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What are the FMCSA test types?
  • The DOT requires testing for alcohol and five classes of drugs.

Department of Transportation (DOT) drug tests require laboratory testing for the following five classes of drugs:

  • Marijuana
  • Cocaine
  • Opioids
  • Amphetamines
  • Phencyclidine (PCP)

DOT alcohol tests identify alcohol concentration of 0.02 and greater.