Certified DOT-compliant drug and alcohol testing for safety-sensitive employees, FMCSA-regulated carriers, and transportation industry employers. Pre-employment, random, post-accident, return-to-duty, and follow-up testing — all in one location.
DOT drug and alcohol testing refers to the mandatory testing program required by the Department of Transportation (DOT) for safety-sensitive employees in the transportation industry. The program is designed to ensure that commercial drivers, pilots, train operators, and other safety-sensitive personnel are not impaired by drugs or alcohol while performing their duties — protecting both the employee and the public.
Midwest Identity Services provides certified DOT-compliant drug and alcohol testing services for FMCSA-regulated carriers and other DOT-covered employers in Kansas City. All testing follows 49 CFR Part 40 procedures — including proper specimen collection, certified laboratory analysis, Medical Review Officer (MRO) review, and chain-of-custody documentation on every test.
DOT testing follows strict federal regulations under 49 CFR Part 40. Non-DOT testing uses employer-defined procedures and panels. If your employer requires DOT testing — typically because your role is safety-sensitive under FMCSA, FAA, FTA, or another DOT agency — you must use a DOT-compliant testing provider. Call us at (816) 442-0295 if you're unsure which type applies to you.
DOT regulations require six distinct test circumstances. We provide all six — from first hire through ongoing workforce monitoring.
Every safety-sensitive employee must pass a DOT drug test before performing any safety-sensitive function for the first time. A negative result is required before the employee may begin work. Alcohol testing pre-employment is required only when the employer chooses to include it in their program.
Safety-sensitive employees must be enrolled in a random testing pool. FMCSA requires a minimum annual rate of 50% for drugs and 10% for alcohol. Selections are made by a scientifically valid random process — employees must test immediately upon notification with no advance warning.
When a trained supervisor observes specific, contemporaneous, articulable signs or symptoms of drug or alcohol use, the employee must be tested immediately. The supervisor's observations must be documented in writing within 24 hours or before results are reported.
Following a qualifying accident involving a commercial motor vehicle, drug and alcohol testing must be completed as soon as practicable. Alcohol testing must occur within 2 hours of the accident (8-hour maximum). Drug testing must occur within 32 hours. Speed of testing is critical.
Before an employee who has violated DOT drug or alcohol regulations can return to safety-sensitive duties, they must complete a SAP (Substance Abuse Professional) evaluation, follow the prescribed treatment program, and pass a return-to-duty test with a verified negative result.
After returning to safety-sensitive duty, employees are subject to unannounced follow-up testing. The SAP determines the frequency and duration — a minimum of 6 tests in the first 12 months. Follow-up testing can continue for up to 60 months based on SAP recommendation.
DOT drug testing uses a federally mandated 5-panel urine test administered under 49 CFR Part 40. The test screens for five categories of substances. Alcohol testing is conducted separately using a certified breath alcohol technician (BAT) and an evidential breath testing (EBT) device.
Under federal DOT regulations, a positive marijuana result cannot be excused by a state medical marijuana card, prescription, or state law. DOT operates under federal law, which classifies marijuana as a controlled substance regardless of state legislation. A verified positive marijuana result is a DOT violation.
DOT compliance is an ongoing obligation — not just a hiring checkbox. Here are the key steps FMCSA-regulated employers must follow to maintain a compliant drug and alcohol testing program.
Create a written policy that clearly communicates your company's drug and alcohol testing program, prohibited behaviors, testing circumstances, and consequences of violations. The policy must meet the requirements of 49 CFR Part 382 for FMCSA-covered employers. Distribute the policy to every covered employee and document receipt.
DOT regulations require supervisors of CDL drivers to complete one hour of training on drug use recognition and one hour on alcohol misuse recognition before they can make reasonable suspicion determinations. This training is a regulatory requirement — not optional. Documentation of training completion must be maintained.
Work with a testing provider that collects specimens under 49 CFR Part 40 procedures and uses SAMHSA-certified laboratories. All DOT drug tests must follow the federal collection and chain-of-custody process — non-compliant collection procedures can invalidate a test result entirely. Midwest Identity Services follows all required procedures on every test.
All safety-sensitive employees must be enrolled in a DOT random testing pool. Owner-operators and small carriers who cannot maintain their own pool must join a consortium or C/TPA (Consortium/Third-Party Administrator). Random selections must be made at the required minimum annual rates set by FMCSA.
FMCSA-regulated employers must register with the Drug and Alcohol Clearinghouse and conduct pre-employment queries before hiring any CDL driver into a safety-sensitive position. Annual general queries are required for all currently employed drivers. Violations must be reported to the Clearinghouse within 3 business days.
DOT regulations specify exact record retention requirements — five years for positive results and refusals, two years for random selection records, and one year for negative results. Records must be made available to DOT officials upon request. Gaps in record-keeping are a common source of compliance violations during audits.
Whether you need a single pre-employment test or a full employer compliance program — we follow proper procedures every time so your results hold up under audit.
Every DOT test follows the federal collection procedures required by 49 CFR Part 40. Proper chain-of-custody, correct specimen handling, and compliant documentation on every collection — not shortcuts.
All DOT drug specimens are sent to a SAMHSA-certified laboratory — the only type of lab authorized to analyze DOT specimens under federal regulations. Results are reviewed by a certified Medical Review Officer (MRO) before being reported.
Full chain-of-custody documentation on every test — from specimen collection through laboratory analysis and MRO review. Your documentation will withstand DOT audit review and legal scrutiny if needed.
We provide all six DOT-required test types — pre-employment, random, reasonable suspicion, post-accident, return-to-duty, and follow-up. One provider for your entire DOT testing program.
Post-accident testing has strict time limits — 2 hours for alcohol, 32 hours for drugs. We prioritize urgent DOT testing requests and can accommodate same-day appointments for time-sensitive situations.
From random pool management to FMCSA Clearinghouse query support, we assist carriers and motor vehicle employers in building and maintaining compliant DOT drug and alcohol testing programs. Call us to discuss your program needs.
More questions? Call (816) 442-0295 and we'll answer in two minutes.
Individual tests and employer programs available. All six DOT test types — pre-employment through follow-up.
8101 E. Bannister Rd · Kansas City, MO 64134 · Cost: $60–$99 based on services needed
