How to Collect Your Sample
At ZRT Laboratory, we are committed to making lab testing simple! The short videos below show how to collect a dried blood spot, saliva or dried urine sample for testing.
We also provide links to printer-friendly instructions at the bottom of this page.
If you have additional questions, you can also try reviewing our FAQs.
For your convenience, our Customer Service Department can be reached by e-mail at email@example.com or by phone, Monday through Friday from 6am-5pm PT toll free at 866.600.1636 or locally at 503.466.2445.