The Quetiapine (Seroquel) test using Liquid Chromatography-Tandem Mass Spectrometry (LC/MS/MS) is an advanced laboratory test used to measure the levels of this drug in the blood. Quetiapine is an antipsychotic medication commonly used to treat psychiatric disorders such as schizophrenia and bipolar disorder. The LC/MS/MS technique is highly accurate in measuring drug levels, allowing for determination of the optimal dose and ensuring treatment safety. This test helps doctors monitor drug effectiveness, avoid potential adverse interactions, and assess treatment adherence. By measuring quetiapine concentration, treatment plans can be optimized to achieve better outcomes for patients.