More than a decade after its enactment, tens of millions of people nationwide rely on coverage options created through the Affordable Care Act of 2010 (ACA). The law has survived multiple court challeges at the U.S. Supreme Court and repeated attempts by Republicans in Congress to repeal it. Subsequent legislation has scaled back some aspects of the law and expanded others, including by the COVID-19 relief bill, the American Response Plan Act of 2021. This page highlights relevant analysis about the ACA and proposed and enacted changes to it..

For information about ACA Marketplace Open Enrollment, including fact sheets and 300+ FAQs, visit our collection of resources on Understanding Health Insurance.

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August 24 Web Event: Health Care Inflation in the U.S.

As the 2022 mid-term elections approach, inflation and gas prices are on the top of voters’ minds. While health care prices have often risen faster than the rest of the economy, the prices for medical services are generally set in advance – often tied to the calendar year – creating…

The Biggest Health Care Reform in a Decade Could Lower Your Costs

Larry Levitt writes about the political and practical impact of the health care provisions in the Inflation Reduction Act  in The New York Times guest essay, “The Biggest Health Care Reform in a Decade Could Lower Your Costs.” 

Five Things to Know about the Renewal of Extra Affordable Care Act Subsidies in the Inflation Reduction Act

As part of the Inflation Reduction Act, the Senate recently passed a three-year extension (through 2025) of enhanced subsidies for people buying their own health coverage on the Affordable Care Act Marketplaces. The enhanced subsidies increase the amount of financial help available to those already eligible and also newly expand subsidies to middle-income people, many of whom were previously priced out of coverage. Here’s what to know about the likely renewal of these subsidies:

ACA’s Maximum Out-of-Pocket Limit Is Growing Faster Than Wages

This analysis finds that the ACA’s maximum out-of-pocket limit is likely to grow faster than wages and salaries, and is also expected to grow faster than the maximum out-of-pocket limit for Health Savings Account (HSA)-qualified health plans.

An Early Look at What is Driving Health Costs in 2023 ACA Markets

This analysis of marketplace insurers’ early rate filings in 13 states and the District of Columbia finds that they are seeking higher premium increases than in recent years, largely due to rising prices paid to hospitals, doctors and drug companies and increased use of services by enrollees.

Claims Denials and Appeals in ACA Marketplace Plans in 2020

This analysis of transparency data released by the Centers for Medicare and Medicaid Services (CMS) finds that 18% of in-network claims were denied by healthcare.gov marketplace insurers in 2020, with denial rates varying widely from less than 1% to more than 80%. Consumers appealed just over one-tenth of 1% of those denied claims.

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