HCPCS drug code · CMS crosswalk
Mylotarg J-Code / HCPCS Code
In short
Mylotarg is billed under HCPCS J9203 — Injection, gemtuzumab ozogamicin, 0.1 mg. One billing unit is 0.1 mg. CMS's crosswalk lists 1 Mylotarg NDC under this code.
Reference
- J9203
- Injection, gemtuzumab ozogamicin, 0.1 mgBilling unit: 0.1 mg
- Labelers
- Pfizer Inc
Medicare Part B payment limit
CMS ASP filePayment limit per unit$247.37
Per0.1 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
Mylotarg units and claim line
Enter the dose given to get the J9203 units and the NDC line for the CMS-1500 and the 837P.
Enter the dose given to build the claim line.
Mylotarg 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 |
|---|---|---|---|---|
| 00008-4510-01 | J9203 | Pfizer Inc | 1 | 45 |
Mylotarg: common questions
- What is the J-code for Mylotarg?
- Mylotarg is billed under HCPCS J9203 — Injection, gemtuzumab ozogamicin, 0.1 mg. One billing unit is 0.1 mg. CMS's crosswalk lists 1 Mylotarg NDC under this code.
- How many J9203 billing units are in a package of Mylotarg?
- CMS lists 45 billing units per package, depending on the NDC, where one unit is 0.1 mg. Units to report are based on the dose given, not the package.
- Is J9203 a CPT code?
- No. J9203 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.