ARUP's Laboratory Test Directory

Fluoxetine and Metabolite : 0090450

Mnemonic: FLUOX

Methodology: Quantitative High Performance Liquid Chromatography
Performed: Mon, Wed, Fri
Reported: 1-4 days
Specimen Required: Collect: Plain red. Also acceptable: Lavender (K2 or K3EDTA) or pink (K2EDTA).

Specimen Preparation: Separate serum or plasma from cells within 2 hours of collection. Transfer 1 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.5 mL)

Storage/Transport Temperature: Refrigerated.

Unacceptable Conditions: Whole blood. Gel separator tubes, light blue (citrate), or yellow (SPS or ACD solution).

Stability (collection to initiation of testing): After separation from cells: Ambient: 12 hours; Refrigerated: 5 days; Frozen: 1 month
Reference Interval:
Dose-Related Range:
 
Test Number Components Dose-Related Range
 FluoxetineDose-Related Range:
50-480 ng/mL
 NorfluoxetineDose-Related Range:
50-450 ng/mL

Interpretive Data: Dose-related ranges for fluoxetine/norfluoxetine are based on a 20 to 60 mg dose/day.
CPT Code(s): 80299
Cross References: Fluoxetine/Norfluoxetine (Fluoxetine & Metabolite), Oxactin (Fluoxetine & Metabolite), Prozac (Fluoxetine & Metabolite), Rapiflux (Fluoxetine & Metabolite), Sarafem (Fluoxetine & Metabolite), Selfemra (Fluoxetine & Metabolite)