HCPCS drug code · CMS crosswalk
Yartemlea J-Code / HCPCS Code
In short
Yartemlea is billed under HCPCS J1289 — Injection, narsoplimab-wuug, 1 mg. One billing unit is 1 mg. CMS's crosswalk lists 1 Yartemlea NDC under this code.
Reference
- J1289
- Injection, narsoplimab-wuug, 1 mgBilling unit: 1 mg
- Labelers
- Omeros Corporation
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: Added October 2026. A payment limit is not a coverage decision; the Medicare contractor decides coverage. CMS ASP pricing files
Yartemlea units and claim line
Enter the dose given to get the J1289 units and the NDC line for the CMS-1500 and the 837P.
Enter the dose given to build the claim line.
Yartemlea 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 |
|---|---|---|---|---|
| 62225-0300-00 | J1289 | Omeros Corporation | 2 | 370 |
Yartemlea: common questions
- What is the J-code for Yartemlea?
- Yartemlea is billed under HCPCS J1289 — Injection, narsoplimab-wuug, 1 mg. One billing unit is 1 mg. CMS's crosswalk lists 1 Yartemlea NDC under this code.
- How many J1289 billing units are in a package of Yartemlea?
- CMS lists 370 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 J1289 a CPT code?
- No. J1289 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.