Remark Code M80 on Your EOB — Meaning & What to Do

Remittance Advice Remark Code (RARC)

What remark code M80 means: This service can't be paid on the same day as a related service.
What to do about remark code M80: A bundling note — usually not a separate charge.

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 M80.

Seeing remark code M80 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 M79The charge amount is missing, incomplete, or invalid. RARC M81A required diagnosis code is missing. RARC M77The place of service is missing, incomplete, or invalid. RARC M119The drug (NDC) code is missing, incomplete, or invalid.

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Frequently asked questions about Remark code M80

What does remark code M80 mean on my EOB?

This service can't be paid on the same day as a related service.

What should I do about remark code M80?

A bundling note — usually not a separate charge.

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.