Why it matters: ALT and AST are key liver enzymes, and changes in their levels can indicate liver cell injury or other health issues. How they’re tested: Blood tests measure these enzymes, with ...

High levels of liver enzymes can suggest liver inflammation or disease. Liver enzyme tests can help diagnose issues like hepatitis, cirrhosis, and heart disease. Factors like alcohol use and physical ...

A new population-based epidemiological study has found that elevated liver enzymes discovered during routine medical care are associated with higher future mortality. The findings are in the March ...

A person can have hepatitis C with no symptoms. Liver enzyme tests can help detect and diagnose a hepatitis C infection by showing liver damage and inflammation. Hepatitis C is a contagious liver ...