Fluoxetine

Alphabetical Test listing

Fluoxetine-2113A

Test name:

Fluoxetine

Test number:

2113A

Excellian order number:

LAB2113

Abbreviation:

FLX

Alternate names:

Prozac®
Sarafem®
Rapiflux®

Tests included:

Fluoxetine
Norfluoxetine

Useful for:

Therapeutic drug management

Specimen type:

Serum

Collection container:

Red serum vial/tube, 5 mL

Volume:

2.0 mL

Minimum volume:

0.5 mL

Collection instructions:

Trough levels are most reproducible

Processing instructions:

Allow sample to clot
Spin within two (2) hours of sample collection
Transfer serum to a Serum/plasma transfer vial/tube (MedTox), labelled as serum

Transport container:

Serum/plasma transfer vial/tube (MedTox)

Alternate specimen type:

Heparin plasma

Alternate collection container:

Dk green heparin (Li or Na), no gel

Alternate collection instructions:

Immediatley following collection, mix sample thoroughly by gentle inverting 8 - 10 times, to prevent clotting

Alternate processing instructions:

Spin within two (2) hours of sample collection
Transfer plasma to a Serum/plasma transfer vial/tube (MedTox), labelled as the appropriate plasma type

Transport and stability:

Refrigerated (preferred)

Ambient - 3 days

Frozen (OK)

Reason for rejection:

Gel-barrier tubes are not recommended

Performing lab:

MedTox Laboratories (225): R-MX

Days set up:

Mo, We, Th, Fr, Su

TAT:

3 - 4 days

Method:

Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)

Reference ranges:

Fluoxetine & Norfluoxetine (combined total): 120 - 500 ng/mL

CPT codes:

G0480

Subject to medical necessity (Y/N):

Yes

LCD/NCD:

Medical necessity

Date created:

11/30/2001

Revised date:

01/03/2024

Review date:

01/03/2024