N522 Denial Code
This duplicates a claim that is already crossing over from another payer.
A remark code sits beside the adjustment code on the remit and says why the claim was reduced.
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A Remark Code Is Not the Denial
The adjustment code says the claim was reduced. This one says why. You need both to know what to send back.
What to Do
Do not resubmit. The crossover is already in flight and resubmitting creates a second duplicate. Check the primary payer's remittance for the crossover date and wait for it.
Code meanings verified against x12.org/codes/remittance-advice-remark-codes. The wording, the pairing and the recommended action are ours, not the payer's.
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Your Questions Answered
What does denial code N522 mean?
This duplicates a claim that is already crossing over from another payer.
What should I do about N522?
Do not resubmit. The crossover is already in flight and resubmitting creates a second duplicate. Check the primary payer's remittance for the crossover date and wait for it.
Which denial codes appear with N522?
N522 commonly rides with OA 18, OA 22. The adjustment code says the claim was reduced; the remark code says why.
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