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First Coast Service Options Inc.
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Coordination of benefits (COB)

Providers who receive error codes H20203 and H45255 need to balance bill
Modified: 5/4/2012
Providers who receive rejection codes H20203 and/or H45255 will need to balance bill their patients’ supplemental payers for any balances left after Medicare. [PERL 201205-08]
COBA Medigap Claim-Based ID Listingexternal pdf file
Modified: 4/2/2012
Medigap claim-based COBA IDs to be used on incoming claims as of November 1, 2010. [CR 5662]
Coordination of Benefits Agreement (COBA)external link
Modified: 10/17/2011
Coordination of Benefits Agreement (COBA) page on the CMS website.
Coordination of Benefits (COB)external link
Modified: 4/12/2010
General COB information on CMS.gov.
First Coast Service Options (FCSO) strives to ensure that the information available on our provider website is accurate, detailed, and current. Therefore, this is a dynamic site and its content changes daily. It is best to access the site to ensure you have the most current information rather than printing articles or forms that may become obsolete without notice.