LIVER-Screen® is a rapid immunodiagnostics test for the immunological detection of increased transaminase (both ALT and AST) levels from a finger prick whole blood sample. The test consists on a plastic housing containing one stick having two distinct zones for transaminases detection (red colour when positive) and one control zone (blue colour). The Liver is an essential organ of the body having a critical role for health. It helps break down food, clean blood, produce proteins and store energy. In case of liver problems, a number of symptoms may appear including dark urine or light-coloured stool, no desire to eat, yellowish eyes or skin (jaundice), swelling in your belly, weakness or feeling very tired. There might be many reasons for a problem occurrence in liver such as hepatitis, side effects of certain medications, cirrhosis due to heavy drinking, overweight especially in case of diabetes or high blood pressure.