Drug Screen

Download a Test Sheet

View an informational sheet on a drug screen to share with family and friends.

DLO Direct Self-Ordered Lab TestsUrine drug testing detects the presence of certain illegal drugs and prescription medications. Urine drug screening detects recent drug use in the previous 24 to 72 hours, but detection times can vary depending on the type of drug that was used.

Why does someone need a drug screen?

Urine testing is suitable for a variety of purposes including pre-employment screening or to detect a potential substance abuse problem. If you have suspicions that a friend or family member may have a drug problem, you may consider asking them to be tested. You may wish to talk to your family doctor prior to testing to advise you on how to follow up if the test result is positive for drug use.

What drugs does the screen detect?

The urine screen tests for the following drugs:

  • Amphetamines
  • Barbiturates
  • Benzodiazepines
  • Cannabinoids/Marijuana
  • Cocaine
  • Opiates
  • Phencyclidine ("PCP")

What are some signs or symptoms of drug use?

A person exhibiting some of these symptoms may suggest drug use:

  • Agitation
  • Depression
  • Enlarged or small pupils
  • Changes in blood pressure
  • Drowsiness
  • Difficulty breathing
  • Nausea
  • Seizures
  • Slow or slurred speech



To order your own lab tests, you just need to follow these three easy steps:

  1. Complete a lab order form for your test online and print it out to take with you to the DLO Patient Service Center. Follow the instructions on the laboratory test order form if fasting is required for the testing you are ordering.
  2. Visit any DLO Patient Service Center throughout Oklahoma. Check in with our friendly staff and give them your completed order form. Full payment is due at time of service before sample collection is performed. Note that we accept all major credit cards and checks. Unfortunately, we cannot accept cash payments. Have one of our skilled phlebotomists draw a blood sample or take a urine sample, who will send your sample to our laboratory for testing.
  3. Create a MyQuest™ account and view your test results through the MyQuest online patient portal. Test results are available through MyQuest within 7-10 business days of completing your lab work.


It is always recommended you meet with a healthcare provider to determine what your laboratory test results mean to you. Your healthcare provider will review all of your test results and, combined with your health history, will be able to provide an accurate picture of your health status.

If your results were postive: It is important to understand a positive drug screen may require follow-up confirmatory testing. Homeopathic medications, prescription drugs and some over-the-counter medication may produce a false positive screen by cross-reacting with a specific drug class. Your healthcare provider can provide next-step guidance for a positive drug screen.

If your results were negative: A negative test result does not necessarily mean the person did not take a drug at some point. The drug may be present but below the established threshold, the drug may have already been metabolized, or the test method does not detect the particular drug in the provided urine sample.

What other resources are available to learn more about my health and laboratory tests?

DLO Direct™ offers direct access to laboratory testing for informational purposes only. A DLO Direct lab test result is not a medical diagnosis and is not intended as medical advice. Only a healthcare provider can interpret lab results and diagnose a medical condition or disease.

Because tests have not been ordered by a healthcare provider, third party entities, including Medicare and Medicaid, will not reimburse for these tests.