HCPCS drug code · CMS crosswalk
Aralast NP J-Code / HCPCS Code
In short
Aralast NP 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 2 Aralast NP NDCs under this code.
Reference
- J0256
- Injection, alpha 1 proteinase inhibitor (human), not otherwise specified, 10 mgBilling unit: 10 mg
- Labelers
- Takeda Pharmaceuticals America, 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
Aralast NP 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.
Aralast NP 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 |
|---|---|---|---|---|
| 00944-2814-01 | J0256 | Takeda Pharmaceuticals America, Inc. | 1 | 0.1 |
| 00944-2815-01 | J0256 | Takeda Pharmaceuticals America, Inc. | 1 | 0.1 |
Aralast NP: common questions
- What is the J-code for Aralast NP?
- Aralast NP 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 2 Aralast NP NDCs under this code.
- How many J0256 billing units are in a package of Aralast NP?
- 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.