Incorrect Rejections for Medicare Secondary Payer (MSP) Claims - Resolved 06/18/25

Provider/Supplier Type(s) Impacted: All providers

Reason Codes: Not applicable

Claim Coding Impact: Medicare Secondary Payer (MSP) Claims

Description of Issue: An issue has been identified resulting in incorrect MSP rejections related to submission errors. The claims were rejected with CARC 16, "Claim/service lacks information or has submission/billing error(s)"; RARC N245, "Incomplete/invalid plan information for other insurance" and N704, "You may not appeal this decision but can resubmit this claim/service with corrected information if warranted". The issue impacted claims processed within our system from 4/7/25 through 4/21/25.

Noridian Action Required: The system was updated on 4/22/25 so claims received on or after 4/22/25 are not impacted.

05/12/25 - The system update on 04/22/25 did not resolve the issue. Claims are being held until the issue is resolved.

05/29/25 - An additional system update is expected on 06/09/25. Noridian will validate the update works as expected prior to releasing the held claims.

06/16/25 - The system was updated on 06/09/25 and all previously held claims have been released. For guidance on how to properly resubmit any denied claims, please visit New process for MSP claims rejected with CARC 16

Provider/Supplier Action Required: None

Proposed Resolution/Solution: Noridian will conduct a mass adjustment for claims rejected in error.

05/12/25 - Noridian will provide an update when the mass adjustments are initiated.

05/29/25 - Noridian will provide an update when the mass adjustments are initiated.

06/16/25 - Noridian will provide additional updates when the mass adjustments are initiated.

06/18/25 - Noridian initiated mass adjustments on 06/17/25.

Date Reported: 04/21/25

Date Resolved: 06/18/25

Last Updated Jun 18 , 2025