CWF Errors Leading to Claim Denials Related to Medicare Advantage (MA) Plan Enrollment - Resolved 12/12/2025

Provider/Supplier Type(s) Impacted: Not applicable

Reason Codes: CWF EC 5232

Claim Coding Impact: Not applicable.

Description of Issue: A discrepancy has been identified since the end of September 2025, between HETS and the claims processing systems, leading to claim denials related to Medicare Advantage (MA) plan enrollment. For the CARC/RARC messages related to this issue are: CARC 24.

Noridian Action Required: Noridian will provide updates as they are available.

12/12/25 - Noridian initiated mass adjustments to reprocess the claims.

Provider/Supplier Action Required: No action is currently required from the providers/suppliers.

12/12/25 - No provider action is needed to correct the claims. Providers should follow the regular process for paying any overpayments on the claims that denied in error.

Proposed Resolution/Solution: Upon notification from the CWF Host that the issue has been resolved, Noridian will provide additional direction.

12/12/25 - Noridian initiated mass adjustments to reprocess the claims.

Date Reported: 11/14/25

Date Resolved: 12/12/25

Last Updated Dec 19 , 2025