Purpose
Therapeutic Drug Monitoring
Method(s)
Gas Chromatography/Mass Spectrometry (GC/MS)
Suggested CPT Code(s)
80332
New York State Approval Status

Approved

Turnaround Time

5 days

Test Includes
1 Fluoxetine Prozac® Gas Chromatography/Mass Spectrometry (GC/MS) ng/mL 10 Antidepressant
2 Norfluoxetine Fluoxetine Metabolite Gas Chromatography/Mass Spectrometry (GC/MS) ng/mL 10 Antidepressant

Specimen Type
Serum or Plasma
Requested Volume
3 mL
Minimum Volume
1.2 mL
Special Handling
Serum: Collect sample in Red top tube
Plasma: Collect sample in Lavender top tube (EDTA) or Pink top tube.
Promptly centrifuge and separate Serum or Plasma into a plastic screw capped vial using approved guidelines.
Specimen Container
Plastic container (preservative-free)

Additional Collection Instructions

Transport Temperature
Refrigerated
Light Protection
Not Required
Rejection Criteria
Polymer gel separation tube (SST or PST).

Rejection criteria pertain to clinical specimen submissions only.

Stability
Room Temperature: 14 day(s)
Refrigerated: 14 day(s)
Frozen (-20 °C): 9 month(s)
1 Fluoxetine Prozac® Gas Chromatography/Mass Spectrometry (GC/MS) ng/mL 10 Antidepressant
2 Norfluoxetine Fluoxetine Metabolite Gas Chromatography/Mass Spectrometry (GC/MS) ng/mL 10 Antidepressant

Interface Map

LOINC® Information