About ALT Blood Test (SGPT) for Liver

This blood test measures levels of Alanine Aminotransferase (ALT), an enzyme in the blood, to help determine liver disease or damage. The ALT test is also used.

The ALT Blood Test (SGPT) for Liver is a laboratory test. Your health care provider can explain what it measures and whether it is appropriate for your situation.

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How to prepare

Most lab tests require a blood or other sample. Follow any instructions given by your healthcare provider or the testing laboratory. Tell your provider about medications, supplements, or recent illnesses that might affect results.