PPACA (Patient Protection and Affordable Care Act): the federal health reform statute signed into law by President Barack Obama on March 23, 2010. Key components include individual and employer mandates for health coverage, the expansion of Medicaid, insurance reform, expansion of the Federally Qualified Health Center program, reductions in Medicare spending (generally, through payment reductions), prevention and wellness provisions, new requirements for tax-exempt hospitals, delivery system and payment innovations, and quality improvement requirements.