Quest Diagnostics Customer Service

Welcome to the quest diagnostics customer service experience! If you’ve ever needed help from a diagnostic service provider, you’ll know that customer service can make or break the experience. From scheduling appointments to answering questions and resolving issues, the customer service experience reflects positively or negatively on the company – and that’s why quest diagnostics takes pride in offering superior service.

In this article, you’ll learn more about quest diagnostics’ customer service and discover the features, benefits, and different levels of service they provide to ensure top-notch customer satisfaction. So without further ado, let’s get started!

Quest Diagnostics Customer Service
Quest Diagnostics Customer Service

How To Contact Quest Diagnostics Customer Service

Using Phone

If you would like to speak with a customer service representative, you can call the Quest Diagnostics customer service number toll-free at 1 (866) 697-837. It is available 24 hours a day, seven days a week.

Using Email

You can reach out to a customer service representative by emailing your inquiry to customerservice@questdiagnostics. com. Generally, it can take 1-3 business days for them to respond to your email.

Using Social Media

You can contact Quest Diagnostics via social media by following their accounts on Facebook, Twitter, Instagram, and LinkedIn. Make sure to include your phone number and email address in case they need to contact you for additional information.

5 Reasons To Contact The Quest Diagnostics Customer Service

  • To schedule an appointment
  • To inquire about medical test results
  • To ask questions about billing and insurance information
  • To report a transaction or technical issue
  • To provide feedback or suggestions.

Alternate Companies


LabCorp is another global healthcare provider that specializes in laboratory tests and services. Their customer service team is available 24/7 by phone, email, or social media.

Quest Patient Service Centers

Quest Patient Service Centers is a network of patient care centers in the US that are owned and operated by Quest Diagnostics. They provide their customers with health and wellness resources, lab testing, and other services.

My Lab ReQuest

My Lab ReQuest is a mobile app that provides customers with an easy and convenient way to take care of their lab testing needs. Customers can access their results and order labs right from their smartphones.


Customers who require assistance with Quest Diagnostics services can contact their customer service team via phone, email, or social media.

There are numerous reasons why a customer might want to reach out, such as to schedule an appointment or inquire about medical test results. Aside from Quest Diagnostics, customers can also consult LabCorp, Quest Patient Service Centers, and My Lab ReQuest for assistance.

In conclusion, Quest Diagnostics’ customer service is available 24/7 by phone, email, and social media. Customers can contact them for a myriad of reasons, including scheduling an appointment, inquiring about medical test results, or asking questions about billing and insurance information. If customers are unable to find the help they need from Quest Diagnostics, they can turn to alternative providers such as LabCorp, Quest Patient Service Centers, and My Lab ReQuest for assistance.

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