HICN Claims Reject

There are 50 days until the end of the Medicare Beneficiary Identifier (MBI) transition period. Use the MBI on Medicare claims and other transactions now. Starting January 1, regardless of the date of service:

• CMS will reject claims submitted with Health Insurance Claim Numbers (HICNs) with a few exceptions 
• CMS will reject all eligibility transactions submitted with HICNs

See the MLN Matters Article to learn how to get and use MBIs.