CareDx, Inc. develops and sells medical solutions for transplant patients globally, including diagnostic products for kidney, heart, and lung transplant recipients, and software for patient management. Its products are marketed directly to consumers and through other entities, and the company has partnerships with Illumina and Cibiltech SAS for the distribution, development, and evolution of its technology. CareDx, founded in 1998, is headquartered in South San Francisco, California, USA.