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FRAUD ALERT: PROTECT YOURSELF

A prepaid card to cover drug testing fees is generally an indication of a fraudulent employment scheme. Employers typically arrange and pay for testing directly. Please use caution and be vigilant.

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Quest Diagnostics

Oral fluid drug testing

Lab-based oral fluid testing with Quantisal™

Lab-based oral fluid drug testing is an essential tool for drug-free workplace programs for multiple reasons, but one holds the top spot and it’s all about the experience offered by this testing type.
Discover the enhanced experience of lab-based oral fluid drug testing with new expanded panels. Oral fluid drug testing, also known as a saliva drug test, offers a simple and straightforward collection process that can be administered virtually anywhere. With observed collections, cheating deterrence is heightened, making it an ideal choice for drug-free workplace programs. Learn more about our advanced oral fluid drug testing with Quantisal™ and elevate your drug screening program to new heights!
Learn more about oral fluid drug testing with Quantisal™

Oral fluid overview

Oral fluid testing offers accurate results after a simple collection. When compared to other tests, it typically detects drugs closer to the time of use.

Why oral fluid testing

Oral fluid testing FAQs

Why choose lab-based oral fluid drug testing? What is the detection window for drugs in oral fluid? What drugs are tested with oral fluid testing?

Read our FAQs

Oral fluid test panels & cutoffs

For employers who cannot compromise, our oral fluid drug testing panels yield reliable results that allow employers to screen with confidence.

See our test panels

Advantages of Quantisal™

The Quantisal™ device features a volume indicator window, clearly marking when sufficient quantity of the specimen has been collected.

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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. © 2025 Quest Diagnostics Incorporated. All rights reserved. Image content features models and is intended for illustrative purposes only.