Tag: SAMHSA-certified
Ask the experts: The life of a drug testing specimen
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
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
Quest Diagnostics diligently focuses on our laboratories and continually adjusts, refines and improves our testing processes.