Article Detail - JE Part A
CWF Errors Leading to Claim Denials Related to Medicare Advantage (MA) Plan Enrollment
Provider/Supplier Type(s) Impacted: Not applicable
Reason Codes: Part A - CWF EC 5233 and Part B/DME - CWF EC 5232 Denial
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: Part A and Part B: CARC 24, DME: CARC 109, RARC N418
Noridian Action Required: Noridian will provide updates as they are available.
Provider/Supplier Action Required: No action is currently required from the providers/suppliers.
Proposed Resolution/Solution: Upon notification from the CWF Host that the issue has been resolved, Noridian will provide additional direction.
Date Reported: 11/14/25
Date Resolved: Not applicable
