A4210: Needle-free injection device, each
A4210 is a HCPCS Level II code for needle-free injection device, each. It belongs to the Transportation, Medical & Surgical Supplies, Administrative section. Medicare does not pay it: see the coverage note below before you bill it.
Medicare coverage: Non-covered by Medicare
Medicare does not cover the item or service this code describes.
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 statusN
Non-covered service. Medicare does not cover it.
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 A4210 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
- 0, never payable MAI 3: Date of Service Edit: Clinical · CMS Policy
- 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 A4210
- Long descriptor
- Needle-free injection device, each
- Short descriptor
- Nonneedle injection device
- Added
- January 1, 1989
- 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 A4210
HCPCS has no hierarchy: related items simply sit next to each other in the numbering. If A4210 is not quite right, the correct code is very often within a few positions of it.
- A2048Puraply mz, per milligram
- 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
- A4211Supplies for self-administered injections
- 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