Alpha-1 Antitrypsin
Also known as: Alpha1-antitrypsin; A1AT; AAT
Formal name: Alpha1 antitrypsin
At a Glance
Why Get Tested?
To help diagnose the cause of early onset emphysema and/or liver dysfunction; to establish the risk of developing alpha-1 antitrypsin deficiency-related emphysema and/or liver disease and determine the likelihood that children might inherit the risk
When to Get Tested?
When you show signs of liver disease as an infant or young child, when you develop emphysema before age 40, or when you have a close relative with alpha-1 antitrypsin deficiency
Sample Required?
A blood sample drawn from a vein in your arm
Test Preparation Needed?
None
