HCPCS drug code · CMS crosswalk
Zemaira J-Code / HCPCS Code
In short
Zemaira is billed under HCPCS J0256 — Injection, alpha 1 proteinase inhibitor (human), not otherwise specified, 10 mg. One billing unit is 10 mg. CMS's crosswalk lists 3 Zemaira NDCs under this code.
Reference
- J0256
- Injection, alpha 1 proteinase inhibitor (human), not otherwise specified, 10 mgBilling unit: 10 mg
- Labelers
- CSL Behring L.L.C.
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
Zemaira units and claim line
Enter the dose given to get the J0256 units and the NDC line for the CMS-1500 and the 837P.
Enter the dose given to build the claim line.
Zemaira 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 |
|---|---|---|---|---|
| 00053-7201-02 | J0256 | CSL Behring L.L.C. | 1 | 0.1 |
| 00053-7202-02 | J0256 | CSL Behring L.L.C. | 1 | 0.1 |
| 00053-7203-02 | J0256 | CSL Behring L.L.C. | 1 | 0.1 |
Zemaira: common questions
- What is the J-code for Zemaira?
- Zemaira is billed under HCPCS J0256 — Injection, alpha 1 proteinase inhibitor (human), not otherwise specified, 10 mg. One billing unit is 10 mg. CMS's crosswalk lists 3 Zemaira NDCs under this code.
- How many J0256 billing units are in a package of Zemaira?
- CMS lists 0.1 billing units per package, depending on the NDC, where one unit is 10 mg. Units to report are based on the dose given, not the package.
- Is J0256 a CPT code?
- No. J0256 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.