What is considered a high ALT level?
The upper limit of normal for ALT is 55 IU/L. When an ALT level is double to triple the upper limit of normal, it is considered mildly elevated. Severely elevated ALT levels found in liver disease are often 50 times the upper limit of normal.
What causes a high ALT reading?
Very high ALT levels can be caused by: Acute viral hepatitis. An overdose of drugs such as acetaminophen (Tylenol) Liver cancer.
Should I be concerned if my ALT is high?
High levels of ALT may indicate liver damage from hepatitis, infection, cirrhosis, liver cancer, or other liver diseases. Other factors, including medicines, can affect your results. Be sure to tell your health care provider about all the prescription and over-the counter medicines you are taking.
What causes high ALT levels in blood?
High levels of ALT in the blood may indicate liver damage caused by hepatitis, lead poisoning, drug reactions, alcohol abuse, or mononucleosis. Medicines such as statins, antibiotics, aspirin, narcotics, and chemotherapy can also cause elevated ALT levels.
What causes elevated ALT levels?
High levels of ALT may be caused by: Liver damage from conditions such as hepatitis or cirrhosis. Lead poisoning. Very strenuous exercise or severe injury to a muscle. Exposure to carbon tetrachloride. Decay of a large tumor (necrosis).
What would cause ALT to be high?
High levels of ALT may be indicative of viral hepatitis, reactions to drugs, lead poisoning or necrosis. Moderately high levels of ALT are indicative of hepatitis, mononucleosis or excessive alcohol consumption. Slightly high ALT levels can be indicative of fat deposits in the liver, cirrhosis or medications.
What is the normal range for Alt and AST liver tests?
Normal levels of AST and ALT may slightly vary depending on the individual laboratory’s reference values. Typically the range for normal AST is reported between 10 to 40 units per liter and ALT between 7 to 56 units per liter. Mild elevations are generally considered to be 2-3 times higher than the normal range.