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Understand the result with high, low, and normal results of AST and ALT. Symptoms of elevated or high liver enzymes in the blood include fever, abdominal pain, poor appetite, itching, and nausea. Elevated levels of AST and ALT may signify the level of liver damage and varies by person.
Learn about liver blood tests used to detect liver damage diseases such as fatty liver, cirrhosis, hepatitis, and Tylenol liver damage. This includes measuring the aminotransferases enzymes (AST and ALT levels).
Aspartate aminotransferase (AST) and alanine aminotransferase (ALT) are two liver enzymes measured in a blood test to check the health of your liver. High AST and ALT levels are a general sign of a liver problem.
Liver function tests are blood tests that measure different substances produced by your liver. Values that are higher or lower than normal may indicate disease.
Liver function tests can help determine how well your liver is doing its job. Find out what to expect and what results are considered standard.
The laboratory provides a ‘normal value’ or ‘reference value’ to the test, which shows you whether your test is within the normal range. Abnormal functions are shown by how much they are below or above the normal range.
Identifying the etiology of abnormal liver tests requires a combination of history and laboratory testing. A systematic approach including laboratory tests, imaging studies, and liver biopsy should be used.