Blood Alanine Aminotransferase Test (ALT)
|Why is this test done?
|ALT is measured to detect certain liver problems and to follow their progression.
|How to prepare:
|AST (aspartate aminotransferase), alkaline phosphatase and bililrubin are usually measured along with ALT.
Alanine aminotransferase is an enzyme required for the body's proper functioning. It is found in several areas of the body, such as the muscles, the heart, the kidneys, but mostly in the liver. Increased blood levels are almost always associated with liver damage. ALT is essentially a marker of hepatocellular damage.
What does an abnormal test result mean?
If the result is to high
Various liver problems, such as viral or drug-induced hepatitis, liver cirrhosis or severe liver congestion can increase blood ALT levels. Excessive alcohol intake can also result in increased levels. Extenuating exercise can also induce elevated ALT levels.
Factors that can affect the result of the test
Obesity is linked with higher ALT levels. Certain drugs can increase alanine aminotransferase levels, such as:
What you need to know before the test
Before going for blood tests, a procedure or other exam, it is best to always bring a list of all the drugs you take (prescription, OTC and natural health products). Unless told otherwise, you should take your medication as usual on the day of the test. When in doubt, ask your pharmacist for more information
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The patient information leaflets are provided by Vigilance Santé Inc. This content is for information purposes only and does not in any manner whatsoever replace the opinion or advice of your health care professional. Always consult a health care professional before making a decision about your medication or treatment.