The DOT testing at HHS-certified laboratories will continue to be a 5-panel drug test regimen, on and after October 1, 2010. This document provides guidance on this announcement. The DOT testing at HHS-certified laboratories will continue to be a 5-panel drug test regimen, on and after October 1, 2010. The 5-panel regimen will remain: Marijuana (THC) Cocaine; Amphetamines; Opiates; Phencyclidine (PCP) Under Opiates, DOT testing has always included confirmatory testing, when appropriate, for Codeine, Morphine, and 6-AM (heroin).