The Sertraline (Zoloft) test, also known as Sertraline Hydrochloride, using Liquid Chromatography with Tandem Mass Spectrometry (LC/MS/MS) is an advanced procedure designed to measure the levels of this drug in biological fluids such as blood or urine. This test is used to evaluate treatment effectiveness, especially in cases of depression and anxiety, and to monitor potential side effects. This method is highly accurate and capable of detecting very small amounts of the drug, making it a valuable tool in personalized treatment management. It also helps determine patient adherence to therapy and assess interactions with other medications. The results from this test are important for doctors to adjust dosages and improve the quality of healthcare provided to patients.