DOT Rule 49 CFR Part 40 Section 40.85
Subpart F - Drug Testing Laboratories
§ 40.85 What drugs do laboratories test for?
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.
(e) Phencyclidine (PCP).
[as amended 82 FR 52244, November 13, 2017]
Last updated: Monday, January 1, 2018