HCPCS Level II · Drugs administered other than oral method
J2312Injection, naloxone hydrochloride, not otherwise specified, 0.01 mg
✓ Active
Source: CMS HCPCS quarterly update, October 2026. Page updated September 29, 2026.
About J2312
J2312 is an HCPCS Level II code in the J series (drugs administered other than oral method), describing injection, naloxone hydrochloride, not otherwise specified, 0.01 mg.
It was added to HCPCS effective 07/01/2025.
Its Medicare coverage code is "D", meaning special Medicare coverage instructions apply.
Details
- Short description
- Inj naloxone hcl nos, 0.01mg
- Date added
- 07/01/2025
- Action effective
- 07/01/2025
- BETOS
- O1E
Related J23xx codes
- J2300Injection, nalbuphine hydrochloride, per 10 mg
- J2305Injection, nitroglycerin, 5 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
- J2351Injection, ocrelizumab, 1 mg and hyaluronidase-ocsq
Common questions about J2312
Is HCPCS J2312 still valid?
- Yes. J2312 is active in the CMS October 2026 HCPCS file.
Does Medicare cover J2312?
- Its coverage code is "D": special Medicare coverage instructions apply. Check the local coverage determination for your region.