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Drug Testing
Fastest Labs
5718 University Heights Blvd. Suite 105, San Antonio, TX 78249
(866) 310-3323
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Walk-ins Welcome!
After hours and post-accident
24/7 service available.
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Drug Testing

Quality Services at Affordable Rates: (866) 310-3323

At Fastest Labs, we offer reliable drug testing services to individuals and employers at affordable prices. We’re proud to be a national leader in drug testing services and it’s no accident that we have the highest customer satisfaction rating in the industry. Whether you need a test on urine, hair, saliva, and more, you can rely on our certified collectors and ISTA certified labs for fast, accurate results. In most instances, the results of your drug test are available immediately with additional time to verify any positive results. Not sure which test is right for you? Our certified collectors are happy to answer any questions you may have and address your concerns. Visit our state-of-the-art labs today for quality testing services backed by more than a decade of experience.

Get Seen in as Little as 5 Minutes! Call Our Team Today (866) 310-3323.

Request An Appointment

Walk-ins and same day appointments are welcome!
Please call to inquire about weekend and after-hour appointments.

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Industry-Leading

Find out What Makes us different

  • Low Franchise Fee
  • Certified Collectors
    If it needs a certification, we’ve got it! Our collectors not only provide top-quality service but are certified to handle a wide range of testing solutions.
  • Comfortable Facilities
    We’re unlike any testing experience you’ve ever had. Our Labs are the cleanest in the industry, ISTA certified, and designed for your comfort.
  • Fast Test Results
    We’re committed to providing you with the fastest results in the industry. In most cases, test results are available in mere minutes!

Your Simple Testing Solution

  • 1
    Request Your Appointment
  • 2
    Visit Your Nearest Fastest Labs
  • 3
    Quickly Receive Your Test Results
Why Us?

Hear From Our Customers

  • “Clean facilities, professional employees, and great customer service. Would definitely recommend!”
    - Aaron J.
  • “Super fast and really clean. The staff was very friendly and helpful.”
    - Kay M.
  • “Great experience. Friendly people and extremely fast. Great pricing.”
    - Frank H.
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Confidential
Request An Appointment

Walk-ins and same day appointments are welcome!
Please call to inquire about weekend and after-hour appointments.

  • Please enter your first name.
  • Please enter your last name.
  • Please enter your phone number.
    This isn't a valid phone number.
  • Please enter your email address.
    This isn't a valid email address.
  • Please enter your date of service.
    Selected date must be in the future. Please select a different date.
  • Please select a desired time.
  • * indicates required field