HCPCS Level II drug code
J1240 — Injection, dimenhydrinate, up to 50 mg
In short
J1240 is the HCPCS Level II code for injection, dimenhydrinate, up to 50 mg. CMS assigns NDCs for Dimenhydrinate to it. The Medicare Part B payment limit is $9.394 per unit (October 1, 2026 through December 31, 2026).
Code
CMS HCPCS file- Descriptor
- Injection, dimenhydrinate, up to 50 mg
- Short descriptor
- Dimenhydrinate injection
- Code set
- HCPCS Level II, maintained by CMS
- Effective
- Jan 1, 1997
Medicare Part B payment limit
CMS ASP fileEffective October 1, 2026 through December 31, 2026. Payment allowance limits subject to the ASP methodology are based on 2Q26 ASP data. A payment limit is not a coverage decision; the Medicare contractor decides coverage. CMS ASP pricing files
Units and claim line
Enter the dose to get the units and the NDC line for the CMS-1500 and the 837P.
Enter the units to build the claim line.
NDCs billed under J1240
CMS’s ASP NDC–HCPCS crosswalk (effective October 1, 2026 through December 31, 2026) assigns 1 NDC to J1240 for Dimenhydrinate. Billing units per package are CMS’s figures for this code’s unit.
| Drug | NDC (11-digit) | Labeler | Package | Billing units per package |
|---|---|---|---|---|
| Dimenhydrinate | 63323-0366-01 | FreseniUS Kabi USA, LLC | 25 × 1 | 25 |
J1240: common questions
- Is J1240 a CPT code?
- No. J1240 is a HCPCS Level II code, maintained by CMS, that identifies the drug supplied. CPT codes are five-digit numbers from the AMA that describe services. Giving the drug, for example an injection or infusion, is usually reported with a separate CPT administration code. CPT codes for drug administration.
- What NDCs are billed under J1240?
- CMS's ASP crosswalk for October 1, 2026 through December 31, 2026 lists 1 NDC under J1240, for Dimenhydrinate. The table on this page shows each one with its billing units per package.
- What is the Medicare payment limit for J1240?
- $9.394 per 50 mg, effective October 1, 2026 through December 31, 2026, from CMS's Part B drug payment limit file. Multiply by the units billed for the allowed amount before deductible and coinsurance. It is not a coverage decision.