United Health is down 3.76% at $157.50 a share on Friday morning after news that the US Justice Department joined a 2011 lawsuit by a former United Health executive against the health insurer.
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United Health sinks after being sued by the US government (UNH)
The US Justice Department joined an existing lawsuit by a former United Health Executive.
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The lawsuit claims that United Health overcharged Medicare by hundreds of millions of dollars by claiming the program's participants were sicker than they actually were, according to the law firm Constantine Cannon LLP.
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