Swollen or damaged liver cells secrete elevated amounts of enzymes that can be detected by a blood test. An increased number of liver enzymes in testing indicates swelling or damage to the organ, notes Mayo Clinic. More » Health Medical Ranges & Levels

Liver enzymes are proteins that speed up chemical reactions and processes in the liver. According to MedicineNet, the most common liver enzymes are aspartate aminotransferase, alanine aminotransferase, alkaline phosphata... More » Health Medical Ranges & Levels

The most common causes of elevated liver enzymes include heart failure, alcohol use, certain prescription and over-the-counter medications, hepatitis and obesity, according to Mayo Clinic. Other causes include celiac dis... More » Health Diagnostics & Imaging
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High enzyme levels in the liver may indicate that damaged liver cells are leaking high amounts of chemicals back into the bloodstream or inflammation of the liver, according to Mayo Clinic. These elevated enzyme levels m... More » Health Medical Ranges & Levels

The numbers in a liver function test refer to blood levels of total protein, albumin, bilirubin and liver enzymes, according to WebMD. High or low levels can indicate the presence of liver damage or disease. More » Health Medical Ranges & Levels

Elevated liver enzymes can be caused by damage, medications, cirrhosis, liver cancer and various other diseases, reports Mayo Clinic. Other conditions include alcohol, hepatitis, obesity and fatty liver disease. However,... More » Health Medical Ranges & Levels

An elevated level of gamma-glutamyl transpeptidase enzymes indicates that there is liver damage, but the GGT test does not determine the cause. Some symptoms of high GGT include fatigue, decreased appetite, nausea, vomit... More » Health Medical Ranges & Levels