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HCPCS Level II
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J1834

J1834

Injection, isoniazid, 1 mg

The HCPCS code for injection, isoniazid, 1 mg is J1834.

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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