Claims processing codes - Find definitions of reason and remark codes

There could be several reasons why your claim was denied or otherwise did not process successfully. To identify claims processing codes and their definitions, please refer to the following resources:

Part A -- Reason code lookup

Claim Adjustment Reason Codes

Remittance Advice Remark Codes

Billing Medicare correctly the first time saves everyone time and money. Find tips on how to avoid denials and claims returned as unprocessable (RUCs) by visiting First Coast’s claims submission guidelines and inquiries and denials pages to review the most common inquiries received by the provider contact center.