Medicare Glossary

Definitions for common Medicare terms

patient protection and affordable care act (PPACA)

DEFINITION: The Patient Protection and Affordable Care Act (PPACA) – also known as the Affordable Care Act (ACA) – is the landmark health reform legislation  signed into law by President Barack Obama in 2010. The legislation includes health-related provisions that began taking effect in 2010 and  “continued to be rolled out over the next four years.” Key provisions will extend coverage to millions of uninsured Americans, implement measures that will lower health care costs and improve system efficiency, and eliminate industry practices that include rescission and denial of coverage due to pre-existing conditions.