Drug Testing Services in St Louis

Two Easy Ways to Schedule your Drug Test Today:

Online Ordering with Fast Same Day Service:

Call today for testing locations:

Drug testing has become a critical requirement in work and court settings. National Drug Screening is committed to providing efficient drug testing services that prioritize safety, compliance, and well-being for St. Louis residents and businesses.

Available Drug Testing Services

St. Louis is a major transportation hub where public safety matters on and off the road. Our wide range of drug testing services aims to keep drivers and pedestrians safe and cater to the diverse needs of St. Louis locals.

Below are some service options we offer:

  • DOT-compliant testing
  • Non-DOT testing
  • Medical Review Officer (MRO) verification
  • Workplace and individual drug testing programs
  • Court-ordered testing
  • Immediate, same day testing
  • Collaboration with SAMHSA-certified laboratories

Common Drug Test Panels

National Drug Screening offers a variety of drug test panels designed to accurately detect both recent and long-term drug use. Popular drug test panels include urine and hair follicle testing, with urine being the most widely used.

Urine drug tests have a high accuracy rate and the ability to detect recent drug use. Hair follicle tests have a wider detection window and can identify long-term drug use. Understanding the distinctions between each panel aids in selecting the most suitable option.

Local Drug Testing Services in St. Louis, MO

Creating a drug free environment is a shared responsibility for businesses and individuals. By investing in professional drug testing services, you contribute to a safer and healthier community for all St Louis, MO residents.

To learn more about your options, call our toll-free number at (866) 566-0261.

FAQ About Drug Testing Services

What drugs show up in a drug screening test?

Common drugs that show up on drug screening tests include marijuana, cocaine, opiates, amphetamines, benzodiazepines, methamphetamines, barbiturates, and phencyclidine (PCP).

Below are the detection windows for each drug:

  1. Marijuana: One of the most well-known substances to appear on a drug screening test, marijuana can linger in the body for several days or even weeks depending on the frequency of use.
  2. Cocaine: Cocaine, a powerful stimulant, can be detected for a few days after use.
  3. Opiates: Opiates, including heroin and prescription pain medications like oxycodone, can show up on drug tests for up to a few days.
  4. Amphetamines: Drugs like amphetamines, which include prescription medications like Adderall, typically remain detectable for a few days.
  5. Benzodiazepines: Benzodiazepines, such as Valium or Xanax, can be detected for up to a few days after use.
  6. Methamphetamine: Methamphetamine, a powerful and highly addictive stimulant, can be identified in drug tests for a few days.
  7. Barbiturates: Barbiturates, which were once commonly prescribed for sleep disorders, can be detected for a few days.
  8. Phencyclidine (PCP): PCP, also known as Angel Dust, can appear on drug tests for a few days after use.


It’s important to note that different drug test panels screen for certain substances. Some tests may include additional drugs, such as synthetic cannabinoids or hallucinogens.

Although each drug test panel identifies specific types of illicit drug use, they all play a crucial role in helping to maintain employee safety and sobriety.

Two Easy Ways to Schedule your Drug Test Today:

Online Ordering with Fast Same Day Service:

Call today for testing locations: