All testing performed at ZRT Laboratory is done to high standards of accuracy and uses state-of-the-art methodology. Tests are validated with internal and/or external controls.


Please refer to our Test Directory for a complete list of our tests offered commercially including the sample types and methodology used.


Examples of validation data for some of our commercial tests using our innovative methods in saliva, dried blood spot, and dried urine are shown below.


Saliva Testosterone

Blood Spot TSH

Dried Urine Iodine


Please inquire about tests available for research.


For more information on any of our testing, please contact our customer service team at 1.866.600.1636 or info@zrtlab.com.