HCPCS drug code · CMS crosswalk
Carnitor J-Code / HCPCS Code
In short
Carnitor is billed under HCPCS J1955 — Injection, levocarnitine, per 1 gm. One billing unit is 1 gm. CMS's crosswalk lists 1 Carnitor NDC under this code.
Reference
- J1955
- Injection, levocarnitine, per 1 gmBilling unit: 1 gm
- Labelers
- Leadiant Biosciences, Inc.
Medicare Part B payment limit
CMS ASP filePayment limit per unit$24.375
Per1 gm
Coinsurance20%
Effective 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
Carnitor units and claim line
Enter the dose given to get the J1955 units and the NDC line for the CMS-1500 and the 837P.
Enter the units to build the claim line.
Carnitor NDCs and billing units
From CMS’s ASP NDC–HCPCS crosswalk, effective October 1, 2026 through December 31, 2026. Billing units per package are CMS’s figures for the code’s unit.
| NDC (11-digit) | HCPCS | Labeler | Package | Billing units per package |
|---|---|---|---|---|
| 54482-0147-01 | J1955 | Leadiant Biosciences, Inc. | 5 × 5 | 5 |
Carnitor: common questions
- What is the J-code for Carnitor?
- Carnitor is billed under HCPCS J1955 — Injection, levocarnitine, per 1 gm. One billing unit is 1 gm. CMS's crosswalk lists 1 Carnitor NDC under this code.
- How many J1955 billing units are in a package of Carnitor?
- CMS lists 5 billing units per package, depending on the NDC, where one unit is 1 gm. Units to report are based on the dose given, not the package.
- Is J1955 a CPT code?
- No. J1955 is a HCPCS Level II code from CMS for the drug itself. Giving it, for example by injection or infusion, is usually reported with a separate CPT administration code.