Benzodiazepines, Screen Only, Whole Blood

CPT: 80307
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Test Details


  • Diazepam
  • Librium®
  • Valium®


Detect presumptive presence of benzodiazepine class drugs


Presumptive testing by immunoassay (IA) at a testing threshold of 20 ng/mL. Presumptive positives are not confirmed by a definitive method.

Specimen Requirements


Whole blood


7 mL

Minimum Volume

3 mL


Lavender-top (EDTA) tube, gray-top (sodium fluoride) tube, or green-top (heparin) tube

Storage Instructions

Submission/transport (<3 days): Room temperature. For storage beyond three days, specimen should be refrigerated or frozen.


Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC
791540 Benzodiazepines Screen ONLY,WB 791542 Benzodiazepines 42662-7
791540 Benzodiazepines Screen ONLY,WB 790956 Specimen Type 31208-2

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