What Is an ALT Blood Test ... your doctor might have you retake the test or take some other tests. When to Worry About ALT Levels A high level of ALT could mean you have liver damage, but it ...

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.

When liver cells become damaged, unusual levels of ALT can enter the bloodstream. For this reason, if a blood test shows high ALT levels, a doctor will likely investigate if there is liver damage.

The aspartate aminotransferase (AST) test is a blood test that looks for liver ... If your results show high levels of ALT, it is almost a sure sign that you have some type of liver damage ...

An alanine aminotransferase (ALT) test measures the level of the enzyme ALT in your blood. This test can help ... and ALT is often elevated before other symptoms appear. An ALT test is also ...

Symptoms of liver problems include: Certain medications can also cause ALT levels in the blood to be high. Often, these levels are elevated before symptoms of liver damage occur, making the test ...

Depending on what your healthcare professional suspects, they may recommend any of the following: Contact a doctor if a blood test shows you have high ALT. Based on the results of your liver panel ...