BEST Selling Tests and Panels

Looking for the most popular online lab tests and packages?  Below is a list of Request A Test's current best-selling menu items.  Choose from one or more of these popular options to build your order.  Don't forget that Request A Test has a large comprehensive list of affordable tests to pick from.  If you can't find what you need here, check out our full test menu.


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BEST Selling Panels

Choose from these best-selling online test panels.  Each panel bundles multiple tests together for extra savings.  Don't see what you're looking for?  Take a look at our full menu of affordable panel options.

Go To Individual Test

BEST Selling Tests

Peruse our best-selling lab tests and pick one or more that best suit your needs.  If you don't see the test you need here, make sure you check out our complete test menu for a full list of available testing options.  Request A Test offers discounted lab testing at over 3600 labs nationwide.

Go To Discount Panels

Alcohol EtG, Urine

Ethyl Glucuronide Urine screen with confirmation, Ethyl Sulfate (EtS)

Iron and Total Iron-binding Capacity

TIBC, transferrin saturation, Unsaturated Iron-binding Capacity (UIBC)

Online Lab and Blood Testing.  Contact us today!

Affordable lab testing is at your fingertips!  Don't see the test you are looking for?  Call Request A Test at 1-888-732-2348.  We'll be happy to help you choose the discounted test that works best for your needs.  Convenient lab testing has never been this easy.