Remark Code M16 on Your EOB — Meaning & What to Do
Remittance Advice Remark Code (RARC)
What remark code M16 means: Refer to the payer's bulletin or notice for more details.
What to do about remark code M16: Ask the insurer for the specific policy referenced.
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 M16.
Related codes
RARC N657This should have been billed with a more specific code.
RARC M25The information doesn't support the need for this service.
RARC N640This charge exceeds the covered amount for the service.
RARC M38This service requires prior authorization that wasn't obtained.
Keep reviewing your bill
- Medical Bill vs EOB: What Is the Difference?
- How to Dispute a Medical Bill — Find Billing Errors Before You Pay
Frequently asked questions about Remark code M16
What does remark code M16 mean on my EOB?
Refer to the payer's bulletin or notice for more details.
What should I do about remark code M16?
Ask the insurer for the specific policy referenced.
Found this code on your bill or EOB?
Upload the document — MD Bill Check decodes every code, checks the math line by line, and explains what's worth questioning.