Supporters of the Affordable Care Act hold up signs as the opinion for health care is reported outside of the Supreme Court in Washington, Thursday June 25, 2015. The Supreme Court on Thursday upheld the nationwide tax subsidies under President Barack Obama's health care overhaul, in a ruling that preserves health insurance for millions of Americans. The justices said in a 6-3 ruling that the subsidies that 8.7 million people currently receive to make insurance affordable do not depend on where they live, under the 2010 health care law. (AP Photo/Jacquelyn Martin)

Obamacare has been saved yet again by the Supreme Court.

The Supreme Court ruled 6-3 Thursday that the subsidies under the Patient Protection and Affordable Care Act will stay.

The ruling upholds a major tenet of the health care law enabling millions of Americans to keep the tax subsidies that help them buy and afford health coverage under the law.

Chief Justice John Roberts wrote the court’s majority opinion and was joined by Justices Anthony Kennedy, Ruth Bader Ginsburg, Stephen Breyer, Sonia Sotomayor and Elena Kagan.

Should the Court have struck down the subsidies, it would have had disastrous effects for the health care market and the health reform law. An estimated 6.4 million Americans receive the subsidies in the 34 states that don’t have their own exchanges. Reports had suggested millions would lose coverage and millions more would suffer from exploding premiums had the government lost in King v. Burwell.

The case ultimately hinged on just four words — “established by the state” — as it called into question the legality of federal exchanges. While PPACA challengers said that phrase limits the tax credits to the 16 states that have set up their own exchanges, the Obama administration repeatedly defended an IRS rule that interpreted the law as allowing subsidies nationwide.

The Obama administration also did not have a backup plan had the subsidies been gutted.

Ultimately, this was the decision most had hoped for: Poll after poll had found that the public backed the subsidies and wanted the court to uphold all the law’s subsidies, regardless of if they supported PPACA in general.

Praise for the decision came in fast this morning.

“Today’s decision by the Supreme Court assures those consumers that the promise of affordable health coverage will still be there for them,” Anne Filipic, president of Enroll America, said in a statement. ”Right now, our priority is to make sure consumers know what this ruling means: that nothing has changed about their financial help. And this is a critical opportunity to inform those who have not yet enrolled that financial help is available, and here to stay. Opponents have repeatedly attempted to derail this law, but in spite of that opposition, it is working and millions of Americans are benefiting.”

“This decision means the health insurance marketplace will continue to operate as it is currently constituted. It will be business as usual” said National Executive Vice President & CEO Mike Becker of the National Association of Professional Insurance Agents (PIA). “As always, PIA will remain in the forefront of advocacy on behalf of PIA members, who remain fully committed to providing their clients with professional advice and choices regarding their health insurance needs.”

This story will be updated.