Even if you don't have additional coverage, you still need to let us know in one of these ways.



Call our automated response line at 1-866-263-9494.


Mobile app

Report it through our mobile app.

App Store Google Play



Log in to your bcbsm.com account and you'll be guided through the Coordination of Benefits form.



If you are a Blue Cross Blue Shield of Michigan member, you can also mail or fax the Coordination of Benefits form (PDF)​ to us.