Remark Code M15 on Your EOB — Meaning & What to Do

Remittance Advice Remark Code (RARC)

What remark code M15 means: Separately billed services are included in the main service's payment.
What to do about remark code M15: Ask why these were billed separately if they're normally bundled.

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 M15.

Seeing remark code M15 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.

Check My EOB

Related codes

RARC M76The diagnosis information was missing or incomplete. RARC N522This is a duplicate of a service already submitted. RARC MA04Secondary insurance info was missing or incomplete, so it couldn't be processed. RARC N479The Explanation of Benefits from the primary insurer is missing.

Keep reviewing your bill

Frequently asked questions about Remark code M15

What does remark code M15 mean on my EOB?

Separately billed services are included in the main service's payment.

What should I do about remark code M15?

Ask why these were billed separately if they're normally bundled.

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.

Check My Bill & EOB

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