Minnesota-based UnitedHealth Group Inc. is the focus of an antitrust lawsuit filed on Tuesday by the United States Department of Justice.

Amedisys (NASDAQ:AMED) fell 2% in premarket trading on a report that the Dept. of Justice has signed off on a lawsuit to challenge UnitedHealth's $3.3 billion purchase of the home-health services provider.

The Department of Justice filed suit on Tuesday to block UnitedHealth's $3.3 billion acquisition of home health company Amedisys, arguing that the deal would stifle competition in this space. | The Department of Justice filed suit on Tuesday to block UnitedHealth's $3.

The Justice Department is suing to block UnitedHealth Group's $3.3 billion purchase of Amedisys, citing concerns the combination would hinder access to home health and hospice services in the U.S. The antitrust complaint was filed in Maryland federal court Tuesday.

The Justice Department on Tuesday sued to block UnitedHealth Group’s $3.3 billion acquisition of Amedisys, alleging the deal would give the health-industry giant too much power over the market for home health and hospice services.

The Justice Department and three U.S. states filed a lawsuit on Tuesday to block UnitedHealth Group's $3.3 billion purchase of Amedisys Inc over concern the deal would harm competition in the market for home health services,

The U.S. Department of Justice (DOJ) recently filed a lawsuit to block UnitedHealth Group Incorporated’s UNH $3.3 billion acquisition of Amedisys, Inc. AMED, arguing that the merger would hurt competition in the home health and hospice care market.