Clarilab

Liver

AST (SGOT) test

Also called SGOT, aspartate aminotransferase

An enzyme found in the liver, heart and muscles.

Typical range
Up to about 40 U/L.
Usual recheck
About 3 months when out of range

Why it's done

Part of the LFT, read together with ALT.

What a high result can mean

Liver injury, alcohol (AST often higher than ALT), or muscle injury from heavy exercise.

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More liver tests

Liver function test (LFT)ALT, AST, ALP, GGT, bilirubin, total protein and albumin. ALT (SGPT)A liver enzyme released when liver cells are irritated or damaged. Alkaline phosphatase (ALP)An enzyme from the liver, bile ducts and bones. GGTA liver enzyme sensitive to alcohol and bile duct problems. Bilirubin (total)A yellow pigment from the normal breakdown of red cells, cleared by the liver. Bilirubin (direct)Bilirubin the liver has already processed.