Activation of New Coordination of Benefits Agreement (COBA) Trading Partner Dispute Error Code Within the National Crossover Process – JA6640
Guidance for a new Coordination of Benefits Agreement (COBA) trading partner, dispute error code (000400) that the COB contractor (COBC) will return to Medicare contractors when certain claims are not accepted by supplemental payers.
Final
Issued by: Centers for Medicare & Medicaid Services (CMS)
Issue Date: October 26, 2009
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