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The Reliable Results You Need, When You Need Them Drug, Alcohol,
and DNA Testing
Fastest Labs NW San Antonio
Today's Hours: 8:00 AM - 5:00 PM See More Hours
5718 University Heights Blvd
Suite 105, San Antonio, TX 78249
(210) 361-6497
*We will be closed on 5/30* Walk-ins Welcome! After hours and post-accident 24/7 service available.


Fast, Accurate Drug & DNA Tests Near You

Need to verify the paternity of your child? Looking for court-admissible post-accident alcohol testing? Interested in setting up an ongoing random employee drug testing program? Fastest Labs NW San Antonio can help you with all of these and more!

With a decade of experience in the industry, our testing lab is able to provide a wide range of drug testing, alcohol testing, DOT testing, DNA paternity testing, and other DNA testing services in Northwest San Antonio and beyond. We can even help you create, implement, and manage a drug and alcohol policy for your workplace that is compliant with Department of Transportation regulations.

Looking for reliable testing services near you? Reach out to us online or call (210) 361-6497 to get started.

Drug Testing Services

Our medical testing lab provides drug testing near you. We offer a wide range of services, including urine, saliva, and hair follicle tests for both individuals and employers. Our experienced team of professionals is available to answer any questions you may have about the process or results. We strive to provide fast turnaround times on all drug, dna and blood tests so that our clients can get their results quickly and accurately.

What sets our testing lab apart?

  • Multiple testing methods
  • Short waiting times
  • Instant test results
  • Complete accuracy
  • Certified collectors
  • Clean, comfortable facilities
  • Mobile, on-site testing
  • Affordable pricing
  • Superior customer service

Looking for reliable testing services near you? Reach out to us online or call (210) 361-6497 to get started.

How Reliable Is Laboratory Testing?

Laboratory tests are not something most people have a lot of familiarity with and understandable so, the question of how accurate tests such as DNA or drugs tests actually are is not something most people think about until the answers could impact their life.

Fortunately, labs that perform these types of testing’s are held to very high standards and strict regulations both at a state and federal level. This means, among other things, that the method by which test results are obtained have been tested for their accuracy and proven reliable.

It’s also important to note that not all lab testing facilities are created equal. Fastest Labs NW San Antonio adheres to strict protocols to ensure the most accurate results possible. Contact our team today to learn more about how we can help you!

For drug and DNA testing in San Antonio, call (210) 361-6497 or request an appointment online here!

Frequently Asked Questions (FAQs)

What Types of Drug Tests Do You Offer?

At Fastest Labs NW San Antonio, we offer various drug testing services, including urine, saliva, hair and more.

How Long Will it Take to Get the Results?

In most cases, we provide results a few minutes after the test is administered.

Although the majority of our tests provide instant results, we may need to perform further analysis on positive test results in order to confirm our findings. This can take an additional 24-48 hours.

Are All DNA Tests Admissible in Court?

Not all DNA tests are created equal.

Some DNA tests offered cost less and are not court admissible. However, Fastest Labs NW San Antonio offers a DNA testing option that is can be used in court.

Our court-admissible DNA tests are fast, accurate, and accredited by the AABB. Our company keeps close track to secure sampling and accuracy of our results.

What Types of Drug Testing Methods Do You Use?

Fastest Labs of Northwest San Antonio utilizes a variety of highly accurate testing methods. Saliva, hair, and urine are just a few.

What Other Types of Testing Do You Offer?

Fastest Labs NW San Antonio also provides:

  • Athletic drug and alcohol testing
  • Background checks/pre-employment screening
  • Court-admissible DNA, drug, and alcohol testing
  • DNA paternity test while pregnant and after birth
  • DNA testing for immigration matters
  • Government testing services
  • Military testing services for federal civilian employees
  • Military testing services for U.S. Coast Guard members

Visit our video center to see our technology and tour our labs.

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Check Out Our Special Offers

$10 Off Paternity Test
*New clients only. Applies to legal paternity test only. Not valid with any other offer. Must print coupon to redeem.
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Experience the Fastest Labs Difference

Reliable, Easy San Antonio Lab Testing Services

At Fastest Labs, we work hard to provide the fastest, friendliest, and cleanest testing lab in NW San Antonio. We not only provide top-quality paternity, employee, drug, alcohol, and DNA testing services, we also offer unparalleled customer service and personalized attention.

Our team of certified professional collectors is able to handle a wide range of testing services, including complicated matters involving DOT compliance, legal admissibility, immigration DNA testing, DNA paternity testing while pregnant, and more.

Our services are always discreet and non-invasive. We take the utmost care to protect your confidentiality concerns.

Employer Drug Testing In San Antonio

As an employer, you are always faced with the task of maintaining a safe and drug-free workplace. To confidently achieve this goal and combat any potential problems, Fastest Labs NW San Antonio provides quality employer drug and alcohol testing services tailored to your specific needs, whether it be pre-employment screening or random drug testing throughout the year.

Additionally, we also provide DOT-compliant drug and alcohol testing services. Our experienced staff is committed to providing a fast turnaround and accurate results while maintaining strict privacy protocols. With our help, you can rest assured knowing your workplace is held up to the highest standard at all times.

For employer drug testing services, including DOT-compliant testing, reach out to our team today! Contact us online or call (210) 361-6497.

About San Antonio, TX

With origins as a Spanish mission and colonial outpost that extend back to 1718, San Antonio is one of the oldest communities in Texas. It is the site of the infamous 1836 Battle of the Alamo, where a small force of Texians and Tejanos attempted to defend the Alamo Mission from reclamation by Mexican troops. More than 2.5 million people come to San Antonio to visit the Alamo every year.

Today, San Antonio's thriving economy, relaxing way of life, and affordability have made it one of the fastest-growing cities in the country. As of 2021, approximately 1.45 million people live in San Antonio. The city's top draws include the Natural Bridge Caverns, San Antonio Missions National Historical Park, and San Antonio River Walk.

Looking for drug and DNA testing in NW San Antonio? Contact us at (210) 361-6497 today to find out how we can help!

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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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