J1289 — Injection, narsoplimab-wuug, 1 mg
J1289 is a HCPCS Level II code for injection, narsoplimab-wuug, 1 mg. It belongs to the Drugs Administered Other Than Oral Method section. Whether Medicare pays it depends on the coverage rule below.
Medicare coverage: Carrier judgment
Coverage is decided by your Medicare contractor, not by national policy. Whether this is paid depends on the LCD for your jurisdiction and on what the documentation supports.
From the coverage field of the CMS Alpha-Numeric HCPCS File, release 2026Q3-Jul. This states Medicare’s position on the code, not on your particular claim.
Physician fee schedule statusE
Excluded from the physician fee schedule by regulation. Payment, where it exists, comes from another fee schedule (drugs via ASP, supplies via DMEPOS, and so on).
Global period: XXX
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The CMS record for J1289
- Long descriptor
- Injection, narsoplimab-wuug, 1 mg
- Short descriptor
- Narsoplimab-wuug, 1 mg
- Added
- July 1, 2026
- BETOS
- O1E
- Pricing indicator
- 51 — Other
The official wording. This is what the code means.
CMS's 28-character form, which is what shows up on a remittance advice.
When CMS introduced the code.
Berenson-Eggers Type of Service — CMS's own analytic grouping.
Drugs.
Codes adjacent to J1289
HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If J1289 is not quite right, the correct code is very often within a few positions of it.
- J1240Injection, dimenhydrinate, up to 50 mg
- J1245Injection, dipyridamole, per 10 mg
- J1250Injection, dobutamine hydrochloride, per 250 mg
- J1260Injection, dolasetron mesylate, 10 mg
- J1265Injection, dopamine hcl, 40 mg
- J1267Injection, doripenem, 10 mgterminated
- J1270Injection, doxercalciferol, 1 mcg
- J1271Injection, doxycycline hyclate, 1 mg
- J1290Injection, ecallantide, 1 mg
- J1299Injection, eculizumab, 2 mg
- J1300Injection, eculizumab, 10 mgterminated
- J1301Injection, edaravone, 1 mg
- J1302Injection, sutimlimab-jome, 10 mg
- J1303Injection, ravulizumab-cwvz, 10 mg
- J1304Injection, tofersen, 1 mg
- J1305Injection, evinacumab-dgnb, 5mg
Questions about J1289
What is HCPCS code J1289?
J1289 is a HCPCS Level II code for injection, narsoplimab-wuug, 1 mg. It sits in the Drugs Administered Other Than Oral Method section.
Does Medicare cover J1289?
The CMS HCPCS file marks J1289 as "Carrier judgment". Coverage is decided by your Medicare contractor, not by national policy. Whether this is paid depends on the LCD for your jurisdiction and on what the documentation supports.
How is J1289 paid under the physician fee schedule?
J1289 carries PFS status code E. Excluded from the physician fee schedule by regulation. Payment, where it exists, comes from another fee schedule (drugs via ASP, supplies via DMEPOS, and so on).