HCPCS code J2310 — Inj naloxone hydrochloride. Status: Deleted. Effective Jul 1, 2025. Source: CMS HCPCS Level II.

J2310

Deleted

Inj naloxone hydrochloride

Injection, naloxone hydrochloride, per 1 mg

Code J2310 has been deleted from the HCPCS Level II set.

Termination date: Jun 30, 2025. Claims with a date of service on or after this day will be denied under this code.

No successor code has been identified. Consult the CMS HCPCS Update Summary for guidance.

Category: Drugs
Section: J-codes: Drugs Administered Other Than Oral Method
Effective: Jul 1, 2025
Terminated: Jun 30, 2025
Code type: alphanumeric
Drug class: Opioid Antagonists

Change History

Quarterly changes published by CMS. Revisions may affect the code description, coverage, or rate — review each quarter's changes before submitting claims.

  • New Code 2025-Q3
    Inj naloxone hydrochloride
  • Deleted 2025-Q2
    Inj naloxone hydrochloride