Alanine aminotransferase, or ALT, is an enzyme found concentrated in the liver and in small amounts in the kidneys and the heart, states WebMD. An ALT test checks the blood for this enzyme, as its presence indicates pote... More »

Low ALT/SGPT means that there are normal levels of the liver enzyme alanine aminotransferase, or ALT, in the blood, which indicates that there is no disease or damage to the liver, according to WebMD. ALT used to be call... More »

Low SGPT is normally found in the blood and it often indicates a healthy liver. SGPT is now also called Alanine Aminotransferase, or “ALT.” A test for ALT measures how much damage is in a liver. More » Health Diagnostics & Imaging

The ALT test checks the level of alanine aminotransferase in the blood to see if the liver is healthy. Elevated levels of the enzyme could indicate damage caused by trauma or a disease process, such as cirrhosis or a str... More »

SGPT, or serum glutamic pyruvic transaminase, is an enzyme that enters the blood when the heart or liver are damaged, according to MedicineNet. When a condition like hepatitis C causes damage to the liver, SGPT levels ri... More »

The normal range for an alanine aminotransferase, or ALT, test is 10 to 40 units per liter for men. For women, the normal range is between 7 and 35 units per liter, says WebMD. More »

ALT blood levels are checked by undergoing the alanine aminotransferase test to measure the level of the enzyme in the blood, notes WebMD. The enzyme is found mainly in the liver, but it is also available in the pancreas... More » Health Diagnostics & Imaging