Alcohol & Drug Testing

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Urine drug tests and alcohol blood tests help clinicians monitor each patient's progress during treatment. These tests alert the clinician to potential relapse problems and provide valuable feedback to patients.

Biomarker tests for excessive alcohol use include gamma glutamyltransferase (GGT) and, a newer test, carbohydrate deficient transferrin (%dCDT). These are simple blood tests that can indicate if a patient has been drinking over the recent past. For example, if %dCDT test results are high, this indicates that a patient has probably been drinking at least 5 standard alcoholic drinks per day for the past two weeks or longer. The %dCDT test is correct in identifying heavy drinking in 7 out of 10 individuals.

Alcoholism: Carbohydrate Deficient Transferrin Test - Part I (mp3)


Alcoholism: Carbohydrate Deficient Transferrin Test - Part II (mp3)


Testing for specific drugs is conducted via urine samples. Testing can be conducted on the presence of amphetamine, methamphetamine, barbiturates, benzodiazepines, cannabinoid, cocaine, opiates and PCP.

To find out more about drug and alcohol testing, visit the Clinical Neurobiology Laboratory Web site for detailed information of services.

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