DOT lab based urine specimens are sent to a SAMSHA certified laboratory and must be the extended 5-panel test, as required by the Department of Transportation, for employees working in a safety-sensitive position.

Company authority testing can also be accomplished with a lab based urine test.

There are some situations where instant urine drug screening is necessary. Preliminary results are known immediately while confirmations for non-negative results must go to an approved lab. Instant drug screening is not approved for DOT required testing.

Our FSE Drug and Alcohol Compliance Center offers a wide range of drug testing services. For more information, visit




Location : 2699 SE Loop, Carthage, TX 75633
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