The Alpha-1 Antitrypsin (AAT) Test measures the level of AAT protein in the blood. It helps diagnose genetic and liver-related disorders.
ALPHA 1-ANTITRYPSIN The Alpha-1 Antitrypsin (AAT) Test is a blood test used to measure the level of alpha-1 antitrypsin, a protein produced by the liver that protects the lungs from damage caused by enzymes released during inflammation. It may also be used for family screening in suspected genetic cases.
The Alpha-1 Antitrypsin Test is performed to:
Diagnose Alpha-1 Antitrypsin Deficiency
Evaluate unexplained lung diseases
Assess liver disorders
Screen individuals with a family history of genetic conditions
Monitor disease progression