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 2026Q4-Oct. 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 2026Q4.
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.
- A2049Theracor, per square centimeter (add-on, list separately in addition to primary procedure)
- A2050Fibrillar collagen wound dressing, per milligram
- 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)