Quest Diagnostics is working with  Montefiore Health System (MHS) to provide diagnostic laboratory services. This partnership will enhance the quality and efficiency of laboratory services at Montefiore. Quest will perform a portion of low complexity diagnostic tests at its Teterboro, NJ lab facility. The remainder of the laboratory testing will continue to be done at Montefiore Hospitals under the direction of the Montefiore and Einstein Department of Pathology.