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COBA Trading Partners What's New

Guidance for notifications, highlights, and new information regarding upcoming changes for COBA Trading Partners.

Issued by: Centers for Medicare & Medicaid Services (CMS)

Issue Date: September 08, 2020

This page is used to post notifications and highlight new information regarding upcoming changes for COBA Trading Partners.

October 22, 2024 – 2025 COBA Crossover Fees 

The standard per claim rate for eligibility file-based and Medigap claim based (or mandatory Medigap) crossover processes will remain at $0.31 per claim for 2025. The Crossover Fees document has been updated to reflect this and can be found in the download section of the Coordination of Benefits Agreement page. 

October 9, 2024 - Updated COBA Trading Partners Customer Service Contact List Now Available

The updated COBA Trading Partners Customer Service Contact list has been added to the Download section of the Coordination of Benefits Agreement page.

October 7, 2024– Updated COBA Implementation User Guide is Now Available 

The COBA Implementation User Guide version 7.4 is now available in the Downloads section of the Coordination of Benefits Agreement page. Please refer to Chapter 1 for a summary of changes. 

 

 

 

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DISCLAIMER: The contents of this database lack the force and effect of law, except as authorized by law (including Medicare Advantage Rate Announcements and Advance Notices) or as specifically incorporated into a contract. The Department may not cite, use, or rely on any guidance that is not posted on the guidance repository, except to establish historical facts.