Nationwide Drug & Alcohol TestingOperating Nationwide
Mon–Fri, 8AM–8PM CST(773) 245-7009
Testing Location

Generate Your Donor Pass.

Tell us exactly where you need to complete your testing. Enter the location where you will be available, and we will use that information to determine the appropriate testing location for your service.

S4U Tracking Number —

Where do you need testing?

Please enter the exact city, state, and ZIP code where you want us to locate a testing facility. This does not need to be your billing address.

Use the ZIP code closest to where you will test.
Address verification: Your testing location will be verified and standardized through USPS before it is saved to your S4U order. We will use this verified location to prepare the testing-location details for your order.
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Location received.
Your donor pass workflow is ready for the next step. Continue with the testing-location assignment shown in your order.