Benzodiazepine Confirmation


Sunquest Code:BENZC  
Epic Code:LAB5534Epic Name:Benzodiazepine Confirmation
Methodology:Liquid chromatography/Tandem mass spectrometry (LC/MS/MS)
CPT Code:82486, 80102
Test Includes:Quantitative benzodiazepine screen includes: diazepam, desmethyldiazepam, oxazepam, temazepam, chlordiazepoxide, desmethylchlordiazepoxide, alpralzolam, triazolam, lorazepam, flurazepam, desalkylflurazepam, midazolam, clonazepam
Turnaround Time:Specimens are sent to reference laboratory Mon-Fri; results are reported within 3 days.


Collection Instructions

Specimen:Blood
Optimal Volume:6 mL
Minimum\Peds Volume:3.2 mL
Container:Red (no gel) (Green (lithium heparin, no gel), Green (sodium heparin, no gel))


Processing and Shipping

Specimen Processing:Centrifuge and aliquot 3 mL, 1.5 mL minimum. Store in freezer.
Shipping Instructions:Ship on dry ice.
Test Performed at or Referral Lab Lab Sendouts  (MedTox)
Referral Lab number:19976


Interpretive

Critical Range:

Critical Values

High

Diazepam & Metabolite

3000 ng/mL

Oxazepam

2000 ng/mL

Temazepam

5000 ng/mL

Chlordiazepoxide & Metabolite

5000 ng/mL

Alprazolam

60.0 ng/mL

Triazolam

100.0 ng/mL

Lorzaepam

500.0 ng/mL

Desalkylflurazepam

500 ng/mL

Flurazepam & Metabolite

1000 ng/mL

Midazolam

2000 ng/mL

Clonazepam

100 ng/mL

 

 

Reference Range:

Diazepam & Metabolite

100-1500 ng/mL

Oxazepam

200-500 ng/mL

Temazepam

50-1000 ng/mL

Chlordiazepoxide & Metabolite

100-3000 ng/mL

Alprazolam

5-25 ng/mL

Triazolam

5.0-20.0 ng/mL

Lorzaepam

50.0-240.0 ng/mL

Flurazepam

0-30 ng/mL

Desalkylflurazepam

30-150 ng/mL

Flurazepam & Metabolite

30-180 ng/mL

Midazolam

50-600 ng/mL

Clonazepam

20-60 ng/mL

 

 



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