§ 40.82 What drugs do laboratories test for?

PART 40—PROCEDURES FOR TRANSPORTATION WORKPLACE DRUG AND ALCOHOL TESTING PROGRAMS, last amended 2023-06-01

As a laboratory, you must test for the following five drugs or classes of drugs in a DOT drug test. You must not test “DOT specimens” for any other drugs.

(a) Marijuana metabolites.

(b) Cocaine metabolites.

(d) Opioids.

(e) Phencyclidine (PCP).

Official text from the eCFR. The eCFR is an authoritative but unofficial editorial compilation; the Federal Register is the legal source.