Drug Testing Services in District of Columbia

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Drug testing is available in Washington, DC. For drug testing in Washington, DC for employers or individuals our national drug screen centers are open daily. Drug and alcohol testing is available with one phone call to set up a drug test today or to set up a drug testing account for your company. Click here to find an immediate testing location in your area.

If you need a drug test today, give us a call. National Drug Screening centers provide drug testing for court orders, probation, child custody cases, divorce cases, and more. Drug testing is available for individual testing or employer drug-free workplace testing. Drug testing is available with urine, hair, and oral fluid. Our programs test for K2. spice, bath salts, EtG, alcohol, hair testing, and other drugs of abuse. How long do drugs stay in your system?

  • Marijuana (thc) 50 ng/ml 15 – 30 days
  • Opiates (OPI) – (heroin, codeine) 2,000 ng/ml 2 – 4 days
  • Cocaine (COC) 300 mg/ml 2 – 4 days
  • Amphetamine (amp) – (Ritalin, Dexedrine) 1,000 ng/ml 2 – 4 days
  • Ecstasy (MDMA) 500 ng/ml 1 – 3 days
  • Methamphetamine (met) – (crystal meth) 1,000 ng/ml 3 – 5 days
  • Phencyclidine (PCP) 25 ng/ml 7 – 14 days
  • Barbiturates (bar) 300 ng/ml 4 – 7 days
  • Benzodiazepines (bzo) – (xanax, valium) 300 ng/ml 3 -7 days


There are no restrictions for drug testing in Washington, DC. Employers have the right to implement drug-free workplace drug testing. Post-accident drug testing is important for the ability to deny a workers’ compensation claim with the intoxication defense.

Employment Drug Testing for Marijuana – Washington, DC

There are restrictions with regard to testing for marijuana or taking adverse action for a marijuana positive drug test. Use caution and review Employer Concerns – Significant to Review in Washington, DC.

Drug testing and alcohol testing in Washington, DC. 

In the District of Columbia, DOT regulated companies are required to have drug testing programs. Random drug testing is required for DOT drug testing programs. For non-DOT or non-regulated DOT drug testing programs, it is advised that random testing be limited to safety-sensitive positions.  

In the District of Columbia, employees testing positive for drugs or alcohol can be fired or terminated. The employee can be denied unemployment benefits. A drug-free workplace in Washington, DC can save employers money.

It is important in the District of Columbia, that employers implement drug testing programs and drug-free workplace programs that include post-accident drug testing. National Drug Screening can provide 24/7 after hours emergency post-accident testing. Post-accident drug testing is important in Washington, DC as there is statutory language that provides for the denial of a workers’ comp claim when a worker tests positive after an accident. DC code 32-105 states “Liability for compensation shall not apply where injury to the employee was occasioned solely by his intoxication or by his willful intention to injure or kill himself.”

Drug testing in Washington, DC is conducted by the District of Columbia Department of Public Works headed up by Lottie Winters-Adona, and also by the DC Department of Human Resources headed up by Valerie Holcomb. Other providers of drug testing services in Washington, DC include Metro Lab LLC. National Drug Screening provides drug and alcohol testing services in Washington, DC.   

Drug and alcohol testing is available for individuals for all kinds of testing. If you need a drug test today, just give us a call. Immediate service for drug testing is available at our National Drug Screening centers in Washington, DC. Any individual needing a drug test for any reason can give us a call to schedule a drug test at our drug test facilities and patient service centers in Washington, DC. National Drug Screening works with SAMHSA certified laboratories – Medtox, LabCorp, Quest, CRL, and more. Both lab-based drug testing and instant testing are available. Instant drug testing is also known as point of collection testing (POCT) or on-site testing.

Drug-free workplace programs are available for employers in the District of Columbia for both non-DOT drug testing programs and DOT drug testing programs. HHS drug testing is also performed for employees of the federal government. For all of our drug testing services, SAMHSA certified labs are used including LabCorp, Quest Diagnostics, Medtox, Alere, CRL, and Redwood Toxicology.

DNA paternity testing is also available from national screening centers in Washington, DC. just one phone call and a paternity test can be set up with legal results in just a few days.

If you need a drug test today, call our National Drug Screening toll free number. Drug testing programs are available for all situations. Call today for fast, convenient, confidential service for all drug testing, drug screens, alcohol testing, and EtG testing.

For drug testing in Washington, DC for employers call now: 866-843-4545

For drug testing in Washington, DC for individuals for immediate testing, call now: 866-843-4545

Marijuana Laws for District of Columbia

Marijuana considerations are important and marijuana laws often update often, check out Marijuana in the Workplace.

Drug Testing Laws for District of Columbia

No two states have same the same drug testing State Laws – Check out state laws for Drug Testing.

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