Test directory: Quetiapine, Serum/Plasma

Ordering Code 7951
Test Name Quetiapine, Serum/Plasma
Alias Seroquel
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: 16 Days
Frozen: 6 Months
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
Quetiapine ALL ng/mL

Steady-state...
Steady-state peak (1.0 to 1.5 hours) plasma levels following a t.i.d. daily regimen: 286 ng/mL (225 mg/day) 598 ng/mL (450 mg/day) 828 ng/mL (750 mg/day)
The plasma half-life is approximately 6 hours

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.
Note1

Note1:


Steady-state peak (1.0 to 1.5 hours) plasma levels following a t.i.d. daily regimen: 286 ng/mL (225 mg/day) 598 ng/mL (450 mg/day) 828 ng/mL (750 mg/day)
The plasma half-life is approximately 6 hours

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..