Current textIn force on Sept. 29, 2025Source: eCFR
§ 40.82 What drugs do laboratories test for?
Current wording, effective June 1, 2023.
49 CFR § 40.82 — What drugs do laboratories test for?. Text in force on September 29, 2025. This wording effective June 1, 2023 to present. Source: eCFR as of September 29, 2025, https://www.ecfr.gov/on/2025-09-29/title-49/section-40.82. Retrieved from FMCSR.com, https://fmcsr.com/reg/40.82?asof=2025-09-29, 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) Opioids.
(e) Phencyclidine (PCP).
[82 FR 52244, Nov. 13, 2017. Redesignated at 88 FR 27643, May 2, 2023]
Amendment history
1 distinct wording on file since June 1, 2023- [82 FR 52244, Nov. 13, 2017. Redesignated at 88 FR 27643, May 2, 2023]
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.