The Health Reform Law’s Medicaid Expansion: A Guide to the Supreme Court Arguments
One significant element of the pending U.S. Supreme Court case challenging the Affordable Care Act is the constitutionality of the law's Medicaid expansion.
The independent source for health policy research, polling, and news.
KFF’s policy research provides facts and analysis on a wide range of policy issues and public programs.
KFF designs, conducts and analyzes original public opinion and survey research on Americans’ attitudes, knowledge, and experiences with the health care system to help amplify the public’s voice in major national debates.
KFF Health News is a national newsroom that produces in-depth journalism about health issues and is one of the organization’s core operating programs.
One significant element of the pending U.S. Supreme Court case challenging the Affordable Care Act is the constitutionality of the law's Medicaid expansion.
The annual 50-state survey of Medicaid and CHIP eligibility rules, enrollment and renewal procedures and cost-sharing practices, conducted by the Kaiser Commission on Medicaid and the Uninsured with the Georgetown University Center for Children and Families, found that, despite continued fiscal pressures on states, eligibility policies remained stable in nearly all state Medicaid and Children's…
Medicaid is a jointly financed partnership between the federal government and states. The federal-state financing and administrative structure of Medicaid provides a framework of federal core requirements along with broad state options for program design and administration.
The annual 50-state survey of enrollment and eligibility policies in Medicaid and SCHIP for low-income families reveals that 20 states are taking actions to simplify procedures and requirements for beneficiaries and, in some cases, expand eligibility.
The annual 50-state survey of Medicaid and CHIP eligibility rules, enrollment and renewal procedures and cost sharing practices, conducted by the Kaiser Commission on Medicaid and the Uninsured with the Georgetown University Center for Children and Families, found that, in 2010, coverage in Medicaid and the Children's Health Insurance Program remained strong with some improvements,…
The health reform law provides for a national expansion of Medicaid in 2014 that will extend eligibility to millions more low-income people, primarily uninsured adults. It also requires implementation of a coordinated system for determining eligibility for Medicaid and subsidized coverage in the new health insurance exchanges.
Since 2000, KFF's Program on Medicaid and the Uninsured has issued regular updates examining changes and trends in the eligibility rules, enrollment and renewal procedures and cost-sharing practices in Medicaid and CHIP. Those reports are compiled here.
The Medicaid program is a major payer for long-term services and supports (LTSS) in the United States, accounting for 40 percent of total spending for long-term services and supports.
As Congress looks for ways to increase access to health care, existing programs such as Medicaid and the Children's Health Insurance Program are often overlooked. Yet enrolling those who are eligible for such programs is one of the easiest ways to expand coverage.
This brief examines Medicaid's medically needy program, which gives states the option to extend Medicaid eligibility to those with high medical expenses whose income exceeds the maximum threshold, but who would otherwise qualify.
© 2026 KFF