FLUOXETINE

Test Documentation
Specimen Required
Draw blood in a plain red-top tube. Centrifuge, separate and send 1.0 mL serum (0.5 mL minimum) refrigerated in a screw-capped plastic vial.

Alternate Specimen
Plasma: EDTA, fluoride, oxalate

Rejection Criteria
SST

Methodology
High Performance Liquid Chromatography

Stability
Room Temperature: 48 hours; Refrigerated: 14 days; Frozen: 14 days

Reference Range
Fluoxetine:   50–480 ng/mL  
Toxic:   >1000 ng/mL  
Norfluoxetine:   50–450 ng/mL  
Toxic:   >1000 ng/mL  

Performed
Monday, Wednesday, Friday

Turnaround Time2-3 days
Test CodeFLUOX
CPT-4 Code (s)
80299
LOINC Codes
3644-2

Warde
Medical
Laboratory