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 as well as special situations, such as collecting samples for a Fertility Profile or for Vitamin D only.  If you have additional questions, you can also try the FAQ's page.

Blood Spot Collection Video

Saliva Collection Video

Urine Collection Video 


Downloadable Instructions

For your convenience, our Customer Service Department can be reached by e-mail at  or by phone, Monday through Friday from 6am-5Pm Pacific Time toll free at (866)600-1636 or locally at (503)466-2445.