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Coordination of Benefits

Coordination of Benefits Agreement (COBA)external link
Last Modified: 9/20/2008
Coordination of Benefits Agreement (COBA) page on the CMS Web site.
Coordination of Benefits (COB)external link
Last Modified: 9/7/2008
General COB information on CMS.HHS.gov.
COBA Medigap Claim-Based ID Listingexternal link to pdf
Last Modified: 7/12/2007
Medigap Claim-bases COBA IDs To Be Used on Incoming Claims As Of October 1, 2007 [CR 5662]
Medigap Crossover Transition Announcementpdf file
Last Modified: 6/27/2007
Medigap claim-based crossover moves to a consolidated, standardized process [CR 5662]
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