CareDx, Inc., was incorporated in Delaware on December 21, 1998 as Hippocratic Engineering, Inc. In April 1999, they changed their name to BioCardia, Inc., and in June 2002, they changed their name to Expression Diagnostics, Inc. In July 2007, they changed their name to XDX, Inc., and in March 2014, they changed their name to CareDx, Inc. CareDx is a precision medicine company dedicated to improving the prognosis of transplant patients and promoting organ health. Their headquarters are in Brisbane, California. The solutions they offer are designed to empower clinicians and improve patient outcomes. The company's all-in-one solutions include non-invasive molecular testing for heart, kidney and lung transplants; laboratory products; digital health technology; and patient solutions that support pre- and post-transplant care.