Clinics and Departments

Laboratory Services

Lab Dept:

Chemistry

Test Name:

PROZAC LEVEL

General Information

Lab Order Codes:

PZAC

Synonyms:

Fluoxetine; Norfluoxetine; SarafemŽ

CPT Codes:

82542 - Column chromatography/mass spectrometry, analyte not elsewhere specified; quantitative, single stationary and mobile phase

Test Includes:

Fluoxetine and Norfluoxetine reported in ng/mL.

Logistics

Test Indications:

Antidepressant therapeutic drug monitoring.

Lab Testing Sections:

Chemistry - Sendouts

Referred to:

MedTox Laboratories (MedTox Test: 225)

Phone Numbers:

MIN Lab: 612-813-6280

STP Lab: 651-220-6550

Test Availability:

Daily, 24 hours

Turnaround Time:

1 day

Special Instructions:

Trough levels are most reproducible. Do Not use serum separator tubes.

Specimen

Specimen Type:

Blood

Container:

Green top (Li Heparin) or Red top (plain, no gel) tube

Draw Volume:

6 mL (Minimum: 1.2 mL) blood

Processed Volume:

2 mL (Minimum 0.4 mL) plasma/serum

Note: Submission of the minimum volume results in an elevated reporting limit and inability to repeat analysis.

Collection:

Routine venipuncture

Special Processing:

Lab Staff: Centrifuge specimen, remove serum/plasma aliquot into a screw-capped round bottom plastic vial. Store and ship at refrigerated temperatures. Forward promptly.

Patient Preparation:

None

Sample Rejection:

Mislabeled or unlabeled specimens

Interpretive

Reference Range:

Fluoxetine and metabolite:

300 – 1150 ng/mL

Critical Values:

>2000 ng/mL

Limitations:

<10 ng/mL reporting limit

Methodology:

High Performance Liquid Chromatography with Ultraviolet Detection (HPLC-UV)

References:

MedTox Laboratories May 2010

Updates:

5/6/2010: CPT update, previously reported as 82492.



  Lab Test Directory
    Chemistry
    Coagulation
    Flow/Immunology
    Hematology
    Microbiology/ Virology
    Other Fluids
    Pathology
    Serology
    Transfusion Services
    Urine/Stool

  Search Lab Test Directory
    List All Documents

  Lab Staff

  E-mail Lab Services