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Quest Diagnostics

Viral respiratory testing

Determine whether your patient's symptoms are caused by COVID-19, flu, or RSV

Healthcare professionals rely on insights from Quest Diagnostics to make the best choices for their patients. Find molecular respiratory combination testing options, patient care tools, support for your practice, clinical resources, and more. Quest receives respiratory specimens and performs testing nationwide with precision and reliability. Learn more about the test options available to your patients.

COVID-19, flu, and RSV cotests

Quest Test Directory

Find all the respiratory testing information you need, including specimen collection and transport requirements, through Quest’s robust Test Directory.

Visit Test Directory

Quest tools to enhance care

Quanum® Lab Services Manager

Your practice can rely on the Quanum® Lab Services Manager as a dedicated resource to manage patients, test results, requisitions, and supplies.

Strengthen your practice

MyQuest® portal

Your patients can always access their results directly through their secure MyQuest® account. The online portal is free to set up.

Support your patients

Create a new account with Quest

Get started

COVID-19

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. © 2026 Quest Diagnostics Incorporated. All rights reserved. Image content features models and is intended for illustrative purposes only. May include AI-generated and/or AI-modified imagery.