4231 is maintained by CMS and is active in the current quarterly release.
Short descriptor
Infusion insulin pump needle
Added to HCPCS: 1996-01-01
Nearby codes in A4
- A4220Infusion pump refill kit
- A4221Supp non-insulin inf cath/wk
- A4222Infusion supplies with pump
- A4223Infusion supplies w/o pump
- A4224Supply insulin inf cath/wk
- A4225Sup/ext insulin inf pump syr
- A4226Weekly supply maint cgs pump
- A4230Infus insulin pump non needl
- A4232Syringe w/needle insulin 3cc
- A4233Alkalin batt for glucose mon
- A4234J-cell batt for glucose mon
- A4235Lithium batt for glucose mon
- A4236Silvr oxide batt glucose mon
- A4238Adju cgm supply allowance
- A4239Non-adju cgm supply allow
- A4244Alcohol or peroxide per pint
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.