Testmedica Marijuana Drug Screen Description: One Step Home Screen The Testmedica Drugs of Abuse test is only the first step in a two-step process for determining the presence of drugs of abuse. If you get a preliminary positive test results when you use this product, we recommend that you send the urine to a certified laboratory, which can test the urine again with a more accurate and reliable test. The second test is called confirmation testing which in most often done using a test called gas chromatography/mass spectrometry. We recommend that you consult with your doctor or another qualified professional to help you understand test results and to address problems such as drug use. Controlled substances and their mandated allowable levels in urine as specified by the National Institute on Drug Abuse (NIDA). Cocaine- 300 ng/ml Marijuana (THC)- 50 ng/ml Heroin/Opiates- 2000 ng/ml Methamphetamine- 500 ng/ml MDMA (Ecstasy)- 500 ng/ml Disclaimer These statements have not been evaluated by the FDA. These products are not intended to diagnose, treat, cure, or prevent any disease.