Name of Manual - Blue Cross and Blue Shield of Minnesota

Coordination of Benefits (COB)
Claims Filing
Overview Third-party payers rely on Coordination of Benefits (COB) to
eliminate duplicate payments when a patient has more than one
coverage for health services. Please complete the information
under ‘‘other coverage’’ on claims for your Blue Cross patients.
List the names of any other carriers and the member’s ID number,
if possible. We determine which carrier is primary payer and
ensure that duplicate payments are not made for the same services.
Primacy Determination We follow the National Association of Insurance Commissioners
(NAIC) rules to identify the primary insurance carrier.
Blue Cross and Blue Shield of Minnesota Provider Policy and Procedure Manual (05/10/12) 8-39