Test directory: Olanzapine and Metabolite

Ordering Code 7959
Test Name Olanzapine and Metabolite
Alias Olanzapine and Metabolite, Serum/Plasma
Symbyax
Preferred Specimen Plasma
Preferred Container EDTA, K2 (Lavender)
Other Specimen/Container Serum in Plain (Red)
Optimum Volume 1 mL
Handling Instructions Promptly centrifuge and separate Serum or Plasma
Transport Requirements Oahu: Ambient
Airline: Refrigerated
Specimen Stability Ambient: 7 Days
Refrigerated: 30 Days
Frozen: 30 Days
Rejection Criteria Gel barrier tube
Avail. Stat NO
Analytic Time 10 Days
Methodology High Performance Liquid Chromatography/Tandem Mass
Spectrometry (LC-MS/MS)
Reference Lab  National Medical Services, Inc.

Reference range(s)

The reference ranges listed below are valid on this date of June 29, 2025.
Component Age Male Norm Male Critical Low Male Critical High Female Norm Female Critical High Female Critical Low Units Add'l info
N-desmethylolanzapine ALL ng/mL

Schizophrenic...
Schizophrenic patients stabilized with olanzapine at an average daily dose of 14 mg had steady-state desmethylolanzapine plasma concentrations averaging 6.9 +/- 4.7 ng/mL

See report.
Note1
Olanzapine ALL ng/mL

Recommended...
Recommended antipsychotic range in adults: 20-80 ng/mL plasma
Analysis by High Performance Liquid
Chromatography/Tandem Mass Spectrometry (LC-MS/MS)

This test was developed and its performance characteristics determined by NMS Labs. It has not been cleared or approved by the US Food and
Drug Administration

See report.
Note2

Note1:


Schizophrenic patients stabilized with olanzapine at an average daily dose of 14 mg had steady-state desmethylolanzapine plasma concentrations averaging 6.9 +/- 4.7 ng/mL

See report..

Note2:


Recommended antipsychotic range in adults: 20-80 ng/mL plasma
Analysis by High Performance Liquid
Chromatography/Tandem Mass Spectrometry (LC-MS/MS)

This test was developed and its performance characteristics determined by NMS Labs. It has not been cleared or approved by the US Food and
Drug Administration

See report..