An alanine transaminase (ALT) blood test measures the amount of ALT in your blood. ALT levels in your blood can increase when your liver is damaged, so healthcare providers often use an ALT blood test to help assess the health of your liver.

Nov 17, 2024 · Learn about the amino acid alanine (Ala) and its role in metabolism, including its chemical properties, dietary sources, biological functions, and the importance of alanine transaminase (ALT) in the body.

Feb 14, 2023 · There are three main lab values that are commonly evaluated in relation to liver health: aspartate aminotransferase (AST), alanine transaminase (ALT) and alkaline phosphatase (ALP). AST and ALT are markers of liver cell injury.

Apr 12, 2023 · The most common cause of the accidental discovery of elevated ALT is a nonalcoholic fatty liver disease (NAFLD). Other causes include alcoholism, viral hepatitis, medications, and immune-mediated liver diseases. The normal upper levels of ALT are according to age and weight.

Jan 29, 2025 · What Is an ALT Blood Test? The alanine aminotransferase (ALT) test is a blood test that checks for liver damage. ALT used to be called serum glutamic-pyruvic transaminase (SGPT). Your...

Apr 26, 2024 · Alanine aminotransferase (ALT) is an enzyme found inside liver cells. Liver enzymes, including ALT, help your liver break down proteins to make them easier for your body to absorb. When your...

Jan 13, 2025 · The possible causes of high ALT levels in the body include liver disease, alcoholism, obesity, muscle damage, heart failure, and more. Learn about symptoms and ways to lower high ALT levels.

Common liver enzymes include: Alkaline phosphatase (ALP). 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?

Jan 22, 2024 · Elevated levels of ALT in the bloodstream may indicate liver cell damage or inflammation. Unlike AST, which is found in several organs, ALT is more liver-specific, making it a reliable indicator of hepatic health.

Aug 15, 2019 · ALT, or alanine aminotransferase, is one of the two liver enzymes. It is sometimes known as serum glutamic-pyruvic transaminase, or SGPT. It is a protein made only by liver cells. When liver cells are damaged, ALT leaks out into the bloodstream and the level of ALT in the blood is elevated.