Where are my laboratory tests performed?

Your specimen will be processed at either Quest Diagnostics or LabCorp - both are CLIA-certified national laboratories trusted by doctors and hospitals across the U.S. for accurate, reliable results.…

How do I find labs near me?

Our service utilizes both LabCorp and Quest Diagnostics, these laboratories have Patient Service Centers locations all over the US. You can find lab locations convenient to you by entering your ZIP co…

How can I change my lab location?

You've booked a Quest appointment but fancy a different location? No problemo! You can visit any of the lab locations listed on our website, as long as it's the same lab company indicated on your requ…

Are the labs open on weekends?

Some labs (patient service centers) are open on Saturdays. You can view lab operating hours by entering your ZIP code in the lab locator from our website: Quest Diagnostics: https://www.privatemdlabs.…

Can I use my requisition (lab order) in another state?

Yes, you may take your requisition to be collected at our authorized labs in any state other than NY, NJ, and RI. You can see all our locations here: Quest Diagnostics https://www.privatemdlabs.com/la…

What is the difference: Quest Diagnostics vs. LabCorp?

For the purpose of understanding if there is any quality difference between Quest Diagnostics and LabCorp, the answer is no, they both use the highest quality standards and machines. However, if you’r…

Can I get collected at my local hospital or place of work?

No, we require all collections to be completed at one of our authorized collection locations to ensure proper handling of your order. You'll need to visit either a Quest Diagnostics or LabCorp facilit…