Fluoxetine and Norfluoxetine

Sunquest Code:FLUOX  
Epic Code:LAB3477Epic Name:Fluoxetine and Norfluoxetine Level
Methodology:Liquid chromatography/Tandem mass spectrometry
CPT Code:80332
Turnaround Time:Specimens are sent to reference laboratory Mon-Fri; results are reported within 3 days.

Collection Instructions

Optimal Volume:4 mL
Minimum\Peds Volume:1.2 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, 0.5 mL minimum. Store at room temperature.
Shipping Instructions:Ship at room temperature.
Test Performed at or Referral Lab Lab Sendouts  (MedTox)
Referral Lab number:225


Critical Range:Fluoxetine and metabolite: 2000 ng/mL or greater
Reference Range:Fluoxetine and metabolite: 120-500 ng/mL

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