A4211 — Supplies for self-administered injections
A4211 is a HCPCS Level II code for supplies for self-administered injections. It belongs to the Transportation, Medical & Surgical Supplies, Administrative section. Whether Medicare pays it depends on the coverage rule below.
Medicare coverage: Special coverage instructions apply
There are published conditions attached to this code. Check the applicable coverage policy before billing it: the code being valid is not the same as the service being covered.
From the coverage field of the CMS Alpha-Numeric HCPCS File, release 2026Q3-Jul. This states Medicare’s position on the code, not on your particular claim.
Physician fee schedule statusP
Bundled or excluded. No RVUs and no payment: either bundled into another service or paid under a different provision of the Act.
Global period: XXX
Want the dollar amount for your locality? The fee calculator applies your GPCI and the current conversion factor.
Medically Unlikely Edits — units per day
The most units of A4211 Medicare will pay on one date of service. Bill more on a single line and it is denied. The limit is not the same in every setting, so the row that matters is the one matching the claim you are building.
- practitioner
- 0 — never payable MAI 3 — Date of Service Edit: Clinical · CMS Policy
- outpatient
- 1 unit MAI 3 — Date of Service Edit: Clinical · Clinical: CMS Workgroup
- DME supplier
- 0 — never payable MAI 3 — Date of Service Edit: Clinical · CMS Policy
The adjudication indicator decides whether exceeding the limit is worth appealing at all: MAI 1 is a line edit you can support with documentation, MAI 3 is a date-of-service edit that is also appealable, and MAI 2 is absolute — no documentation overrides it. CMS MUE 2026Q3.
The CMS record for A4211
- Long descriptor
- Supplies for self-administered injections
- Short descriptor
- Supp for self-adm injections
- Added
- January 1, 1993
- BETOS
- D1A
- Pricing indicator
- 00 — Not priced by Part B
The official wording. This is what the code means.
CMS's 28-character form, which is what shows up on a remittance advice.
When CMS introduced the code.
Berenson-Eggers Type of Service — CMS's own analytic grouping.
Service not separately priced by Part B — not covered, bundled into another service, or used by Part A only.
Codes adjacent to A4211
HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If A4211 is not quite right, the correct code is very often within a few positions of it.
- A2044Biobrane glove, each
- A2045Novashield or novogen wound matrix, per square centimeter
- A4100Non-sheet form skin substitute, fda cleared as a device, not otherwise specified (list in addition to primary procedure)
- A4206Syringe with needle, sterile, 1 cc or less, each
- A4207Syringe with needle, sterile 2 cc, each
- A4208Syringe with needle, sterile 3 cc, each
- A4209Syringe with needle, sterile 5 cc or greater, each
- A4210Needle-free injection device, each
- A4212Non-coring needle or stylet with or without catheter
- A4213Syringe, sterile, 20 cc or greater, each
- A4215Needle, sterile, any size, each
- A4216Sterile water, saline and/or dextrose, diluent/flush, 10 ml
- A4217Sterile water/saline, 500 ml
- A4218Sterile saline or water, metered dose dispenser, 10 ml
- A4220Refill kit for implantable infusion pump
- A4221Supplies for maintenance of non-insulin drug infusion catheter, per week (list drugs separately)
Questions about A4211
What is HCPCS code A4211?
A4211 is a HCPCS Level II code for supplies for self-administered injections. It sits in the Transportation, Medical & Surgical Supplies, Administrative section.
Does Medicare cover A4211?
The CMS HCPCS file marks A4211 as "Special coverage instructions apply". There are published conditions attached to this code. Check the applicable coverage policy before billing it: the code being valid is not the same as the service being covered.
How is A4211 paid under the physician fee schedule?
A4211 carries PFS status code P. Bundled or excluded. No RVUs and no payment: either bundled into another service or paid under a different provision of the Act.