Drug Abuse Survey With Confirmation, Urine

        - The drug abuse survey with confirmation was set up to test for and confirm (gas chromatography / mass spectrometry [ GC/MS ]).
        - The test uses chromatographic and immunologic testing for drug by class.
        - This test screens for the presence of alcohol, amphetamine, barbiturates, benzodiazepines, cocaine metabolites, opiates, phency, and tetrahydrocannabinol in urine.
        - The test does not screen for other drug classes.
        - More comprehensive screening is available using the plasma or urine drug screens.
Useful For
        - Detecting drug abuse involving alcohol, amphetamines, barbiturates benzodiazepines, cocaine, marijuna, opiates, and phencyclidine.
        - The test is intended to be used in a setting where the test results can be used definitively to make a diagnosis.
        - This test uses the simple screening technique described under "Drug Abuse Survey, Urine" however all positive screening results are confirmed by GC/MS before a positive result is reported:
                - All positive results of testing are reported quantitatively by GC/MS.
        - This test represents the coupling of the "Drug Abue Survey,Urine" with an automatic confirmation of all positive results by the definitive assay available and described elsewhere in "Amphetamines,Urine".
Interpretation
        - A positive result derived by this testing indicates that the patient has used one of the drug detected by this technique in the recent past.
        - As general guidelines:
                - Alcohol may be present in urine for 12 hours after last use.
                - Amphetamines may be present in urine for 2-3 days for after last use.
                - Barbiturates may remain in urine for up to 30 days after last use.
                - Benzodiazepines may be found in urine for up to 40 days after last use.
                - Cocaine and metabolites may be present in urine for 4 days after last use.
                - Marijuana metabolites may be found in urine for 30-60 days after last use.
                - Opiates may be found in urine for 6-8 days after last use.
                - Phencyclidine may be in urine for 2-3 days after last use.
                - More detail on each drug group may be found in the specific test designed for that drug group (e.g., "Amphetamines, Urine.)