However, if both AST and ALT levels are high, it may indicate a problem with a person’s liver. The AST blood test is straightforward and similar to any other blood test. A healthcare ...

In some instances, an initial blood test, such as one you get for your annual physical, may show mildly elevated levels of ALT and AST, but further blood tests may not show anything abnormal.

A second ALT blood test, especially if results are abnormally low Other blood tests, including those assessing liver health, such as aspartate aminotransferase (AST) or bilirubin levels Ultrasound ...