Latest updates: Claims
Special Edition: MLN Connects for November 21, 2025
View this special edition update on processing of Medicare claims impacted during the government shutdown as well as the 2026 ESRD PPS final rule.
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.
Tips to prevent reason code 326x4
Review this article if your claim is returning for reason code 326x4.