Lab reference

ALT

Liver

For education. Check every result.

Anatium is a study resource, not medical advice. Nothing here is a diagnosis, a prescription or a substitute for a clinician who has seen the patient. Check every number against a current local protocol before it touches anyone, and never act on a result you cannot reproduce yourself.

Reference range

Male7 to 56 U/L
Female7 to 45 U/L

About

The more liver-specific of the two transaminases. An AST:ALT ratio above 2 is characteristic of alcoholic liver disease.

When it is low

Usually not clinically significant

When it is high

Hepatocellular injury (more liver-specific than AST), hepatitis, NAFLD

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