WALTHAM, Mass.--(BUSINESS WIRE)--PerkinElmer, Inc. (NYSE: PKI), a global leader in Health Sciences and Photonics, today announced a one-year agreement with the Mexican Ministry of Health, la Secretaría de Salud, to expand its newborn screening program across Mexico. Under the terms of the agreement, PerkinElmer will provide instrumentation, reagents and screening expertise that will help the Ministry of Health screen for congenital hypothyroidism and triple its screening capacity. The expanded program began in May 2008.