REDWOOD CITY, Calif., July 28 /PRNewswire-FirstCall/ -- Genomic Health, Inc. (Nasdaq: GHDX - News) today announced that the company will host a conference call and webcast on Tuesday, August 4, 2009 at 4:30 p.m. Eastern Time to discuss its second quarter 2009 financial results. The call and webcast will follow the release of the second quarter financial results after market close.