Diazepam and Desmethyldiazepam


Sunquest Code:DIAZE  
Epic Code:LAB468Epic Name:Diazepam Level
Synonyms:Valium
Methodology:Liquid chromatography/Tandem mass spectrometry
CPT Code:80346 x2
Turnaround Time:Specimens are sent to reference laboratory Mon-Fri; results are reported within 3 days.


Collection Instructions

Specimen:Blood
Optimal Volume:4 mL
Minimum\Peds Volume:1.4 mL
Container:Red (no gel) (Green (lithium heparin, no gel), Green (sodium heparin, no gel))
Collection Instructions:Trough levels are most reproducible.


Processing and Shipping

Specimen Processing:Centrifuge and aliquot 2 mL, 0.6 mL minimum. Store at room temperature.
Shipping Instructions:Ship at room temperature.
Stability:Stability: Samples are stable up to 3 days at room temperature. For longer storage, refrigerate or freeze.
Test Performed at or Referral Lab Lab Sendouts  (MedTox)
Referral Lab number:36


Interpretive

Critical Range:Diazepam and metabolite: greater than 3000 ng/mL
Reference Range:

Diazepam and metabolite

200 - 2500 ng/mL

 

 



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