Historical textIn force on Sept. 30, 2004Source: annual CFR editions 2001–2016
§ 40.85 What drugs do laboratories test for?
Wording first on file in the 2001 annual edition, superseded November 13, 2017.
Before Jan. 1, 2017 the record is one snapshot per annual CFR edition, revised as of October 1. This is the 2003 edition's wording. An amendment that took effect between Oct. 1, 2003 and Sept. 30, 2004 would not appear until the next edition, so check the citations below and the Federal Register for exact effective dates.
49 CFR § 40.85 — What drugs do laboratories test for?. Text in force on September 30, 2004. This wording effective October 1, 2001 to November 13, 2017. Source: govinfo, 2003 edition, https://www.govinfo.gov/app/details/CFR-2003-title49-vol1/CFR-2003-title49-vol1-sec40-85. Retrieved from FMCSR.com, https://fmcsr.com/reg/40.85?asof=2004-09-30, on October 26, 2026. Unofficial compilation; verify against the official source.
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).
Amendment history
5 distinct wordings on file since Oct. 1, 2001- [65 FR 79526, Dec. 19, 2000, as amended at 75 FR 49862, Aug. 16, 2010; 77 FR 26473, May 4, 2012; 82 FR 52244, Nov. 13, 2017. Redesignated and amended at 88 FR 27643, May 2, 2023]
- [82 FR 52244, Nov. 13, 2017]
- [82 FR 52244, Nov. 13, 2017]
A new entry appears whenever the regulatory words change between government snapshots. Day-precise from the eCFR (2017 onward); before that, one snapshot per annual CFR edition (revised as of October 1). Bracketed citations are the Federal Register history printed with the section.