Purpose
Therapeutic Drug Monitoring
Method(s)
Gas Chromatography (GC)
Gas Chromatography/Mass Spectrometry (GC/MS)
Suggested CPT Code(s)
80332
80342
New York State Approval Status

Approved

Turnaround Time

5 days

Test Includes
1 Olanzapine Gas Chromatography (GC) ng/mL 3 Antipsychotic (Neuroleptic)
2 Fluoxetine Gas Chromatography/Mass Spectrometry (GC/MS) ng/mL 10 Antidepressant
3 Norfluoxetine Gas Chromatography/Mass Spectrometry (GC/MS) ng/mL 10 Antidepressant

Specimen Type
Serum or Plasma
Requested Volume
7 mL
Minimum Volume
3.3 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
Frozen
Light Protection
Not Required
Rejection Criteria
Received Room Temperature. Received Refrigerated. Polymer gel separation tube (SST or PST).

Rejection criteria pertain to clinical specimen submissions only.

Stability
Room Temperature: 3 day(s)
Refrigerated: 3 day(s)
Frozen (-20 °C): 2 month(s)
1 Olanzapine Gas Chromatography (GC) ng/mL 3 Antipsychotic (Neuroleptic)
2 Fluoxetine Gas Chromatography/Mass Spectrometry (GC/MS) ng/mL 10 Antidepressant
3 Norfluoxetine Gas Chromatography/Mass Spectrometry (GC/MS) ng/mL 10 Antidepressant

Interface Map

LOINC® Information