Antitrust scrutiny from the feds may affect the home health market. The Department of Justice is conducting an antitrust investigation of UnitedHealth Group Inc., according to the Wall Street Journal. Investigators are reportedly focusing on the behemoth’s Optum division, among other areas. Optum’s $3.3 billion acquisition of Amedisys Inc. has been in a holding pattern as it undergoes antitrust scrutiny, as the publicly traded chain revealed last summer (see HHHW by AAPC, Vol. XXXII, No. 29).