New process for MSP claims rejected with CARC 16

Claims that have been rejected with CARC 16, Claim/service lacks information or has submission/billing error(s)

RARC N245, Incomplete/invalid plan information for other insurance,
RARC N305, Missing/incomplete/invalid injury/accident date, and
RARC N704, You may not appeal this decision but can resubmit this claim/service with corrected information if warranted.

CARC 16 may not be appealed through paper correspondence submitted by mail or fax, or electronically through the portal due to the unprocessable status.

Providers must submit a new claim with corrected information, per RARC.

Last Updated May 30 , 2025