Analytical Tox Lab Corp

We are a locally owned and operated Drug Testing Lab


Do you need to have the lab results provided today? Do you have a court case? Child Custody Case? You've come to the right place.

Whether you are an employer, a government agency, a private individual or a parent needing prompt, confidential and affordable Drug and Alcohol test results, Analytical Tox Lab Corp-previously known as Analytical Toxicology Corp- is ready to serve you. Drug Testing has never been faster or easier. No appointments necessary, walk-Ins are always welcome.

Don't trust your Drug Test Lab Results without confirmation? Let Analytical Tox Lab Corp get your Drug Testing done right.

We are a full service Drug Testing Lab that uses urine and hair samples to provide the most accurate drug and alcohol testing results. If you are a parent, you'll be glad to know we are Now offering Synthetic Drug Testing.

In business since 1996 and locally owned and operated, Analytical Tox Lab Corp knows the challenges employers face in hiring today's top-qualified individuals. To help employers with the new-hire drug testing process, we provide high-quality drug testing and FASTER turn around time at no additional cost to you (within 2 hours in most cases.)

By choosing our services, you will have: 

  • Accuracy
  • Confirmation by GC/MS
  • Fast-same day-lab results
  • A locally (Texas) owned Laboratory
  • A real Laboratory doing the actual lab work in-house
  • All drug testing processed by an analyzer 
  • Lower Fees
  • Better Technology
  • Qualified Lab Technicians
  • Reduced Legal Exposure
Problems with Probation? Analytical Tox Lab Corp provides faster and most accurate lab results at no additional cost to you.

Lab Office Hours
Our lab office hours are Monday through Friday 9:00 am to 5:00 pm. No appointments necessary,  Walk-ins are always welcome;  hardly any waiting time, it will only take a few minutes from the time you walk-in and your test is processed. This means you are able to return to work, school or your normal activities within a few minutes.

Do you need to order drug tests and need the lab results today?... NO PROBLEM! No Need for appointment, simply show up at our lab by or before 12:00 noon and your lab results will be provided within 2 hours. If you arrive at our office after 12:00 noon, your lab results will be ready the following business day. Quick, easy, painless and confidential. 

If you are an employer and are looking for a professional pre-employment or random Drug and Alcohol testing laboratory, you have found the ideal Laboratory. Try us today! You may visit us in person or simply call us: 210-692-4166 with your job candidate's or employees info (name and social) and the type of of test you want to order (i.e., 5 panel Urine Test, Hair Test, etc.) Our friendly staff will be glad to answer any questions you might have. Best of all, you will have your lab results within 24 hours (within 2 hours if your staff members show up at our lab by 12:00 noon) so quick and easy. We are certain you will be delighted with our services. 

Analytical Tox Lab Corp
4115 Medical Drive, Suite 500
San Antonio, TX 78229

Service inquiries Telephone: 210-692-4166

NOW OFFERING SYNTHETIC CANNABINOID DRUG TESTING. Also known as "K2", "Spice", "Spice Gold, "Black Mamba", "Red X Dawn" and "Yucatan Fire".

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                                                Proud Veteran Owned Business Member!

Due to COVID-19, all drug testing is processed BY APPOINTMENT ONLY.