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Opting Out of the Medicaid Expansion under the ACA: How Many Uninsured Adults Would not Be Eligible for Medicaid?
by Genevieve M. Kenney, Lisa Dubay, Stephen Zuckerman, and Michael Huntress
The Supreme Court’s ruling on the Affordable Care Act (ACA) put the decision to expand Medicaid coverage to non-elderly adults with incomes below 138 percent of the federal poverty level (FPL) in the hands of the states. Before the ACA, most non-disabled adults with incomes below this level were not eligible for Medicaid; few states covered nondisabled parents up to this income level, and even fewer states covered nondisabled adults without dependent children in Medicaid.