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The Reliable Results You Need, When You Need Them Drug, Alcohol,
and DNA Testing
Fastest Labs of South Austin
Today's Hours: 9:00 AM - 12:00 PM See More Hours
4422 Packsaddle
Suite 105, Austin, TX 78745
(512) 580-7909
*We will be closed 11/25 & 11/26* Walk-ins Welcome! After hours and post-accident programs available.


Quick & Reliable DNA Testing Lab in Austin, TX

For quick and reliable Austin drug testing, Fastest Labs of South Austin offers several types of tests in clean, comfortable facilities. We have delivered accurate results to businesses, students, parents, athletes, and many individuals for over a decade.

Several results can be obtained instantly at our onsite location, and we offer both same-day service and walk-in visits.

Whether you need expert drug or DNA testing in Austin, or even DOT testing, our certified professional collection agents are fully compliant with legal regulations, offering a variety of testing methods.

Depending on your unique needs, we offer the following methods for drug testing:

  • Urine
  • Hair
  • Saliva
  • Fingernail
  • Sweat/Skin
  • Specialty

To learn more about our drug testing in Austin or schedule your appointment, give us a call at (512) 580-7909.

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Check Out Our Special Offers

$10 Off DNA Test
Not valid with any other offer.
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DNA Testing & Paternity Testing in Austin

At Fastest Labs of South Austin, we understand how important accurate DNA testing is. Most DNA testing uses cheek swabbing as a reliable, non-invasive procedure to confidentially receive results.

Our certified collectors can help you determine the right testing method for your specific needs, answering any questions you may have. Visit our video center to see our technology and tour our immaculate labs.

Our unparalleled DNA testing includes:

  • Paternity
  • Maternity
  • Immigration Procedures
  • Personal Genealogy
  • Genetic Reconstruction
  • Twin Zygosity
  • Forensic Services
  • Early Gender Detection

How Do You Check the Paternity of a Child?

There are a couple of way to determine the paternity of a child. One method is blood can be drawn from the father and child. If you are looking for something less invasive, then a cheek swab can be done with the same reliability.

About Austin, TX

First settled in 1835 and incorporated in 1839, Austin is now the capital of Texas and the fourth-most populous city in the state. Austin has always been synonymous with music, but the city has diversified, contributing to its ongoing growth and success.

For outdoor enthusiasts, Austin has no shortage of parks and open spaces for hiking, boating, biking, and more. The city offers unmatched shopping experiences, museums, and every type of cuisine imaginable.

It is also home to the University of Texas at Austin, which had nearly 52,000 students enrolled in 2021. Lady Bird Lake, Downtown Austin, and Zilker Park are all popular spots in Austin.

For DNA testing in Austin, contact us online or call (512) 580-7909. We welcome walk-ins!

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Our Partners

  • Laboratory Corporation of America
  • Quest Diagnostics
  • Omega Labs
  • Clinical Reference Laboratory
  • DISA

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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