HCPCS drug code · CMS crosswalk
Caspofungin Acetate J-Code / HCPCS Code
In short
Caspofungin Acetate is billed under HCPCS J0637 — Injection, caspofungin acetate, 5 mg. One billing unit is 5 mg. CMS's crosswalk lists 10 Caspofungin Acetate NDCs under this code.
Reference
- J0637
- Injection, caspofungin acetate, 5 mgBilling unit: 5 mg
- Labelers
- Areva Pharmaceuticals; Athenex Pharmaceutical Division, LLC; FreseniUS Kabi USA, LLC; Sagent Pharmaceuticals; Sandoz Inc.
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
Caspofungin Acetate units and claim line
Enter the dose given to get the J0637 units and the NDC line for the CMS-1500 and the 837P.
Enter the dose given to build the claim line.
Caspofungin Acetate 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 |
|---|---|---|---|---|
| 00781-3421-94 | J0637 | Sandoz Inc. | 1 | 10 |
| 00781-3423-94 | J0637 | Sandoz Inc. | 1 | 14 |
| 25021-0194-10 | J0637 | Sagent Pharmaceuticals | 1 | 10 |
| 25021-0195-10 | J0637 | Sagent Pharmaceuticals | 1 | 14 |
| 59923-0613-70 | J0637 | Areva Pharmaceuticals | 1 | 14 |
| 59923-0614-50 | J0637 | Areva Pharmaceuticals | 1 | 10 |
| 63323-0356-10 | J0637 | FreseniUS Kabi USA, LLC | 10 × 1 | 100 |
| 63323-0358-10 | J0637 | FreseniUS Kabi USA, LLC | 10 × 1 | 140 |
| 70860-0106-10 | J0637 | Athenex Pharmaceutical Division, LLC | 1 | 10 |
| 70860-0107-10 | J0637 | Athenex Pharmaceutical Division, LLC | 1 | 14 |
Caspofungin Acetate: common questions
- What is the J-code for Caspofungin Acetate?
- Caspofungin Acetate is billed under HCPCS J0637 — Injection, caspofungin acetate, 5 mg. One billing unit is 5 mg. CMS's crosswalk lists 10 Caspofungin Acetate NDCs under this code.
- How many J0637 billing units are in a package of Caspofungin Acetate?
- CMS lists 10 to 140 billing units per package, depending on the NDC, where one unit is 5 mg. Units to report are based on the dose given, not the package.
- Is J0637 a CPT code?
- No. J0637 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.