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Back to Test Catalogue
Test ID: QUET

Quetiapine, Serum

Test Overview

Method

Liquid chromatography-tandem mass spectrometry (LC-MS/MS)

Result Included

Quetiapine

Specimen

Specimen Type

Avoid gel separator tubes
Serum

Volume

Sample Volume

1 mL

Specimen Comment

Avoid gel separator tubes.

Collection & Handling

Collection Instructions

Collect trough specimen just prior to next dose or post-dose at a time ≥75% of the dosing interval.

Handling Information

Store and send frozen.

Performance & Interpretation

Turnaround Time

8 days

Results

Name
Units
Reference Range
Conversion
  1. Quetiapine
    nmol/L
    ng/mL x 2.61

    Comment

    Serum Quetiapine therapeutic and toxic ranges have not been established. Expected range: 261 - 2610 nmol/L based on dosage of 225 - 750 mg/day.

Referral Location

Canada

Test Version

Last Updated

2019-09-30