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HCPCS Level II
J
J2310

J2310

Injection, naloxone hydrochloride, per 1 mg

The HCPCS code for injection, naloxone hydrochloride, per 1 mg is J2310.

Source: official CMS Alpha-Numeric HCPCS file (Level II only). Informational only — verify against current CMS/payer sources before use in billing.

Data current as of FY2026 CMS/NCHS release. Not affiliated with or endorsed by CMS, HHS, or NCHS.

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