Chlorpromazine

Thorazine®

11 days

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

Accredited Laboratory Partner

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Monitors therapeutic levels of chlorpromazine, an antipsychotic. Also used to detect overdose.

Serum or Plasma

1 mL

Red-top tube, lavender-top (EDTA) tube, or green-top (heparin) tube.

No special preparation is required for this test. You may eat, drink, and take your medications as normal, unless instructed otherwise by your healthcare provider.

Do not use a gel-barrier tube.