Remark Code MA04 on Your EOB — Meaning & What to Do
Remittance Advice Remark Code (RARC)
What remark code MA04 means: Secondary insurance info was missing or incomplete, so it couldn't be processed.
What to do about remark code MA04: Provide your secondary insurance details to the provider.
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 MA04.
Related codes
RARC N130XCoverage or benefit details apply — review your plan.
RARC M76The diagnosis information was missing or incomplete.
RARC N30The patient wasn't eligible for this service under the plan at that time.
RARC M15Separately billed services are included in the main service's payment.
Keep reviewing your bill
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- How to Dispute a Medical Bill — Find Billing Errors Before You Pay
Frequently asked questions about Remark code MA04
What does remark code MA04 mean on my EOB?
Secondary insurance info was missing or incomplete, so it couldn't be processed.
What should I do about remark code MA04?
Provide your secondary insurance details to the provider.
Found this code on your bill or EOB?
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