RSBURG, Md.--(BUSINESS WIRE)--At the joint conference of the American Society of Human Genetics/International Congress on Human Genetics in Montreal on October 12, GeneDx, one of the foremost genetics laboratories in the world and a subsidiary of Bio-Reference Laboratories, Inc. (NASDAQ: BRLI), is announcing a first-of-its-kind test that will enable physicians and patients to more accurately identify the genetic cause of rare diseases.