HCPCS Level II · Drugs administered other than oral method
J2311Injection, naloxone hydrochloride (zimhi), 1 mg
Terminated 06/30/2025
Source: CMS HCPCS quarterly update, October 2026. Page updated September 29, 2026.
About J2311
J2311 is an HCPCS Level II code in the J series (drugs administered other than oral method), describing injection, naloxone hydrochloride (zimhi), 1 mg.
It was added to HCPCS effective 01/01/2023, and its current record took effect 07/01/2025.
It was terminated on 06/30/2025 and can't be billed for later dates of service.
Its Medicare coverage code is "D", meaning special Medicare coverage instructions apply.
Details
- Short description
- Inj, naloxone hcl (zimhi)
- Date added
- 01/01/2023
- Action effective
- 07/01/2025
- Termination date
- 06/30/2025
- BETOS
- O1E
Related J23xx codes
- J2300Injection, nalbuphine hydrochloride, per 10 mg
- J2305Injection, nitroglycerin, 5 mg
- J2312Injection, naloxone hydrochloride, not otherwise specified, 0.01 mg
- J2313Injection, naloxone hydrochloride (zimhi), 0.01 mg
- J2315Injection, naltrexone, depot form, 1 mg
- J2320Injection, nandrolone decanoate, up to 50 mg
- J2323Injection, natalizumab, 1 mg
- J2325Injection, nesiritide, 0.1 mg
- J2326Injection, nusinersen, 0.1 mg
- J2327Injection, risankizumab-rzaa, intravenous, 1 mg
- J2329Injection, ublituximab-xiiy, 1mg
- J2350Injection, ocrelizumab, 1 mg
Common questions about J2311
Is HCPCS J2311 still valid?
- No. J2311 was terminated on 06/30/2025.
Does Medicare cover J2311?
- Its coverage code is "D": special Medicare coverage instructions apply. Check the local coverage determination for your region.