[Code of Federal Regulations] [Title 49, Volume 1] [Revised as of October 1, 2005] From the U.S. Government Printing Office via GPO Access [CITE: 49CFR40.85] [Page 651] TITLE 49--TRANSPORTATION Subtitle A--Office of the Secretary of Transportation PART 40_PROCEDURES FOR TRANSPORTATION WORKPLACE DRUG AND ALCOHOL TESTING PROGRAMS--Table of Contents Subpart F_Drug Testing Laboratories Sec. 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. (c) Amphetamines. (d) Opiate metabolites. (e) Phencyclidine (PCP).