5, 6,10 & 12 panel tests, which are probably what 99.o% of all employers actually use, cover these drugs:
Cocaine
Marijuana
Angel Dust
Amphetamines (includes Adderall and Meth)
Opiates (Heroine & Morphine)
Benzodizepines (Xanax & Vallium)
Barbiturates
Methadone
Propoxyphene