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Benzodiazepine, Urine (Screen)

Last modified by  jcayless  on  April 03, 2014 09:58 AM


UNC Hospitals
McLendon Clinical Laboratories
101 Manning Drive
Chapel Hill, NC 27514

 

Specimen Type
urine container
Test ID   BENZU
EPIC ORDER
  BENZODIAZEPINE, URINE
CPT Code(s)   80101 or G0431
Group/Individual Test   Individual
Laboratory   Core Laboratory
Tube Station   Routine: 30
STAT: 888
Specimen Routine: 50 mL random urine (no preservatives); See important comments
  micro: 4 mL random urine (no preservatives)
Availability Routine: 24 hrs/day
  STAT: Yes
Turnaround Time   Routine: 2 hours
STAT: 1 hour
Reference Range   Undefined
     
Comments

The reference range is undefined.

Benzodiazepine metabolites may be detected up to 72 hours after ingestion depending upon the specific benzodiazepine. The urine benzodiazepine screening test detects the presence of the benzodiazepine metabolite diazepam at a concentration of 200 ng/mL or greater. Other benzodiazepine metabolites are detected, call laboratory for information regarding a specific benzodiazepine. This method is unable to distinguish between specific benzodiazepines and should be used for screening.   Confirmation testing should be considered for positive screens; See Benzodiazepines, Confirmation.Note: These results are for medical purposes only.

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