Extended testing might also screen for some or all of the following, but basic testing is the most common.
Barbiturates (phenobarbital, butalbital, secobarbital)
Benzodiazepines (tranquilizers like Valium, Librium, Xanax)
Ethanol (ethyl alcohol, booze)
Hallucinogens (LSD, mushrooms, mescaline, peyote)
Inhalants (paint, glue, hair spray)
Anabolic Steroids (synthesized, muscle-building hormones)