21081 S. Western Ave. Suite 150, Torrance, CA 90501

Western Medical Group

Drug Testing

Western Medical Group performs drug and alcohol in accordance with the most stringent testing and training methods and using the most sophisticated state-of-the-art equipment.
We perform:

  • NIDA and NON-NIDA drug & alcohol testing
  • DOT compliance testing
  • MRO Services
  • Random Notifications
  • Audit Support
  • Compliance Reports
  • SAP Referrals

Types of Testing

There are several methods used to test for the presence of controlled substances. Western Medical Group offers urine testing, hair testing and breath alcohol testing.

Urine and hair testing use an initial screen called EMIT, which is an enzyme immunoassay. Immunoassays use antibodies to detect drugs. When drugs are detected, a second method called GC/MS (Gas Chromatography/Mass Spectometry) is used to confirm the presence of a specific drug or drugs.

Urine Testing

Urine testing is the most widely accepted, legally defensible form of drug testing. Urine testing is the only acceptable method of testing for government-mandated drug testing. Most urine tests will detect the presence of drugs if the donor was exposed in the previous three to five days. The majority of employers who test use a five-panel drug screen because it mirrors the government-mandated tests.

Hair Testing

Hair testing is a form of testing that not only detects drug abuse but also provides information on the historic pattern of drug use. Laboratories certified to provide hair testing claim the ability to detect the presence of drugs for up to the previous 90 days. Hair tests typically test for five drugs.

Evidential Breath Testing

Breath alcohol testing uses an evidential breath testing (EBT) machine. An EBT is a device that measures alcohol concentration in the breath. This device must meet government specifications for precision and accuracy. An initial screening test is collected. If the results are .02 or greater, a deprivation period is observed and a second confirmation test is collected. The results of the confirmation test are the ones released to the employer.

Medical Review Officer Evaluation (MRO)

If there is a confirmed positive drug screen result, a certified Medical Review Officer (MRO) is available to review the result with the donor. The MRO is trained to offer an educated opinion on whether the test result was positive or was negative due to the legal or legitimate presence of a controlled substance.