DOT Drug & Alcohol Testing in Texas

Quick, Clean, Reliable Testing. No Waiting. Walk-ins Welcome.

Quicktest Labs provides all the services required to fulfill the drug and alcohol testing rules required by FMCSA regulations for drivers, who are required to have a CDL in Texas and nationwide. These services include DOT compliant urine drug testing and breath alcohol testing procedures from our Texas DOT test lab. To ensure proper chain of custody and compliance with the DOT testing rules and regulations, DOT test collection labs, such as our Texas lab, must be trained to operate the EBT and be proficient in the breath testing procedures. Quicktest Labs is a certified drug and alcohol collections facility and is fully DOT compliant!

  • Our Texas lab techs are certified as a BAT in accordance with 49 CFR Part 40 of the U.S. Department of Transportation's Alcohol Testing Procedures.
  • Our Texas lab provides three part Breath Alcohol Testing form for DOT
  • We use federally approved Lifeloc Phoenix® 6.0 Portable Breath Alcohol Testing Equipment at our Texas lab.
  • We have new individually wrapped mouth blow tubes for each test at our Texas DOT testing lab.

All Quicktest Labs staff members are certified Breath Alcohol Technicians (BAT) and Certified Lifeloc Operator and Calibration Technicians (C-LOCT). Walk-ins and same day appointments are welcome at our Texas DOT test lab. Call our Texas lab today for any questions DOT drug and alcohol testing in Texas, Texas.

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DOT Drug Testing

The US Department of Transportation (DOT) requires drug testing for safety-sensitive employees for the six agencies under the DOT umbrella (FMCSA, FAA, FTA, PHMSA, USCG, FRA). Quicktest Labs in Texas offers comprehensive DOT testing solutions including Texas drug testing and alcohol testing services. Our certified Texas lab specializes in both DOT and non-DOT drug testing services as well as Texas DOT program development and management.

DOT Alcohol Testing

Quicktest Labs offers comprehensive DOT testing solutions including drug testing and Texas DOT alcohol breathalyzer and urine testing services. We commonly work with all size companies with employees in safety sensitive positions. Our Texas DOT specialists can assist with pre-employment drug testing, random testing, post-accident, follow-up testing and much more.


A breath alcohol test from our Texas alcohol testing lab, using a device known as a breathalyzer, is a quick and easy way to gauge the amount of alcohol currently within a person's system. No matter your reason for obtaining a breathalyzer test in Texas at our alcohol and drug testing facility, we'll get you the accurate results you need, instantaneously.

Audit Preparation

Maintaining compliance with DOT safety regulations in Texas and ensuring that your company's management team understands the regulations and what records they are expected to keep will properly prepare businesses for a DOT audit in Texas. Quicktest Labs is familiar with DOT regulations and can help your company properly prepare for the next DOT audit.

Post Accident

Quicktest Labs is a leading provider of Texas drug testing services for employers, students, parents and individuals. Our drug test has the capacity to handle drug testing needs both big and small. All of our drug tests are conducted with the strictest standards for accuracy and confidentiality, and our lab has the capacity to implement and manage even the largest employer drug testing programs.

Mobile DOT Testing

Quicktest Labs provides industry-leading DOT-compliant testing services to our clients all over the country. No one does a better job providing, fast, accurate test results while following all DOT compliance protocols and industry best practices. In addition, we're equipped to provide all of our Texas drug testing services on a mobile basis, at your office or any other suitable location.

DOT Physicals

DOT physical examinations are required by The Department of Transportation to ensure the safety of both potential and current CDL holders as well as the other drivers sharing the road. The periodic DOT medical exam must be conducted by an approved DOT medical examiner in Houston who will provide a DOT medical card proving the driver has met the medical requirements to hold a CDL.

DOT Protocol Training

The Department of Transportation (DOT) requires both drug and alcohol testing in Texas for employees who hold safety-sensitive positions with any one of the six agencies it manages. DOT protocol for drug and alcohol testing is strict, and Quicktest Labs in Texas is one of the top DOT drug and alcohol testers in the United States.

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Certified DOT Drug & Alcohol Testing in Texas

Each state has specific requirements for DOT drug testing. The drug testing regulations vary according to the actual employer- be it the state government or private company - but all safety-sensitive employees and employers within the six agencies under the DOT umbrella (FMCSA, FAA, FTA, PHMSA, USCG, FRA) must have proof that they are complying with a drug and alcohol screening program .

Mobile DOT Drug Testing

Quicktest Labs provides the most comprehensive and accurate drug and alcohol testing service in the industry. One of our specialties is on-site Texas DOT testing using our mobile labs. Our DOT services also include DOT consortiums and recurring testing for commercial drivers and employers required to comply with US Department of Transportation (DOT) drug testing regulations.

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Who Do The DOT Rules Apply To?

The FMCSA rules apply to safety-sensitive employees, who operate commercial motor vehicles requiring a CDL license

  • Anyone who owns or leases commercial motor vehicles
  • Anyone who assigns drivers to operate commercial motor vehicles
  • Federal, State, and local governments
  • For-Hire Motor Carriers
  • Private Motor Carriers
  • Civic Organizations (Disabled Veteran Transport, Boy/Girl Scouts, etc.)
  • Churches

Employers are responsible for implementing and conducting the drug and alcohol testing programs for their employees. Quicktest Labs provides all the services needed for employers to remain compliant with DOT rules. All Quicktest Labs certified technicians are trained to operate the breath alcohol test and are proficient in all DOT urine, breath and saliva testing procedures.

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What Are The DOT Testing Rules?

  • Post Accident Testing- Drug and alcohol testing performed after accidents with drivers whose performance may have contributed or caused the accident (as determined by a citation for a moving traffic violation) and for all fatal accidents even if the driver is not cited for a moving traffic violation
  • Reasonable Suspicion- Drug and alcohol testing conducted when a trained supervisor or company official observes behavior or appearance that is characteristic of alcohol misuse.
  • Random Testing- Drug and alcohol testing performed on a random, unannounced basis just before, during, or just after performance of safety-sensitive functions.
  • Return-To-Duty and Follow-Up Testing- Drug and alcohol tests conducted when an individual who has violated the prohibited drug and alcohol conduct standards returns to performing safety-sensitive duties. Follow-up tests are unannounced. At least 6 tests must be conducted in the first 12 months after a driver returns to duty. Follow-up testing may be extended for up to 60 months following return to duty.
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Drugs Screened in DOT Urine Test

Urine drug testing, such as our Texas lab provides, is required for DOT compliance and all urine specimens are analyzed for the following drugs in a DOT drug test:

  • Marijuana (THC metabolite)
  • Cocaine
  • Amphetamines
  • Opiates (including heroin)
  • Phencyclidine (PCP)

The FMCSA has some additional rules that prohibit the use of legally prescribed controlled substances (such as barbiturates, amphetamines, morphine, etc.) by safety-sensitive drivers involved in interstate commerce. Our Texas lab has all the rules and regulations streamlined to better help your Texas, Texas business stay federally compliant with all DOT regulations.

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Our Alcohol Test Methods

All DOT testing rules require one of the following methods of alcohol testing:

  • Saliva (Simple Mouth Swab)-
    Similar to blood alcohol testing, saliva alcohol testing, such as our Texas lab provides, is the most accurate way to determine current intoxication.
  • Breath (Breathalyzer)-
    Estimates blood alcohol content through breath and is the most common and instant method of measuring alcohol content in body and is one of the most popular tests our Texas lab provides.

When working with Quicktest Labs, employers can rest assured that the required detailed records of testing programs will be fully compliant and ready for inspection for when the FMCSA conducts audits of employers' program. Additionally, Quicktest Labs will help prepare annual calendar year summary reports for th FMCSA which will be used to monitor compliance and enforcement of the rules.

Why Use Quicktest Labs for DOT Compliance?

  • Certified Texas DOT Test Lab Technicians- Our Texas staff is certified for BAT in accordance with 49 CFR Part 40 of the U.S.
  • Our Texas DOT Testing Staff- Confidentiality, reliability, and professionalism by our Texas dna testing staff.
  • Fastest Service & Rapid DOT Test Results- At our Texas DOT test lab, you will be served within 5 min of your arrival. On most tests, you get immediate results. On lab tests, your results will be ready in less than 24 hours.
  • Cleanest DOT Testing Labs- Our Texas DOT drug and alcohol testing labs are the cleanest and most comfortable labs around
  • Best DOT Lab Test Customer Service- Our friendly Texas DOT drug and alcohol test customer techs are top notch and they have the highest customer service ratings in Texas and in the industry overall.
  • Affordable Texas Pricing- Our Texas DOT test lab will strive to meet or beat any competitor's pricing!

Our Services

DOT Employer Services in Texas, Texas

Since burden falls to the employers to provide detailed information about alcohol misuse, the employers' policy, the testing requirements, and how and where drivers can get help for alcohol abuse, Quicktest Labs has special programs designed to assist Texas employers with all their DOT employee training. Supervisors of safety-sensitive drivers must also attend at least one hour of training on alcohol misuse symptoms and indicators used in making determinations for reasonable suspicion testing.

Quicktest Labs provides all the required DOT policy compliance training as well as ensuring that the employer has accurate records and is fully compliant with all the testing rules.

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