Tag: SAMHSA-certified

Ask the Experts

Ask the experts: The life of a drug testing specimen

March 23, 2021

Our labs handle more than eight million drug testing specimens yearly while maintaining an excellent track record of reliability and accuracy.


Winter Storm Juno arrives

January 27, 2015

Due to Winter Storm Juno, Quest Diagnostics Patient Service Centers in New York, New Jersey and New England will not open on Tuesday, January 27.


Continuous lab improvements

August 4, 2014

Quest Diagnostics diligently focuses on our laboratories and continually adjusts, refines and improves our testing processes.