Alanine Transaminase (ALT) - Cleveland Clinic Alanine transaminase (ALT) is an enzyme that’s mainly found in your liver High levels of ALT in your blood may indicate damage or injury to your liver
What Is ALT in a Blood Test and What Do Results Mean? ALT stands for alanine aminotransferase, an enzyme found mainly in your liver cells When liver cells are damaged or inflamed, ALT leaks into your bloodstream, and a blood test picks up the elevated levels
Liver Blood Tests: High, Low Normal Results, Symptoms Causes Liver blood tests are used to detect liver diseases such as fatty liver, cirrhosis, hepatitis, and liver failure Understand the result with high, low, and normal results of AST and ALT Symptoms of elevated or high liver enzymes in the blood include fever, abdominal pain, poor appetite, itching, and nausea Elevated levels of AST and ALT may signify the level of liver damage and varies by person
What Is an ALT Blood Test? Liver Function Test - MedicineNet An ALT (alanine transaminase) test measures ALT levels in your blood to screen for liver damage or liver disorders Elevated ALT levels may indicate a liver problem Learn about norma and high ALT ranges