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Impact of Eliminating Medicaid Expansion Federal Match: KFF Analysis

Introduction

 

Medicaid expansion has been a cornerstone of healthcare access for millions of low-income Americans since the Affordable Care Act (ACA) was enacted. However, recent discussions about eliminating the enhanced federal match for Medicaid expansion have raised concerns about the potential consequences for states and their residents. A recent analysis by the Kaiser Family Foundation (KFF) provides a detailed look at how such a policy change could affect each state. In this blog post, we’ll break down the key findings and explore what losing the federal match could mean for healthcare access, state budgets, and vulnerable populations.

 

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What Is the Medicaid Expansion Federal Match?

 

To fully understand the implications of eliminating the Medicaid expansion federal match, it’s important to first break down what it is and how it works.

 

 

Medicaid Expansion Under the ACA

 

The Affordable Care Act (ACA), passed in 2010, allowed states to expand Medicaid eligibility to cover nearly all low-income adults with incomes up to 138% of the federal poverty level (FPL). This expansion aimed to close the coverage gap for millions of uninsured Americans who earned too much to qualify for traditional Medicaid but too little to afford private insurance.

 

 

The Federal Medical Assistance Percentage (FMAP)

 

Medicaid is a joint federal-state program, meaning both the federal government and states share the costs. The Federal Medical Assistance Percentage (FMAP) determines the share of Medicaid costs the federal government will cover for each state. The base FMAP varies by state, depending on factors like per capita income, but it typically ranges from 50% to 75%.

 

 

The Enhanced Federal Match for Medicaid Expansion

 

To incentivize states to expand Medicaid, the ACA offered a significantly higher federal matching rate for the expansion population. Initially, the federal government covered 100% of the costs for newly eligible enrollees from 2014 to 2016. This rate gradually decreased but remains at 90% as of 2024, meaning the federal government covers 90% of the costs for the expansion population, while states pay only 10%.

 

 

Why the Enhanced Match Matters

 

The enhanced federal match has been a critical factor in encouraging states to adopt Medicaid expansion. It reduces the financial burden on states, making it more feasible for them to extend coverage to low-income adults. As of now, 40 states and Washington, D.C., have adopted Medicaid expansion, covering over 21 million people.

 

 

 

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Key Takeaways from the KFF Analysis

 

  1. The Enhanced Federal Match Explained:
    Under the ACA, states that expanded Medicaid receive a higher federal matching rate (FMAP) for their expansion populations—currently set at 90%. This means the federal government covers 90% of the costs, while states pay only 10%. Eliminating this enhanced match would force states to shoulder a much larger share of the financial burden.
  2. State-by-State Financial Impact:
    The KFF report estimates the potential financial impact on each state if the enhanced match were eliminated. For example:

    • States like California and New York, with large Medicaid expansion populations, could face billions in additional costs annually.
    • Smaller states, such as Arkansas or West Virginia, would also see significant budgetary strain, potentially forcing cuts to other critical services.
  3. Healthcare Access at Risk:
    Without the enhanced federal match, many states might reconsider their commitment to Medicaid expansion. This could lead to:

    • Millions of low-income adults losing coverage.
    • Reduced access to preventive care, chronic disease management, and mental health services.
    • Increased uncompensated care costs for hospitals, particularly in rural areas.
  4. Economic Ripple Effects:
    Medicaid expansion has not only improved health outcomes but also boosted state economies by creating jobs and increasing federal funding. Eliminating the enhanced match could reverse these gains, leading to:

    • Job losses in the healthcare sector.
    • Reduced economic activity in states heavily reliant on federal Medicaid dollars.

 

 

What’s at Stake for Vulnerable Populations?

 

Medicaid expansion has been particularly beneficial for vulnerable groups, including low-income adults, people with disabilities, and those in rural communities. Losing the enhanced federal match could disproportionately affect these populations, exacerbating health disparities and leaving many without access to essential care.

 

 

Conclusion

 

The potential elimination of the Medicaid expansion federal match poses significant challenges for states and their residents. While the debate over healthcare funding continues, it’s crucial to consider the real-world implications of such a policy change. The KFF analysis serves as a stark reminder of the importance of preserving Medicaid expansion and the federal support that makes it possible. As policymakers weigh their options, the health and well-being of millions hang in the balance.

 

 

 

 

References:

Williams, E., Rudowitz, R., Euhus, R., & Burns, A. (2025, February 13). Eliminating the Medicaid Expansion Federal Match Rate: State-by-State Estimates | KFF. KFF. https://www.kff.org/medicaid/issue-brief/eliminating-the-medicaid-expansion-federal-match-rate-state-by-state-estimates/