J2312 – Injection, naloxone hydrochloride, not otherwise specified, 0.01 mg
HCPCS Level II code · J codes: Drugs Administered Other Than Oral Method
HCPCS codeJ2312
- Long description
- Injection, naloxone hydrochloride, not otherwise specified, 0.01 mg
- Short description
- Inj naloxone hcl nos, 0.01mg
- Pricing indicator
51Drugs- Medicare coverage
DSpecial coverage instructions apply- BETOS category
O1EOther drugs- Added
- July 1, 2025
- Last change
- July 1, 2025 – No change
Frequently asked questions
What is HCPCS code J2312?
J2312 is a HCPCS Level II code for injection, naloxone hydrochloride, not otherwise specified, 0.01 mg.
Does Medicare cover J2312?
The HCPCS file lists coverage code D: Special coverage instructions apply. Coverage and payment also depend on local coverage determinations and the patient’s plan.
Nearby J codes
- J2280 – Injection, moxifloxacin, 100 mg
- J2281 – Injection, moxifloxacin (fresenius kabi), not therapeutically equivalent to j2280, 100 mg
- J2290 – Injection, nafcillin sodium, 20 mg
- J2291 – Injection, nafcillin sodium (baxter), 20 mg
- J2300 – Injection, nalbuphine hydrochloride, per 10 mg
- J2305 – Injection, nitroglycerin, 5 mg
- J2310 – Injection, naloxone hydrochloride, per 1 mg
- J2311 – Injection, naloxone hydrochloride (zimhi), 1 mg
- J2313 – Injection, naloxone hydrochloride (zimhi), 0.01 mg
- J2315 – Injection, naltrexone, depot form, 1 mg
- J2320 – Injection, nandrolone decanoate, up to 50 mg
- J2323 – Injection, natalizumab, 1 mg
- J2325 – Injection, nesiritide, 0.1 mg
- J2326 – Injection, nusinersen, 0.1 mg
- J2327 – Injection, risankizumab-rzaa, intravenous, 1 mg
- J2329 – Injection, ublituximab-xiiy, 1mg
Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.