Benzodiazepine Confirmation, Urine

CPT: 80346
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Test Details

Synonyms

  • Diazepam
  • Librium®
  • Valium®

Test Includes

α-OH-alprazolam; nordiazepam; oxazepam

Use

Evaluate the presence of benzodiazepines

Methodology

Mass spectrometry (MS)

Specimen Requirements

Specimen

Urine

Volume

20 mL

Minimum Volume

7 mL

Container

Plastic urine drug bottle and tamper-evident seal for forensic specimen. Collection kits are available by request from the laboratory.

Collection

Urine temperature monitoring is recommended for samples to be tested for medicolegal purposes.

Storage Instructions

Maintain specimen at room temperature. If arrival extends beyond seven days, then refrigerate.

Causes for Rejection

Quantity not sufficient for analysis; improper specimen (serum, plasma, blood); incomplete chain-of-custody documentation; incomplete specimen identification; improper or missing tamper-evident seals

LOINC® Map

Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC
071308 Benzodiazepine Confirmation,Ur 777140 Benzodiazepines 3390-2
071308 Benzodiazepine Confirmation,Ur 777146 Nordiazepam 3861-2
071308 Benzodiazepine Confirmation,Ur 777145 Nordiazepam GC/MS Conf ng/mL 16228-9
071308 Benzodiazepine Confirmation,Ur 777144 Oxazepam 12361-2
071308 Benzodiazepine Confirmation,Ur 714469 Oxazepam GC/MS Conf ng/mL 16201-6
071308 Benzodiazepine Confirmation,Ur 777152 OH-Alprazolam 19490-2
071308 Benzodiazepine Confirmation,Ur 777153 OH-Alprazolam GC/MS Conf ng/mL 20500-5
071308 Benzodiazepine Confirmation,Ur 070474 Documentation N/A
071308 Benzodiazepine Confirmation,Ur 711784 Benzodiazepines GC/MS Holding N/A

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