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San Antonio Drug, Alcohol, DOT & DNA Tests

At Fastest Labs of San Antonio, we provide certified, professional DNA testing, drug testing, DOT and alcohol testing services for employers and individuals.

At Fastest Labs of San Antonio, testing is all we do. Our San Antonio lab techs are experts in obtaining and analyzing samples in the most professional, affordable, and efficient way possible. No matter the test you need or the reason you need it, our San Antonio lab can handle it. Below, you'll find descriptions of a few of the types of lab testing our San Antonio lab performs, but this list is by no means comprehensive. For information on special tests and other requested services, please contact us at our San Antonio location. Walk-ins and same day appointments are also welcome. Most tests are instant tests with results as fast as 5 minutes. Call our testing lab today for any questions about Drug, Alcohol, DNA or DOT testing in San Antonio, Texas.

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Certified Drug Testing

Our Certified Drug and Alcohol Screening Services in San Antonio

We provide San Antonio drug, alcohol, and DNA testing for both private and legal purposes. Our drug and alcohol testing locations in San Antonio are certified collection labs who can provide drug testing by way of urine, hair, saliva, fingernail, sweat / skin, DOT, environmental, and steroids. Our San Antonio drug test panels also have a broad range to screen against the most basic drugs up to screening for a full array of drugs.

We provide San Antonio drug and alcohol screening services for both individuals as well as employers. Please contact a San Antonio alcohol or drug screening location nearest you to find out more about our testing services.


 Certified Drug Testing Services in San Antonio

Drug Testing in San Antonio

Most Popular Drug Tests in San Antonio

Whether for employers or individuals, our San Antonio drug testing services are fast, affordable, and certified. There's no point in testing, if you can't trust your results. That's why our San Antonio lab meets or exceed industry best-practices for obtaining and analyzing test samples.

With Fastest Labs of San Antonio, you can always know your drug test results are reliable and certified. Our San Antonio lab offers a wide variety of drug testing methods and procedures. Visit our San Antonio drug testing page for more information.


 Certified Alcohol Testing Services in San Antonio

San Antonio Alcohol Testing Services

Most Popular San Antonio Alcohol Tests

At Fastest Labs of San Antonio, we conduct certified alcohol lab testing with the highest level of professionalism and accuracy. No matter your reasons for seeking testing, and whether you’re an employer, family member, or the one being tested, with Fastest Labs of San Antonio, you know you can trust your certified results, and that makes all the difference.

Our San Antonio certified alcohol testing lab staff are skilled alcohol testing technicians who are equipped to conduct alcohol testing according to DOT regulations in San Antonio and nationwide, if needed. Our San Antonio lab always follows industry best practices to make sure you get accurate alcohol test results fast.

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 Legal DNA Testing Services in San Antonio

DNA Testing San Antonio

Most Popular San Antonio DNA Tests

DNA test results usually carry important news. That's why our San Antonio DNA test lab takes care to make sure our results are the fastest and most reliable DNA test results you can obtain in San Antonio or anywhere else. Our San Antonio DNA test lab handles all of our DNA testing samples with the utmost confidentiality and discretion, so you can know that important information about you isn't compromised. No matter your reason for doing the testing, you can know that your DNA test results will be accurate and will get to you fast and discreetly, all managed by our San Antonio DNA test lab. Check out our San Antonio DNA testing page for more information about the different types of DNA testing our San Antonio lab provides.

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 DOT Test 
Compliant Services in San Antonio

DOT Drug Test San Antonio

Most Popular San Antonio DOT Services

One of our testing specialties at Fastest Labs of San Antonio is providing DOT-compliant drug testing services to San Antonio employers who are required to comply with drug & alcohol testing for their drivers and employees here in San Antonio as well as nationwide. Our San Antonio DOT drug testing lab has experience handling every step of the DOT-compliance testing process for your San Antonio business. By partnering with our San Antonio DOT drug test lab, you can ensure that your organization is protected against Federal and Texas State regulatory penalties and that your drivers are tested in the most reliable and efficient way possible. Check out our San Antonio DOT-compliance page to learn more about the ways our San Antonio lab makes the entire DOT-compliance process as simple as it can be for you and your employees here in San Antonio as well as nationwide.

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Current San Antonio Promotions

$10 Off Paternity Test!
Applies To Legal Paternity Test Only.
$5 Off Hair Test!
Get $5 off your next Hair Follicle Drug Test.

Why Choose Fastest Labs of San Antonio?

  • Certified San Antonio Lab Technicians

    All Fastest Labs of San Antonio drug test and DNA testing lab techs are certified professional test collectors as well as certified professional breath and DOT alcohol screening technicians. Learn More

  • Cleanest San Antonio Testing Facilities

    Our San Antonio drug, alcohol and DNA testing labs are the cleanest and most comfortable labs in San Antonio. Learn More

  • Fastest Service in San Antonio & Rapid Test Results

    You will be served within 5 min of your arrival. On most tests, you get immediate results. On lab tests, your results will be ready in less than 24 hours. Learn More

  • Best San Antonio Lab Test Customer Service

    Our friendly San Antonio drug test customer techs are top notch and they have the highest customer service ratings in the industry. Learn More

  • Affordable San Antonio Pricing

    We have competitive pricing!

Contact Our San Antonio Lab Today!

San Antonio Employer Solutions

Employee Drug Test Solutions

Need to implement your drug test and alcohol testing policies for your San Antonio employees? Fastest Labs offers the most comprehensive coverage for drug testing and alcohol testing and programs that can be customized, designed and implementation for your company and employees. Call today to find out how you can have a drug-free workplace with Fastest Labs San Antonio!


Fastest Growing Lab Testing Franchise!

The Fas-Tes® franchise (owner of FastestLabs.com) is one of the fastest growing 3rd party collection drug, alcohol and DNA lab test franchises in the nation. With explosive demand, the drug, alcohol, and DNA testing industry has quickly become one of the fastest growing industries in the world. 

Find out how easy it is to join Fas-tes® in owning your own business today!

Certified Drug Testing San Antonio

Approved Collection Sites For:

Please check with the lab nearest you as our San Antonio locations each have their own set of affiliations

eScreen Collection Site San AntonioDISA Collection Site San AntonioQuest Collection Site San AntonioLabcorp Collection Site San AntonioExpertox Collection Site San AntonioClinical Reference Laboratory San AntonioOmega Collection Lab San AntonioAlere Collection Lab San AntonioMedtox Collection Lab San AntonioDISA Collection SIte San AntonioPsychemedics Corporation San Antonio