Remark Code N425 on Your EOB — Meaning & What to Do

Remittance Advice Remark Code (RARC)

What remark code N425 means: This is a statutorily excluded service (not covered by law).
What to do about remark code N425: Ask whether an alternative covered service exists.

Remark codes add detail to a claim decision. They appear alongside the main adjustment codes on your Explanation of Benefits or remittance notice, giving the specific reason behind remark code N425.

Seeing remark code N425 on your EOB?
A denial code tells you what the payer reported, but it may not tell the whole story. Reviewing your EOB and bill together can help clarify what may need attention.

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Related codes

RARC MA130The claim has a missing or invalid field and can't be processed as is. RARC N517A resubmission is required with corrected information. RARC MA27Your Medicare ID number is missing, incomplete, or invalid. RARC N575The name on the claim doesn't match the insurer's records.

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Frequently asked questions about Remark code N425

What does remark code N425 mean on my EOB?

This is a statutorily excluded service (not covered by law).

What should I do about remark code N425?

Ask whether an alternative covered service exists.

Seeing this code on your own EOB?
Upload the EOB, the bill, or both — MD Bill Check reads the codes on your documents, compares them side by side, and flags what's worth questioning. Free, no account needed.

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Last reviewed 2026-07-07 · MDBillCheck Editorial Team. Plain-English explanations are original wording; always verify the specific reason with your insurer.