The HCPCS code J3475 is used for magnesium sulfate injection, per 500 mg. This code is typically billed when magnesium sulfate is administered intravenously for conditions such as hypomagnesemia, arrhythmias, or preeclampsia.

HCPCS Code J3475: Injection, Magnesium Sulfate, Per 500 mg
Learn about the HCPCS code J3475 for injection, magnesium sulfate, per 500 mg through this short guide.
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Frequently asked questions
The HCPCS code for magnesium sulfate injection is J3475, which covers each 500 mg dose administered. It is commonly used in hospital and clinical settings for electrolyte replacement, seizure prevention in preeclampsia/eclampsia, and cardiac stabilization.
The HCPCS code for ceftriaxone sodium injection, per 250 mg is J0696. Therefore, a 500 mg solution for injection would be billed under J0696, reflecting two billing units (since each unit accounts for 250 mg).
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