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.
Blood Spot & Urine Instructions
Cortisol Awakening Response Instructions
Heavy Metals & Essential Elements Instructions
Menstrual Cycle Mapping Instructions
Saliva & Blood Spot Instructions
Urine Hormone Metabolites Instructions
Weight Management Instructions
For your convenience, our Customer Service Department can be reached by e-mail at info@zrtlab.com or by phone, Monday through Friday from 6am-5pm PT toll free at 866.600.1636 or locally at 503.466.2445.
