N347: Your claim for a referred or purchased service cannot be paid because payment has already been made for this same service
The payer's records show it already paid another provider for this same referred or purchased service, so it will not pay a second time on this claim. This is effectively a duplicate-payment denial tied to a referral arrangement.
Corrective actions
- 1
Identify who was already paid
Contact the payer to identify which provider or supplier already received payment for this service and date, since billing arrangements for purchased diagnostic tests can create confusion about who should submit the claim.
- 2
Resolve the billing arrangement and resubmit if appropriate
If your practice performed the service and the other payment was made in error to a referring party, work with the payer's provider relations to correct the record before resubmitting or appealing.
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Retrieved 2026-07-18.
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DenialPath provides billing and administrative guidance based on published CMS and X12 sources. It is not medical advice, not a coverage determination, and not a guarantee of payment. NCCI and MUE edits are republished quarterly and payer policies vary by contract. Always confirm against the payer's own current policy before submitting or appealing.