SCOTTSDALE, Ariz., May 2, 2012 (GLOBE NEWSWIRE) -- Provista Diagnostics, Inc., a provider of oncology-based diagnostic tests and clinical laboratory services to the pharmaceutical and biotechnology industries, is pleased to announce the opening of its new 13,611 sq. ft. laboratory. The newly remodeled facility, located in Scottsdale, Arizona, will house the Provista Dx Reference Laboratory, an innovative, leading-edge CLIA accredited laboratory that is also GLP compliant.