Drug & Alcohol Testing Services

Offering Comprehensive and Legally Defensible Drug Testing Solutions

According to the 2013 National Survey on Drug Use and Health, of adults aged 18 or older and employed full-time, 9.1% are current illicit drug users. For those employed part-time, 13.7% are current illicit drug users. This means that of the 22.4 million current illicit drug users aged 18 or older, 15.4 million (68.9%) are employed either full or part-time.*

Does Texas MedClinic offer drug testing services?

As the use of illegal substances and drug abuse in the workplace becomes more and more prevalent, employers are seeking solutions such as drug screen testing for job candidates. Texas MedClinic understands the importance of employment drug testing and offers comprehensive, professional, and legally defensible drug testing solutions. All of our clinics offer Department of Transportation (DOT) and Non-DOT drug tests, as well as drug test “collection only” services.

Employers and businesses alike have access to a range of pre-employment drug tests, each offering a unique set of benefits. Texas MedClinic is proud to provide convenient, on-site drug and alcohol testing for future candidates and current employees without the patient ever having to leave the clinic.

For information about the most recent US DOT drug test update, read our blog article on opioid drug screening.

Benefits of using Texas MedClinic for drug testing services:

  • We use a National Institute of Drug Abuse (NIDA) approved lab for all drug testing services
  • Each clinic has a designated area for performing drug testing
  • Medical Review Officers are available to answer questions
  • Staff is DOT-certified and thoroughly trained in drug testing services
  • Client Service Representatives report results from drug tests, provide necessary documentation, and answer employer questions

Types of Substance Testing Services:

  • DOT Drug Tests
  • Non-DOT Drug Tests
  • Rapid, Same-Day Drug Tests
  • Urine/Hair Specimen Collections
  • Hair Drug Tests
  • Breath Alcohol Tests
  • Medical Review Officer Services
  • Special Drug Panels Available Upon Request

What to expect for drug and alcohol testing:

Texas MedClinic makes it a priority to ensure drug and alcohol testing procedures are convenient, affordable, and comfortable for our patients. Our providers and staff ensure the collection process is safe and protects your dignity and privacy.

Our on-site testing labs are generally the busiest in the very early mornings and then directly following general business hours, however, we have 24-hour clinics available and online check-in portal to make appointments at your convenience. Visits for drug and alcohol testing services, depending on how many patients are in line in front of you, should take approximately 20 to 30 minutes.

When preparing for your employment drug testing visit, you should bring:

  • Treatment Authorization Form from employer or health care professional requesting the required laboratory testing
  • A photo ID (i.e. driver’s license or employee identification)
  • A current insurance identification card (if not covered by employer). Look up which insurance carriers are accepted at Texas MedClinic
  • Credit card, debit card, or health spending account card (if not covered by employer)

Children must be supervised at all times at our labs. Please plan ahead for your visit.

Drug testing for legal or personal needs

To schedule a drug test for legal or personal needs, contact our Client Service Center at (210) 349-5577 x 7400.  A representative will set up the testing and notify the clinic of your choice. Results will be reported to the donor, lawyer or court authority as requested.


*US Department of Health and Human Services – Results from 2013 National Survey on Drug Use and Health: Summary of National Findings.

Urgent Care Online Check-In with Texas MedClinic

Love my experience with Michelle and Dr. Arturo G. Highly competent and definitely felt taken care of.

- Sidney H.
IH 35 N / Bass Pro Drive Clinic
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For those WITH COVID-19 SYMPTOMS or with other illnesses or injuries, please register online. If there are no available time slots, we most likely can still accommodate you, except late into the evening.
PLEASE WALK-IN.

We are still performing physicals, drug and alcohol testing, TB tests, and immunizations, please check-in online or walk-in to schedule a time slot.


For those WITHOUT COVID-19 SYMPTOMS, we created an Express Testing Service.
To better serve you during the high demand for COVID-19 testing, please follow these instructions:

  • You MUST Check-In Online. If all slots are filled (for the next 24 hours), we are not able to see you as a walk-in and will not perform a test.
  • If you Check-In Online and reserve a slot that is intended for the ill or injured and present to the clinic without symptoms for COVID-19 testing, we will turn you away.

For Texas MedClinic COVID-19 Rapid Testing Pricing please check the COVID-19 FAQ page for more information.


While we are working hard to support the community's need for testing, we continue to serve those who are ill and injured and who need Urgent Medical Care.