Contract negotiations between Michigan Medicine and Blue Cross Blue Shield of Michigan have reached a standstill, threatening in-network coverage for BCBS members. While no hard deadline is specified in the current signal, the public dispute indicates a high risk of network disruption. This affects one of the state's largest health systems and its affiliated providers. Billing managers with patients receiving specialty or tertiary care at Michigan Medicine should monitor this situation closely. Prepare workflows to verify patient benefits and communicate potential network changes. The outcome will set a precedent for other BCBS contracts in the region.