This analysis is very important as it determines whether the liver is working properly or not, and one of these types of tests is the serum bilirubin test: (Serum bilirubin test), which is the analysis that measures the levels of bilirubin in the blood, which is formed by the liver. It means there is a problem with the liver. Serum albumin test: This analysis is used to find out the level of protein in the blood (albumin). The clotting time has increased, this indicates(ALT): This enzyme is elevated in viral hepatitis and may rise before symptoms of the disease appear. Aspartate aminotransferase (AST) is an enzyme found in the liver. If the liver is damaged, its levels rise in the bloodstream.