HCPCS drug code · CMS crosswalk
Thyrogen J-Code / HCPCS Code
In short
Thyrogen is billed under HCPCS J3240 — Injection, thyrotropin alpha, 0.9 mg, provided in 1.1 mg vial. One billing unit is 0.9 mg. CMS's crosswalk lists 1 Thyrogen NDC under this code.
Reference
- J3240
- Injection, thyrotropin alpha, 0.9 mg, provided in 1.1 mg vialBilling unit: 0.9 mg
- Labelers
- Genzyme Corporation
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
Thyrogen units and claim line
Enter the dose given to get the J3240 units and the NDC line for the CMS-1500 and the 837P.
Enter the dose given to build the claim line.
Thyrogen 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 |
|---|---|---|---|---|
| 58468-0030-02 | J3240 | Genzyme Corporation | 2 × 1 | 2 |
Thyrogen: common questions
- What is the J-code for Thyrogen?
- Thyrogen is billed under HCPCS J3240 — Injection, thyrotropin alpha, 0.9 mg, provided in 1.1 mg vial. One billing unit is 0.9 mg. CMS's crosswalk lists 1 Thyrogen NDC under this code.
- How many J3240 billing units are in a package of Thyrogen?
- CMS lists 2 billing units per package, depending on the NDC, where one unit is 0.9 mg. Units to report are based on the dose given, not the package.
- Is J3240 a CPT code?
- No. J3240 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.