KINDERHOOK, N.Y.--(BUSINESS WIRE)--American Bio Medica Corporation (NASDAQ:ABMC), a global provider of immunoassay diagnostic test kits, will release 1st Quarter 2009 results at close of market on Wednesday, May 13, 2009 and will hold its conference call to discuss the 1st Quarter results on Thursday, May 14 2009, at 11 AM Eastern Time (10 AM Central Time).