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HCPCS Level II · Drugs administered other than oral method

J2310Injection, naloxone hydrochloride, per 1 mg

Terminated 06/30/2025

Source: CMS HCPCS quarterly update, October 2026. Page updated September 29, 2026.

About J2310

J2310 is an HCPCS Level II code in the J series (drugs administered other than oral method), describing injection, naloxone hydrochloride, per 1 mg.

It was added to HCPCS effective 01/01/1996, 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 hydrochloride
Date added
01/01/1996
Action effective
07/01/2025
Termination date
06/30/2025
BETOS
O1E

Related J23xx codes

Common questions about J2310

Is HCPCS J2310 still valid?

No. J2310 was terminated on 06/30/2025.

Does Medicare cover J2310?

Its coverage code is "D": special Medicare coverage instructions apply. Check the local coverage determination for your region.