This in vitro diagnostic kit uses a chemiluminescent immunoassay with magnetic microparticles and a sandwich format to quantitatively measure total PSA in human serum or plasma. Requires 50 µL sample and delivers results in 10 minutes. Limit of quantification is 0.029 ng/mL. Storage at 2-8°C; avoid direct sunlight and freezing. CE certified. Ideal for early prostate disease detection, screening, and monitoring disease progression or therapy response.