Lorazepam


Sunquest Code:LORA  
Epic Code:LAB3589Epic Name:Lorazepam
Synonyms:Ativan
Methodology:Liquid chromatography/Tandem mass spectrometry
CPT Code:80346
Turnaround Time:Specimens are sent to reference laboratory Mon-Fri; results are reported within 5 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:Usual sampling time is immediately prior to next dose (trough).


Processing and Shipping

Specimen Processing:Centrifuge and aliquot 2 mL, 0.6 mL minimum. Store at room temperature.
Shipping Instructions:Ship at room temperature.
Test Performed at or Referral Lab Lab Sendouts  (MedTox)
Referral Lab number:64


Interpretive

Critical Range:Greater than 500 ng/mL
Reference Range:50-240 ng/mL


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