The insurer cannot match the patient on this claim to an active member in their system. This is usually a data entry error.
Verify the member ID, date of birth, and name on the claim match exactly what is on your insurance card. Ask your provider to correct and resubmit with accurate member information.
Appeal outlook: Very high when corrected
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Bill Advantage can analyze your denial and generate a ready-to-send appeal or dispute letter in minutes.
Open Denial Letter TranslatorDenial codes on your EOB explain why a claim was denied. Learn what the most common codes mean in 2026 and the exact steps to fix or appeal each one.
Read articleWhat to Do When Insurance Denies a ClaimInsurance denied your claim? Learn the exact steps to appeal a health insurance denial in 2026, from reading the denial letter to external independent review.
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