Quick answer: Michigan is a bifurcated state. Some disputes are governed by Michigan's own specified state law, while others default to the federal No Surprises Act IDR process depending on the plan type and service involved.
Michigan's specified state law applies to pre- and post-stabilization emergency services and non-emergency services by out-of-network providers at in-network facilities, for providers licensed in Michigan (excluding dentists and nurse aids, who default to federal). The federal IDR process fills in those excluded categories plus air ambulance services.
Federal No Surprises Act protections took effect January 1, 2022. State-specific protections vary — check the official source below for exact effective dates in this state.
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