Remark Code N598 on Your EOB — Meaning & What to Do

Remittance Advice Remark Code (RARC)

What remark code N598 means: The primary insurer's payment information is needed.
What to do about remark code N598: Provide the primary insurer's statement to the secondary payer.

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 N598.

Related codes

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Frequently asked questions about Remark code N598

What does remark code N598 mean on my EOB?

The primary insurer's payment information is needed.

What should I do about remark code N598?

Provide the primary insurer's statement to the secondary payer.

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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.