BRISBANE, Calif.--(BUSINESS WIRE)--XDx, Inc., a molecular diagnostics company focused on noninvasive gene expression tests for the monitoring of immune-mediated conditions, today announced that Pierre Cassigneul, president and chief executive officer, is scheduled to present at the Piper Jaffray 21st Annual Healthcare Conference on Tuesday, December 1, 2009 at 8:50 a.m. (ET) at the Palace Hotel in New York City.
