Liver function test - Definition

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The liver function test is a blood test to diagnose liver disease and to assess the various functions of the liver. Liver function tests are prescribed, among others, in cases of unexplained weight loss, alcoholism, prolonged fever, or an enlarged liver or spleen to monitor the progression of liver disease, and in the monitoring of certain treatments or for a complete blood workup. Liver function tests reveal hepatitis, cirrhosis, or alcoholic diseases. It studies for example the amount of liver enzymes (AST / ALT), GGT or gamma glutamyl transferases (increased notably in the case of alcoholism) and alkaline phosphatase.