Azathioprine (Imuran) level analysis is a test used to measure the concentration of azathioprine in the blood. Azathioprine is an immunosuppressive medication used to treat various conditions such as rheumatoid arthritis and autoimmune diseases like systemic lupus erythematosus. This analysis aims to evaluate treatment effectiveness and monitor drug levels to adjust dosing, helping physicians ensure optimal outcomes while minimizing potential side effects. It is an important test for ensuring patient safety and improving the quality of healthcare.