Clorazepate




Test Mnemonic

TRANX

CPT Codes

  • G0480 - QTY (1)
  • 80346 - QTY (1)

LOINC ®

3498-3

Aliases

  • Tranxene

Includes

  • Clorazepate

Performing Laboratory

ARUP


Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
2 mLSerumNo additive (Red) RefrigeratedDo not draw gel separator tube. Timing of specimen collection: Pre-dose (trough) draw at steady state concentration. Centrifuge, aliquot and refrigerate within 2 hours of collection.

Alternate Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
2 mLPlasmaEDTA (Lavender) RefrigeratedDo not draw gel separator tube. Timing of specimen collection: Pre-dose (trough) draw at steady state concentration. Centrifuge, aliquot and refrigerate within 2 hours of collection.
2 mLPlasmaSodium heparin (Green) RefrigeratedDo not draw gel separator tube. Timing of specimen collection: Pre-dose (trough) draw at steady state concentration. Centrifuge, aliquot and refrigerate within 2 hours of collection.
2 mLPlasmaPotassium oxalate/sodium fluoride (Gray) RefrigeratedDo not draw gel separator tube. Timing of specimen collection: Pre-dose (trough) draw at steady state concentration. Centrifuge, aliquot and refrigerate within 2 hours of collection.

Minimum Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
1 mL     

Stability

Environmental Condition Description
AmbientAfter separation from cells: 1 week
RefrigeratedAfter separation from cells: 2 weeks
FrozenAfter separation from cells: 3 years

Days Performed

Tue, Fri

Turnaround Time

2 - 8 days

Methodology

Name Description
Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS) 

Reference Range

Clorazepate
Sex Age From Age To Type Range Range Unit
   Years99 YearsNormalDose related: 100 - 1500 (Based on common dosage amounts)ng/mL
       NormalToxic: > 2500ng/mL

Special Info

Hemolyzed specimens and gel separator tubes will be rejected.

Clinical Info

Clorazepate is assayed as nordiazepam. Toxic concentrations may cause central nervous system depression.

Clinical Limitation

n/a

Clinical Reference

n/a