J1040 is injection, methylprednisolone acetate, 80 mg, billed at 80 mg = 1 Unit. It covers Depo-Medrol (Methylprednisolone).
The quantity reported on the claim is the dose divided by the code’s billable unit.
Calculate the exact number of billable HCPCS units to report on CMS-1500 / 837P claims based on the patient dose and single-dose vial waste.
| Dose administered | Billable unit | Units to report |
|---|---|---|
| 50 mg | 80 mg = 1 Unit | 0.63 |
| 100 mg | 80 mg = 1 Unit | 1.25 |
| 200 mg | 80 mg = 1 Unit | 2.5 |
| 400 mg | 80 mg = 1 Unit | 5 |
| 1000 mg | 80 mg = 1 Unit | 12.5 |
Rounding and partial-unit rules vary by payer. Where a dose does not divide evenly, most payers expect the units actually administered plus a separate JW modifier line for the discarded remainder.
1 brand name and 1 generic map to this code.
HCPCS Level II is updated quarterly by CMS. Verify J1040 against the current release before submitting a high-value claim.