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


Clean, Fast Testing & Reliable Results

Looking for a testing lab in SE San Antonio? At FastestLabs®, 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. 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 drug or alcohol test results, which can take up to a few days, we work to provide the results of any test within 24 hours.

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SE San Antonio DRUG & DNA Testing

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 Fastest Labs SE San Antonio, 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.

Give us a call at (210) 981-3898 to learn more about our comprehensive personal testing services!

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Our Partners

  • ExperTox
  • Lab Corp
  • Clinical Reference Laboratory
  • Alere
  • Quest Diagnostics
  • DISA
  • Omega Labs
  • Medtox Laboratories
  • 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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