Why Are My ALT and AST High on a Liver Function Test?
Aug 4, 2025 · An ALT above 35 U/L in women or 45 U/L in men, and an AST above 40 U/L, signal liver-cell irritation. The most common culprits are non-alcoholic fatty liver disease, viral …
What Happens When Your Liver Enzymes Are High | Mayo Clinic …
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 …
Elevated Liver Enzymes: What Is It, Causes, Prevention ...
Jun 28, 2021 · If you have high levels of liver enzymes in your blood, you have elevated liver enzymes. High liver enzyme levels may be temporary, or they may be a sign of a medical …
What Liver Enzymes Do and What Levels Are Normal
Dec 2, 2025 · An AST/ALT ratio of less than 1 (where the ALT is higher than the AST) is a general indication of fatty liver disease. An AST/ALT ratio equal to 1 (where the ALT is equal to the …
What are AST and ALT in a blood test? | SiPhox Health
Jul 25, 2025 · Normal AST and ALT levels can vary slightly between laboratories, but generally accepted ranges are: It's important to note that 'normal' doesn't always mean optimal. Some …
Liver Blood Tests: High, Low & Normal Results, Symptoms
Normal levels of AST and ALT may slightly vary depending on the individual laboratory's reference values. Typically the range for normal AST is reported between 10 to 40 units per …
AST/ALT Ratio Chart: What the Numbers Indicate
Jul 25, 2025 · Analyzing the AST/ALT ratio can provide specific clues about the type and cause of liver damage, helping differentiate between various liver conditions. A typical AST/ALT ratio in …
AST (SGOT) blood test: What the results mean and what happens ...
Apr 14, 2025 · Looking at both ALT and AST levels can give a doctor a clearer idea of overall liver function and health. If ALT levels are normal but AST levels are high, it could indicate a health...
Liver Blood Tests: AST Normal Range, Results, Function
Aug 23, 2024 · Alanine aminotransferase (ALT) is also known as serum glutamic pyruvic transaminase (SGPT). So, AST = SGOT and ALT = SGPT are enzymes produced by the liver …
How to approach elevated liver enzymes? | AASLD
ALT is more specific to liver injury because of its greatest concentration in the liver, while AST can also be found in extrahepatic organs, including brain, heart, and skeletal muscle. The degree …