HCPCS drug code · CMS crosswalk
Posaconazole J-Code / HCPCS Code
In short
Posaconazole is billed under HCPCS J1837 — Injection, posaconazole, 1 mg. One billing unit is 1 mg. CMS's crosswalk lists 6 Posaconazole NDCs under this code.
Reference
- J1837
- Injection, posaconazole, 1 mgBilling unit: 1 mg
- Labelers
- Endo USA, Inc.; Eugia US LLC; FreseniUS Kabi USA, LLC; Glenmark Pharmaceuticals Inc., USA; Mylan Institutional LLC
Medicare Part B payment limit
CMS ASP filePayment limit per unit$0.385
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
Posaconazole units and claim line
Enter the dose given to get the J1837 units and the NDC line for the CMS-1500 and the 837P.
Enter the dose given to build the claim line.
Posaconazole 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 |
|---|---|---|---|---|
| 42023-0195-01 | J1837 | Endo USA, Inc. | 16.7 | 300 |
| 55150-0388-01 | J1837 | Eugia US LLC | 16.7 | 300 |
| 63323-0685-17 | J1837 | FreseniUS Kabi USA, LLC | 16.7 | 300 |
| 67457-0665-20 | J1837 | Mylan Institutional LLC | 16.7 | 300 |
| 68462-0904-01 | J1837 | Glenmark Pharmaceuticals Inc., USA | 16.7 | 300 |
| 68462-0911-01 | J1837 | Glenmark Pharmaceuticals Inc., USA | 16.7 | 300 |
Posaconazole: common questions
- What is the J-code for Posaconazole?
- Posaconazole is billed under HCPCS J1837 — Injection, posaconazole, 1 mg. One billing unit is 1 mg. CMS's crosswalk lists 6 Posaconazole NDCs under this code.
- How many J1837 billing units are in a package of Posaconazole?
- CMS lists 300 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 J1837 a CPT code?
- No. J1837 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.