Remark Code M39 on Your EOB — Meaning & What to Do
Remittance Advice Remark Code (RARC)
What remark code M39 means: This service isn't covered because it's considered routine.
What to do about remark code M39: Check whether it should be billed as preventive.
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 M39.
Seeing remark code M39 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.
Related codes
RARC M38This service requires prior authorization that wasn't obtained.
RARC M51The procedure code is missing, incomplete, or invalid.
RARC M25The information doesn't support the need for this service.
RARC M77The place of service is missing, incomplete, or invalid.
Keep reviewing your bill
- Medical Bill vs EOB: What Is the Difference?
- How to Dispute a Medical Bill — Find Billing Errors Before You Pay
- What Is an Itemized Medical Bill? How to Request One
Frequently asked questions about Remark code M39
What does remark code M39 mean on my EOB?
This service isn't covered because it's considered routine.
What should I do about remark code M39?
Check whether it should be billed as preventive.
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.