Clonazepam




Test Mnemonic

CLONAS

CPT Codes

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

Performing Laboratory

ARUP


Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
2 mLPlasmaPotassium oxalate/sodium fluoride (Gray) RefrigeratedDo not draw gel separator tube. Timing of specimen collection: Pre-dose (trough) draw at steady state concentration. Separate plasma from cells ASAP or within 2 hours of collection and transfer into standard aliquot tube.

Alternate 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. Separate serum from cells ASAP or within 2 hours of collection and transfer into standard aliquot tube.
2 mLPlasmaSodium heparin (Green) RefrigeratedDo not draw gel separator tube. Timing of specimen collection: Pre-dose (trough) draw at steady state concentration. Separate plasma from cells ASAP or within 2 hours of collection and transfer into standard aliquot tube.
2 mLPlasmaEDTA (Lavender) RefrigeratedDo not draw gel separator tube. Timing of specimen collection: Pre-dose (trough) draw at steady state concentration. Separate plasma from cells ASAP or within 2 hours of collection and transfer into standard aliquot tube.

Minimum Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
1 mL     

Stability

Environmental Condition Description
RefrigeratedAfter separation from cells: 2 weeks
AmbientAfter separation from cells: 1 week
FrozenAfter separation from cells: 3 years (Avoid repeated freeze/thaw cycles)

Days Performed

Tue, Fri

Turnaround Time

2 - 8 days

Methodology

Name Description
Quantitative Liquid Chromatography - Tandem Mass Spectrometry 

Special Info

Patient Prep: Timing of specimen collection: Pre-dose (trough) draw at steady state concentration. Gel separator tubes are unacceptable. Plasma or whole blood collected in light blue (sodium citrate) tubes will be rejected. Hemolyzed specimens will be rejected. This test is New York DOH approved.

Clinical Info

Used to optimize drug therapy and monitor patient adherence. Adverse effects may include drowsiness, headache, fatigue and ataxia.