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Interpreting Rejection Error Codes

For Medicare Submitters

EDISS provides a valuable tool for decoding and interpreting errors incurred in the processing claim files. The EDISS website,, houses both the Professional and Institutional edit spreadsheets, which can be used to research rejection error codes. The edit spreadsheets are designed to interpret errors listed on acknowledgement reports; they do NOT provide information on denial error codes received on remittance advice.

To access the edit spreadsheets, choose the appropriate state from the main EDISS page, then click on either the 837P Edit Spreadsheet or the 837I Edit Spreadsheet located under the Quick Links.

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February 2, 2021