The Trump administration told a federal court late Monday that it would ask judges to toss out the entire Affordable Care Act, a decision that cast further uncertainty over the future of a federal law that has extended health insurance to millions of Americans. 

Justice Department attorneys said in a letter filed with the U.S. Court of Appeals for the Fifth Circuit in New Orleans that a lower court's ruling the the health law is unconstitutional  "should be affirmed" and that the "United States is not urging that any portion of the district court's judgement be reversed."

A coalition of Republican-led states brought a lawsuit, Texas v United States, arguing the entire health law should be tossed out. 

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