Perampanel, By LC-MS/MS is a medical test used to determine the levels of perampanel in blood or other biological fluids. This substance is used as an anticonvulsant to treat certain types of epilepsy and helps control seizures. The test is performed using an advanced technique that combines liquid chromatography with mass spectrometry, ensuring high accuracy in measuring perampanel levels. A blood sample is collected and analyzed to determine the drug's concentration in the body, helping doctors evaluate the effectiveness of the treatment and adjust dosages if necessary. The results are useful for monitoring potential side effects and ensuring patient safety during treatment, contributing to an improved quality of life for individuals with neurological disorders.