A4211 HCPCS code: Supplies for self-administered injections
A4211 is the HCPCS Level II code for supplies for self-administered injections. Its Medicare coverage code is D (Special coverage instructions apply): Medicare covers it when its national or local coverage criteria are met. The NCCI unit limit is 1 per day on outpatient hospital claims.
Code details
| Field | Value |
|---|---|
| Section | A codes — Transportation, medical/surgical supplies and miscellaneous |
| Coverage code | D — Special coverage instructions apply |
| Pricing indicator | 00 — Not separately priced by Medicare |
| BETOS category | D1A — Medical/surgical supplies |
| Added | 1993-01-01 |
| Last action effective | 1997-01-01 |
NCCI unit limits (MUE)
| Claim type | Max units per day | Rationale |
|---|---|---|
| outpatient hospital claims | 1 | Clinical: CMS Workgroup |
What changed for A4211
- 1993-01-01: A4211 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 A4211?
A4211 is the HCPCS Level II code for supplies for self-administered injections. Short descriptor: "Supp for self-adm injections".
Does Medicare cover A4211?
Coverage code D — Special coverage instructions apply. Medicare covers it when its national or local coverage criteria are met.
How many units of A4211 can be billed per day?
1 on outpatient hospital claims (NCCI medically unlikely edits).
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
- 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
- A4220 — Refill kit for implantable infusion pump
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 A4211
- Watch A4211 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for A4211
Sources: CMS HCPCS Level II release October 2026; 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.