Remark Code N56 on Your EOB — Meaning & What to Do
Remittance Advice Remark Code (RARC)
What remark code N56 means: The procedure code billed was not correct for the service described.
What to do about remark code N56: Ask the provider's billing office to explain or correct this, and resubmit if needed.
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 N56.
Related codes
RARC N19A dependent procedure code was billed without its required primary code.
RARC N65The procedure or service isn't payable in this place of service.
RARC N4Missing or incomplete information about other insurance is holding up the claim.
RARC N88This service is included in the payment for the main procedure.
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 N56
What does remark code N56 mean on my EOB?
The procedure code billed was not correct for the service described.
What should I do about remark code N56?
Ask the provider's billing office to explain or correct this, and resubmit if needed.
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.