Quest Diagnostics Incorporated, the world’s leading provider of diagnostic testing, information and services, today announced that its wholly-owned subsidiary Quest Diagnostics India Pvt. Ltd. has received certificates of accreditation from the College of American Pathologists (CAP), a leading international laboratory accrediting organization, and the National Accreditation Board for Testing and Calibration Laboratories (NABL), the sole government-authorized laboratory accreditation body in India, for its diagnostic and clinical trials laboratory in Gurgaon, India.