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Fastest Labs SE San Antonio
The Reliable Results You Need, When You Need Them Drug, Alcohol, and DNA Testing
Fastest Labs SE San Antonio
Fastest Labs SE San Antonio
6021 Rittiman Plaza San Antonio, TX 78218
(210) 981-3898 Se habla Espanol
  • Today's Hours: 8:00 AM - 5:00 PM
  • Fastest Labs SE San Antonio
    • Monday
      8:00 AM - 5:00 PM
    • Tuesday
      8:00 AM - 5:00 PM
    • Wednesday
      8:00 AM - 5:00 PM
    • Thursday
      8:00 AM - 5:00 PM
    • Friday
      8:00 AM - 5:00 PM
    • Saturday
    • Sunday
    Walk-ins Welcome!
    After hours and post-accident
    24/7 service available.
Walk-ins Welcome!
After hours and post-accident
24/7 service available.

Drug & DNA Testing in San Antonio, TX

Clean, Fast Testing & Reliable Results

Looking for a testing lab in San Antonio? At Fastest Labs SE San Antonio, we proudly offer a complete range of drug, alcohol, and DNA testing for individuals, businesses, government agencies, and other organizations.

Whether you are interested in learning more about your personal ancestry, would like to establish an ongoing random drug testing program for your employees, or even need court-admissible testing for a legal proceeding, Fastest Labs SE San Antonio is here to help.

Searching for a reliable DNA or drug testing lab near you? Book your appointment online or by call us at (210) 981-3898.

Why Choose Fastest Labs SE San Antonio?

We are committed to providing fast, accurate test results in our clean, state-of-the-art lab facilities.

Our friendly and professional staff can assist you throughout the entire process, answering your questions and finding the testing solution that suits your specific goals.

When you trust your drug, alcohol, or DNA testing services to us, you can count on:

  • Clean labs and mobile, on-site testing facilities
  • Friendly and professional staff members
  • Fast, non-invasive testing methods
  • Certified, accurate test results
  • Complete confidentiality and discreet testing
  • Affordable rates, including online offers

In most cases, the results of your test will be available almost immediately.

While we do recommend additionally testing for any positive alcohol or drug test results, which can take up to a few days, we work to provide the results of any test within 24 hours.

Visit our video center to see our technology and tour our labs. To schedule your drug or DNA test, call us at (210) 981-3898.

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Call (210) 981-3898 today to learn more about our testing services in San Antonio. You can also request an appointment online with us!
Check Out Our Special Offers
  • Special Offer
    $5 Off Breath Alcohol *New clients and personal testing only. Not valid with any other offer. Must print coupon to redeem.
  • Special Offer
    $5 Off Hair Test *New clients and personal testing only. Not valid with any other offer. Must print coupon to redeem.

Your Simple Testing Solution

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

Drug & DNA Testing Lab Near You

Reliable, Easy San Antonio Lab Testing Services

When it comes to a random drug test, post-accident alcohol test, paternity testing, immigration DNA test, or any other personal testing service, you want to be completely sure that the results are accurate, as the outcome of your test can have lasting implications.

At our San Antonio testing lab, we are committed to providing you with the fastest, most accurate testing services possible. We make it our mission to go above and beyond for our clients in order to ensure that your experience with us is a pleasant one.

Our testing services include:

Request your drug or DNA test today by contacting us online or dialing (210) 981-3898. Our tests are quick, accurate, and private.

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Request an appointment online or call (210) 981-3898 today!
We look forward to assisting you.
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.
Our Partners
  • Quest Diagnostics
  • Lab Corp
  • DISA
  • Alere
  • Omega Labs
  • Medtox Laboratories
  • ExperTox
  • Clinical Reference Laboratory
  • Psychemedics
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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8:00 AM - 5:00 PM