Aripiprazole analysis using liquid chromatography-tandem mass spectrometry (LC/MS/MS) is used to measure aripiprazole levels in the blood. Aripiprazole is an antipsychotic medication used to treat conditions such as schizophrenia and depressive disorder. This test provides high accuracy in determining drug concentration, helping physicians adjust appropriate dosages and monitor patient response to treatment. It is important for preventing potential side effects and ensuring treatment effectiveness.