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Fastest Labs NW San Antonio
The Reliable Results You Need, When You Need Them Drug, Alcohol, and DNA Testing
Fastest Labs NW San Antonio
Fastest Labs NW San Antonio
5718 University Heights Blvd Suite 105, San Antonio, TX 78249
(210) 361-6497 Se habla Espanol
  • Today's Hours: 8:00 AM - 5:00 PM (Walk-ins Welcome!)
  • Fastest Labs NW San Antonio
    • Monday
      8:00 AM - 5:00 PM (Walk-ins Welcome!)
    • Tuesday
      8:00 AM - 5:00 PM (Walk-ins Welcome!)
    • Wednesday
      8:00 AM - 5:00 PM (Walk-ins Welcome!)
    • Thursday
      8:00 AM - 5:00 PM (Walk-ins Welcome!)
    • Friday
      8:00 AM - 5:00 PM (Walk-ins Welcome!)
    • 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.


Fast DNA, Drug & Alcohol 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!

With a decade of experience, our San Antonio testing lab provides 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 test policy for your workplace that is compliant with Texas DOT regulations.

Looking for reliable drug and DNA testing in San Antonio? Reach out to us online or call (210) 361-6497 to get started.

Our San Antonio DNA & Drug Testing Services

Our medical testing lab provides drug testing in San Antonio. We offer urine, saliva, and hair follicle drug tests for both individuals and employers. 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 San Antonio 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

Reliable Laboratory Testing in San Antonio, TX

Laboratory testing, including DNA and drug tests, is a subject that often goes unnoticed until it directly affects our lives. When conducted by professional laboratories, tests are more reliable due to stringent state and federal regulations. These regulations ensure that testing methods are thoroughly evaluated for accuracy and proven to be dependable.

At Fastest Labs NW San Antonio, we take care to follow rigorous protocols that guarantee regulatory compliance and the most precise results.

To learn more about our approach to San Antonio drug and DNA test services, call (210) 361-6497 or request an appointment online!

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Call (210) 361-6497 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

Reliable San Antonio, TX

Lab Testing Services

Experience the Fastest Labs® Difference

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, but 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 complex matters involving DOT compliance, legal admissibility, immigration DNA testing, DNA paternity testing while pregnant, and more. Our services are always discreet and non-invasive.

Employer Drug Testing in San Antonio

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

Our experienced staff is committed to providing a fast turnaround and accurate results while maintaining strict privacy protocols. You can rest assured your workplace is held to the highest standard at all times.

For trusted employer drug testing services in San Antonio, including DOT-compliant testing, reach out to our team today!

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Request an appointment online or call (210) 361-6497 today!
We look forward to assisting you.
Why Us?

Hear From Our Customers

  • “If you live close to a Fastest Labs location, they're your best option for any kind of lab testing service.”
    - Christian P.
  • “Staff is very friendly and helpful and it is fast/easy”
    - Tatum Vanderpool
Our Partners
  • Psychemedics
  • ExperTox
  • Clinical Reference Laboratory
  • Quest Diagnostics
  • Lab Corp
  • DISA
  • Alere
  • Omega Labs
  • Medtox Laboratories
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