J2323
HCPCSNatalizumab injection
Official HCPCS Level II long descriptor
Injection, natalizumab, 1 mg
HCPCS Level II code J2323 is maintained by CMS and is active in the current quarterly release.
Short descriptor
Natalizumab injection
Added to HCPCS: 2008-01-01
Nearby codes in J2
- J2290Inj, nafcillin sodium, 20 mg
- J2291Inj, nafcillin (baxter) 20mg
- J2300Inj nalbuphine hydrochloride
- J2305Inj, nitroglycerin, 5 mg
- J2312Inj naloxone hcl nos, 0.01mg
- J2313Inj, naloxone (zimhi) 0.01mg
- J2315Naltrexone, depot form
- J2320Nandrolone decanoate 50 mg
- J2325Nesiritide injection
- J2326Inj, nusinersen, 0.1mg
- J2327Inj risankizumab-rzaa 1 mg
- J2329Inj ublituximab-xiiy, 1 mg
- J2350Injection, ocrelizumab, 1 mg
- J2351Inj ocrelizumab 1mg hya-ocsq
- J2353Octreotide injection, depot
- J2354Octreotide inj, non-depot
Where this code sits
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HCPCS Level II July 2026 quarterly update. Centers for Medicare & Medicaid Services (CMS), “July 2026 Alpha-Numeric HCPCS File” (HCPC2026_JUL_ANWEB_06172026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.