Clonazepam
0090055
Ordering Recommendation
 
Mnemonic
CLON
Methodology
Quantitative Liquid Chromatography-Tandem Mass Spectrometry
Performed
Sun, Tue, Thu
Reported
1-5 days  
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
Specimen Required
Patient Preparation
Timing of specimen collection: Pre-dose (trough) draw - At steady state concentration  
Collect
Plain red. Also acceptable: Lavender (K2 or K3EDTA) or pink (K2EDTA).  
Specimen Preparation
Separate serum or plasma from cells within 2 hours of collection. Transfer 1 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.5 mL)  
Storage/Transport Temperature
Refrigerated.  
Unacceptable Conditions
Whole blood. Gel separator tubes, light blue (citrate), or yellow (SPS or ACD solution).  
Remarks
  
Stability
After separation from cells: Ambient: 6 weeks; Refrigerated: 6 weeks; Frozen: 2 months  
Reference Interval
Effective November 18, 2013
 
Dose-​Related Range 20-​70 ng/mL -​ Dose (Adult) 1-​8 mg/d
Toxic Greater than 80 ng/mL
Interpretive Data
Adverse effects may include drowsiness, headache, fatigue and ataxia.  
Note
 
CPT Code(s)
80154
Components
Component Test Code*Component Chart Name
0090055Clonazepam
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • Clonazepam Metabolite, Quantitative, with medMATCH, Urine
  • Clonopin, S
  • Klonopin
  • Klonopin Wafers
  • Nitrazepam
  • Nitrozepane
  • Rivotril