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What is an alanine aminotransferase test?

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The alanine aminotransferase test is a blood test that checks for liver damage. Your doctor can use this test to find out if a disease, drug, or injury has damaged your liver. Diseases like hepatitis and cirrhosis can damage your liver and prevent it from removing toxins from your blood and many other jobs.

SOURCES:

American Association for Clinical Chemistry: "ALT."

Mayo Clinic: "Liver Disease: Definition." "Liver function tests."

Medscape: "Alanine Aminotransferase."

National Heart, Lung, and Blood Institute: "What To Expect With Blood Tests."

Nemours Foundation: "Blood Test: Alanine Aminotransferase (ALT, or SGPT)."

University of Rochester Medical Center: "ALT."

Reviewed by Jennifer Robinson on May 14, 2019

SOURCES:

American Association for Clinical Chemistry: "ALT."

Mayo Clinic: "Liver Disease: Definition." "Liver function tests."

Medscape: "Alanine Aminotransferase."

National Heart, Lung, and Blood Institute: "What To Expect With Blood Tests."

Nemours Foundation: "Blood Test: Alanine Aminotransferase (ALT, or SGPT)."

University of Rochester Medical Center: "ALT."

Reviewed by Jennifer Robinson on May 14, 2019

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What is the role of the liver relative to an alanine aminotransferase test?

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