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Toxicology Screening

Eastern Laboratory Associates Toxicology Lab

What is a Toxicology Screen?

A toxicology screen (drug test or “tox screen”) looks for traces of drugs in your blood, urine, hair, sweat, or saliva.

A toxicology screen can be used to monitor your medical treatment plan. Your doctor could also order a toxicology screen if the patient is on a controlled substance, has mental health issues, or addition.

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How Does It Work?

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A toxicology screen or test cannot show if you have an addiction problem. It also cannot pinpoint how much of a drug you have used or when. It is only able to tell if certain drugs are (or have recently been) in your body.

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Long after you inhale, inject, or ingest them, legal and illegal drugs leave clues in your body. Traces of opiates are still in your urine a few days after you take them. Signs of marijuana can last up to 3 weeks.

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A toxicology test can screen for:

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Why Do I Need a Toxicology Screen?

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There are different reasons that you may need to have a drug screen. Your new job, school, or insurance policy could require it. Many sporting programs expect players to have one.

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Your doctor may also order this test if you:

  • Are in treatment for drug addiction

  • Show signs of substance abuse

  • Have problems with your mental health

  • Have been taking a controlled drug for a long period of time

 

A drug test can also be ordered for legal reasons. You may be required to take one if you have been accused of a crime. The same goes for many people who are on parole.

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