A4232 HCPCS code: Syringe with needle for external insulin pump, sterile, 3 cc
A4232 is the HCPCS Level II code for syringe with needle for external insulin pump, sterile, 3 cc. Its Medicare coverage code is I (Not payable by Medicare): Medicare does not pay separately under this code; another code applies.
Code details
| Field | Value |
|---|---|
| Section | A codes — Transportation, medical/surgical supplies and miscellaneous |
| Coverage code | I — Not payable by Medicare |
| Pricing indicator | 00 — Not separately priced by Medicare |
| BETOS category | D1E — Other durable medical equipment |
| Added | 1996-01-01 |
| Last action effective | 2003-04-01 |
Related codes Medicare does pay
Medicare does not pay under A4232. These codes in the same A42 family carry a current DMEPOS fee:
- A4216 — Sterile water, saline and/or dextrose, diluent/flush, 10 ml: $0.53–$0.99
- A4217 — Sterile water/saline, 500 ml: $2.18–$4.93
Medicare policy articles for this code
- A52507: External Infusion Pumps - Policy Article (CGS Administrators, LLC (DME MAC) Noridian Healthcare Solutions, LLC (DME MAC)) — mentions this code in its coding guidance
Covered diagnoses (460 ICD-10-CM codes)
The diagnoses most often listed as covered in the policy articles above:
| ICD-10-CM | Diagnosis | Articles listing it |
|---|---|---|
| C91.00 | Acute lymphoblastic leukemia not having achieved remission | 1 |
| C91.01 | Acute lymphoblastic leukemia, in remission | 1 |
| C91.02 | Acute lymphoblastic leukemia, in relapse | 1 |
| D80.0 | Hereditary hypogammaglobulinemia | 1 |
| D80.2 | Selective deficiency of immunoglobulin A [IgA] | 1 |
| D80.3 | Selective deficiency of immunoglobulin G [IgG] subclasses | 1 |
| D80.4 | Selective deficiency of immunoglobulin M [IgM] | 1 |
| D80.5 | Immunodeficiency with increased immunoglobulin M [IgM] | 1 |
| D80.6 | Antibody deficiency with near-normal immunoglobulins or with hyperimmunoglobulinemia | 1 |
| D80.7 | Transient hypogammaglobulinemia of infancy | 1 |
Showing 10 of 460. The full list, non-covered diagnoses and CSV export are in Caduvo.
What changed for A4232
- 1996-01-01: A4232 added to HCPCS Level II
- Next scheduled CMS quarterly update (HCPCS and DMEPOS fee schedule): 2027-01-01
Frequently asked questions
What is HCPCS code A4232?
A4232 is the HCPCS Level II code for syringe with needle for external insulin pump, sterile, 3 cc. Short descriptor: "Syringe w/needle insulin 3cc".
Does Medicare cover A4232?
Coverage code I — Not payable by Medicare. Medicare does not pay separately under this code; another code applies.
Which related codes does Medicare pay instead of A4232?
Codes in the same A42 family with a DMEPOS fee include A4216 ($0.53–$0.99), A4217 ($2.18–$4.93). Check the item matches the code's descriptor before billing.
Which diagnoses support coverage for A4232?
Medicare policy articles that cite A4232 list 460 covered ICD-10-CM diagnosis codes across 1 article. The most cited include C91.00 (Acute lymphoblastic leukemia not having achieved remission), C91.01 (Acute lymphoblastic leukemia, in remission), C91.02 (Acute lymphoblastic leukemia, in relapse). A listed diagnosis is necessary but not sufficient; the policy's other criteria still apply.
Related A42 codes
- A4206 — Syringe with needle, sterile, 1 cc or less, each
- A4207 — Syringe with needle, sterile 2 cc, each
- A4208 — Syringe with needle, sterile 3 cc, each
- A4209 — Syringe with needle, sterile 5 cc or greater, each
- A4210 — Needle-free injection device, each
- A4211 — Supplies for self-administered injections
- A4212 — Non-coring needle or stylet with or without catheter
- A4213 — Syringe, sterile, 20 cc or greater, each
- A4215 — Needle, sterile, any size, each
- A4216 — Sterile water, saline and/or dextrose, diluent/flush, 10 ml ($0.53–$0.99)
- A4217 — Sterile water/saline, 500 ml ($2.18–$4.93)
- A4218 — Sterile saline or water, metered dose dispenser, 10 ml
Building a device that would bill under a code like this? Caduvo matches a device description to HCPCS/CPT codes, Medicare coverage and payment, and the FDA pathway in one report.
Next steps
- Run a reimbursement report for a device billed under A4232
- Watch A4232 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for A4232
Sources: CMS HCPCS Level II release October 2025; CMS DMEPOS fee schedule; CMS NCCI MUE tables; CMS Medicare utilization (physician and DME supplier files); CMS Medicare Coverage Database articles. Fees are Medicare allowables, not commercial rates. Not billing or legal advice.