
This test measures the amount of alpha-1 antitrypsin (AAT) in the blood. AAT is a protein that is made in the liver. It helps protect your lungs from damage and diseases, such as emphysema and chronic obstructive pulmonary disease (COPD). Test Name ALPHA-1-ANTITRYPSIN QUANTITATION; AAT Purpose Congenital deficiency of AAT is associated with early lung disease, Neonatal hepatitis and Infantile cirrhosis. PreTest Preparations No special preparation required Category Genetic Disorders Specimen 2 mL (0.5 mL min.) serum from 1 […]