Even if you don't have additional coverage, you still need to let us know in one of these ways.
Phone
Call our automated response line at 1-866-263-9494.
Mobile app
Report it through our mobile app.
Online
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.