EDI software
Medicare Part A DDE user guide manual
View this manual for assistance with the DDE application through the Fiscal Intermediary Standard System (FISS). This manual does not include billing information. DDE is available from 7 a.m. – 7 p.m…
Update to CARC and RARC codes for use with MREP 4.6
An updated remittance advice remark code (RARC) and claim adjustment reason code (CARC) “Codes.ini” file is now available for download.
Direct data entry (DDE) password reset instructions
Tips for creating and resetting your DDE password.
Zixcorp secure mail for Part A FISS DDE enrollment correspondence
Details regarding the secure email communications received during the DDE enrollment process.
Getting started with direct data entry (DDE)
DDE is designed for Medicare Part A providers. DDE will allow you to perform the following functions; claim entry, claim correction, claim status, claim adjustments, and inquiries.