HCPCS drug code · CMS crosswalk
Amphotericin B J-Code / HCPCS Code
In short
Amphotericin B is billed under HCPCS J0285 — Injection, amphotericin b, 50 mg. One billing unit is 50 mg. CMS's crosswalk lists 1 Amphotericin B NDC under this code.
Reference
- J0285
- Injection, amphotericin b, 50 mgBilling unit: 50 mg
- Labelers
- XGen Pharmaceuticals DJB, Inc.
Medicare Part B payment limit
CMS ASP filePayment limit per unit$42.474
Per50 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
Amphotericin B units and claim line
Enter the dose given to get the J0285 units and the NDC line for the CMS-1500 and the 837P.
Enter the dose given to build the claim line.
Amphotericin B 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 |
|---|---|---|---|---|
| 39822-1055-05 | J0285 | XGen Pharmaceuticals DJB, Inc. | 1 | 1 |
Amphotericin B: common questions
- What is the J-code for Amphotericin B?
- Amphotericin B is billed under HCPCS J0285 — Injection, amphotericin b, 50 mg. One billing unit is 50 mg. CMS's crosswalk lists 1 Amphotericin B NDC under this code.
- How many J0285 billing units are in a package of Amphotericin B?
- CMS lists 1 billing units per package, depending on the NDC, where one unit is 50 mg. Units to report are based on the dose given, not the package.
- Is J0285 a CPT code?
- No. J0285 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.