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An alanine aminotransferase (ALT) test measures the amount of the enzyme ALT in the blood. ALT is found mainly in the liver. When ALT levels are higher than normal, it can mean that the liver is damaged or diseased.
The ALT test is done to:
Avoid strenuous exercise just before having an ALT test.
A health professional uses a needle to take a blood sample, usually from the arm.
The test will take a few minutes.
Follow-up care is a key part of your treatment and safety. Be sure to make and go to all appointments, and call your doctor or nurse call line if you are having problems. It's also a good idea to keep a list of the medicines you take. Ask your doctor when you can expect to have your test results.
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Adaptation Date: 3/1/2022
Adapted By: Alberta Health Services
Adaptation Reviewed By: Alberta Health Services
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