Remark Code N517 on Your EOB — Meaning & What to Do

Remittance Advice Remark Code (RARC)

What remark code N517 means: A resubmission is required with corrected information.
What to do about remark code N517: Ask the provider's billing office to explain or correct this, and resubmit if needed.

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 N517.

Seeing remark code N517 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 N425This is a statutorily excluded service (not covered by law). RARC N575The name on the claim doesn't match the insurer's records. RARC MA130The claim has a missing or invalid field and can't be processed as is. RARC N700A required modifier for this service is missing.

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Frequently asked questions about Remark code N517

What does remark code N517 mean on my EOB?

A resubmission is required with corrected information.

What should I do about remark code N517?

Ask the provider's billing office to explain or correct this, and resubmit if needed.

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.