AST

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Also known as: Aspartate aminotransferase; serum glutamic-oxaloacetic transaminase; SGOT
Formal name: Aspartate aminotransferase

At a Glance

Why Get Tested?

To detect liver damage

When to Get Tested?

If your doctor thinks that you have symptoms of a liver disorder

Sample Required?

A blood sample drawn from a vein in your arm

The Test Sample

What is being tested?

AST is an enzyme found mostly in the liver, red blood cells, heart and other muscles. When liver, red blood cells, heart or muscle cells are injured, they release AST into the blood.

How is the sample collected for testing?

A sample is taken by needle from a vein in the arm.

The Test

Common Questions

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NOTE: This article is based on research that utilizes the sources cited here as well as the collective experience of the Lab Tests Online Editorial Review Board. This article is periodically reviewed by the Editorial Board and may be updated as a result of the review. Any new sources cited will be added to the list and distinguished from the original sources used.