HCPCS drug code · CMS crosswalk
Rezzayo J-Code / HCPCS Code
In short
Rezzayo is billed under HCPCS J0349 — Injection, rezafungin, 1 mg. One billing unit is 1 mg. CMS's crosswalk lists 1 Rezzayo NDC under this code.
Reference
- J0349
- Injection, rezafungin, 1 mgBilling unit: 1 mg
- Labelers
- Melinta Therapeutics, LLC
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. CMS note: Inflation-adjusted coinsurance. A payment limit is not a coverage decision; the Medicare contractor decides coverage. CMS ASP pricing files
Rezzayo units and claim line
Enter the dose given to get the J0349 units and the NDC line for the CMS-1500 and the 837P.
Enter the dose given to build the claim line.
Rezzayo 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 |
|---|---|---|---|---|
| 70842-0240-01 | J0349 | Melinta Therapeutics, LLC | 1 | 200 |
Rezzayo: common questions
- What is the J-code for Rezzayo?
- Rezzayo is billed under HCPCS J0349 — Injection, rezafungin, 1 mg. One billing unit is 1 mg. CMS's crosswalk lists 1 Rezzayo NDC under this code.
- How many J0349 billing units are in a package of Rezzayo?
- CMS lists 200 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 J0349 a CPT code?
- No. J0349 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.