HCPCS drug code · CMS crosswalk
Thiotepa J-Code / HCPCS Code
In short
Thiotepa is billed under HCPCS J9342 — Injection, thiotepa, not otherwise specified, 1 mg. One billing unit is 1 mg. CMS's crosswalk lists 11 Thiotepa NDCs under this code.
Reference
- J9342
- Injection, thiotepa, not otherwise specified, 1 mgBilling unit: 1 mg
- Labelers
- Dr. Reddy's Laboratories Inc.; FreseniUS Kabi USA, LLC; Hikma Pharmaceuticals USA Inc.; Meitheal Pharmaceuticals Inc.; Novadoz Pharmaceuticals LLC; Sagent Pharmaceuticals
Medicare Part B payment limit
CMS ASP filePayment limit per unit$5.871
Per1 mg
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
Thiotepa units and claim line
Enter the dose given to get the J9342 units and the NDC line for the CMS-1500 and the 837P.
Enter the dose given to build the claim line.
Thiotepa 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 |
|---|---|---|---|---|
| 00143-9292-01 | J9342 | Hikma Pharmaceuticals USA Inc. | 1 | 100 |
| 00143-9309-01 | J9342 | Hikma Pharmaceuticals USA Inc. | 1 | 15 |
| 00143-9565-01 | J9342 | Hikma Pharmaceuticals USA Inc. | 1 | 15 |
| 25021-0246-02 | J9342 | Sagent Pharmaceuticals | 1 | 15 |
| 43598-0171-11 | J9342 | Dr. Reddy's Laboratories Inc. | 1 | 100 |
| 43598-0650-11 | J9342 | Dr. Reddy's Laboratories Inc. | 1 | 15 |
| 65219-0029-20 | J9342 | FreseniUS Kabi USA, LLC | 1 | 100 |
| 71288-0156-05 | J9342 | Meitheal Pharmaceuticals Inc. | 1 | 15 |
| 71288-0157-10 | J9342 | Meitheal Pharmaceuticals Inc. | 1 | 100 |
| 72205-0045-01 | J9342 | Novadoz Pharmaceuticals LLC | 1 | 15 |
| 72205-0046-01 | J9342 | Novadoz Pharmaceuticals LLC | 1 | 100 |
Thiotepa: common questions
- What is the J-code for Thiotepa?
- Thiotepa is billed under HCPCS J9342 — Injection, thiotepa, not otherwise specified, 1 mg. One billing unit is 1 mg. CMS's crosswalk lists 11 Thiotepa NDCs under this code.
- How many J9342 billing units are in a package of Thiotepa?
- CMS lists 15 to 100 billing units per package, depending on the NDC, where one unit is 1 mg. Units to report are based on the dose given, not the package.
- Is J9342 a CPT code?
- No. J9342 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.