The stakes in the Halbig case are a "big deal," since government statistics show that 94% of those using the federally run exchanges had a subsidized premium, Michael Morrisey, PhD, director of the Lister Hill Center for Health Policy at the University of Alabama at Birmingham, told MedPage Today in an email. "The absence of subsidies in the 26 federal-default states would lead to substantial reductions in purchased coverage in those states."