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The alanine aminotransferase (ALT) test is a blood test that checks for liver damage. ALT used to be called serum glutamic-pyruvic transaminase (SGPT). So, it's sometimes called...
ALT is the most specific enzyme to the liver itself. Typical ranges can vary between the sexes, based on age and at different laboratories. Generally speaking, the upper limit of typical for AST and ALT for men is 35 to 40 units per liter (U/L) and for women is 25 to 30 U/L.
A high ALT level is usually a sign of some type of liver issue. It’s important to work with your doctor to find the underlying cause of your elevated ALT, even if you don’t have any...
ALT is an enzyme found in the liver that helps convert proteins into energy for the liver cells. When the liver is damaged, ALT is released into the bloodstream and levels increase. This test is sometimes referred to as SGPT.
Alanine transaminase (ALT). Aspartate transaminase (AST). Gamma-glutamyl transferase (GGT). If your liver is injured, it releases enzymes into your bloodstream (most commonly ALT or AST). Why does a healthcare provider check liver enzymes? Your healthcare provider may check your liver enzyme levels with a liver function test (LFT) or liver panel.
What does it mean if my alanine transaminase (ALT) is high? High levels of ALT in your blood can be due to damage or injury to the cells in your liver. An increased ALT level may indicate the following conditions: Alcohol-induced liver injury. Fatty liver disease (too much fat in your liver). Hepatitis (liver inflammation).
Inflamed or injured liver cells leak higher levels of certain chemicals into the bloodstream. These chemicals include liver enzymes that may appear higher than usual on blood tests. The most common elevated liver enzymes are: Alanine transaminase (ALT). Aspartate transaminase (AST).