Skip to main content

Scheduled maintenance

Location search will not be available from Saturday, September 30 at 9:00 AM ET until Sunday, October 1 at 6:00 PM ET due to planned site maintenance. We apologize for any inconvenience.

Hide
Quest Diagnostics Home

Contact us

Please select from the options below to contact the right team for assistance. If you are located outside of the U.S., please view international contact options.

For the latest information on the coronavirus disease (COVID-19), click here for information.

Browse Common Help Topics

Still can’t find what you are looking for? Send a request to our customer service.

Contact Customer Service

Looking for test results?

Login to MyQuest®, or create a MyQuest account to access your lab test results

Go to MyQuest

Need to modify an existing appointment?

We understand!

View or modify existing appointment

Our company

Quest® is the brand name used for services offered by Quest Diagnostics Incorporated and its affiliated companies. Quest Diagnostics Incorporated and certain affiliates are CLIA certified laboratories that provide HIPAA covered services.  Other affiliates operated under the Quest® brand, such as Quest Consumer Inc., do not provide HIPAA covered services. 

 

Quest, Quest Diagnostics, any associated logos, and all associated Quest Diagnostics registered or unregistered trademarks are the property of Quest Diagnostics. All third-party marks—® and ™—are the property of their respective owners. © 2023 Quest Diagnostics Incorporated. All rights reserved. Image content features models and is intended for illustrative purposes only.