J2312 HCPCS Level II code: Injection, naloxone hydrochloride, not otherwise specified, 0.01 mg
J2312 is the HCPCS code for “Injection, naloxone hydrochloride, not otherwise specified, 0.01 mg” in CMS’s October 2026 release, in effect from Oct 1, 2026.
Official description
J2312Injection, naloxone hydrochloride, not otherwise specified, 0.01 mg
Short description: Inj naloxone hcl nos, 0.01mg
HCPCS · United States
Medicare details
The indicators CMS publishes with J2312 in its October 2026 file. They describe Medicare’s handling, not another payer’s.
- Medicare coverage
- Special coverage instructions apply
- Medicare pricing
- Drugs
- Type of service
- Medical care; Lump sum purchase of DME, prosthetics, orthotics
- BETOS category
- Other drugs
- Added
- Jul 1, 2025
Where J2312 sits
- 1J codesDrugs administered other than orally
- 2Active code J2312Injection, naloxone hydrochloride, not otherwise specified, 0.01 mg
Source and release
- Data release
- HCPCS Level II · October 2026
- Effective date
- Oct 1, 2026
- Publisher
- CMS
This page is built from the HCPCS Level II catalog that Vero Codes reads when it suggests codes: Centers for Medicare & Medicaid Services’s October 2026 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.
Frequently asked questions
What does HCPCS code J2312 mean?
J2312 is the HCPCS code for “Injection, naloxone hydrochloride, not otherwise specified, 0.01 mg” in CMS’s HCPCS Level II October 2026 release.
Does Medicare cover J2312?
CMS lists J2312’s Medicare coverage as “Special coverage instructions apply” and its pricing as “Drugs”. Coverage and payment still depend on the patient, the setting, the documentation and the payer.
Which HCPCS Level II release does this page use?
It uses CMS’s October 2026 release, in effect from Oct 1, 2026 to Dec 31, 2026. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.
Codes beside J2312
All J codesJ2290Injection, nafcillin sodium, 20 mgJ2291Injection, nafcillin sodium (baxter), 20 mgJ2300Injection, nalbuphine hydrochloride, per 10 mgJ2305Injection, nitroglycerin, 5 mgJ2310Injection, naloxone hydrochloride, per 1 mgJ2311Injection, naloxone hydrochloride (zimhi), 1 mgJ2313Injection, naloxone hydrochloride (zimhi), 0.01 mgJ2315Injection, naltrexone, depot form, 1 mgJ2320Injection, nandrolone decanoate, up to 50 mgJ2323Injection, natalizumab, 1 mgJ2325Injection, nesiritide, 0.1 mgJ2326Injection, nusinersen, 0.1 mg