Liver enzymes are proteins in your liver that speed up chemical reactions. If your liver is damaged, blood tests will show abnormally high levels of these enzymes circulating in your bloodstream.

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 ...

Jay N. Yepuri, MD, MS, FACG, is a board-certified gastroenterologist and member of the Digestive Health Associates of Texas Board of Directors and Executive Committee. A liver function test checks how ...

Persistently elevated liver enzymes may be caused by certain types of cancer, including liver, colon, breast, stomach, pancreas, and skin cancers. Liver enzymes are proteins produced by your liver.