A saliva test kit for testing testosterone levels. Collect the saliva sample at home and send it to the lab in a convenient prepaid mailer. Results usually completed within 3 to 5 days of when sample arrives at the lab and are available online or via snail mail. You will be submitting health information and ordering tests for informational purposes only. You are responsible for taking the test to your health care provider for any additional interpretation and neither ZRT Laboratory or Virginia Hopkins Test Kits®, is diagnosing or treating any condition through your use of this service.