There are 2 tests required to correctly diagnose alpha-1 antitrypsin deficiency.The first test is called an alpha-1 antitrypsin (AAT) level, the second more informative test is called an AAT phenotype.  An AAT level

Alpha-1 antitrypsin deficiency (Alpha-1) is a genetic condition which, after cystic fibrosis, is the commonest genetic disorder in Ireland. It severely affects more than 15,000 people, with another 250,000 carriers also at risk

Alpha-1 antitrypsin is a vital protein produced by the liver to protect the lungs. It provides protection from the harmful effects of infections and inhaled irritants, particularly tobacco smoke. It can be easily