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Contact Us

Need Assistance? Please choose from the topics below.

Contact Customer Service

Email us with questions or comments or call one of our Customer Service Centers based on your area of interest below.

Quest Diagnostics

Patients: Call 866-MYQUEST (866-697-8378) and select Option 2

 

 

 

Quest Diagnostics Clinical Trials

1(800) 877-7004

 
 
Quest Diagnostics Employer Solutions
1(800) 877-7484
 

 

Quest Diagnostics Nichols Institute:

 

Nichols Institute, San Juan Capistrano 

1(800) 553-5445

Nichols Institute, Chantilly

1(800) 336-3718

Nichols Institute, Valencia

1(800) 421-4449

 

 

AmeriPath

1(800) 330-6565

 

 

Dermpath Diagnostics

1(800) 330-6565

 

 

Diagnostic Laboratory of Oklahoma (DLO)

1 (800) 891-2917

 

 

ExamOne

1 (800) 677-6726

 

 

Focus Diagnostics

1(800) 445-4032

 

 

HemoCue

1(800) 323-1674