Incorrect Rejections for Medicare Secondary Payer (MSP) Claims

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.

Provider/Supplier Action Required: None

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

Date Reported: 04/21/25

Date Resolved:

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