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Alpha-1 Antitrypsin

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Also known as: Alpha1-antitrypsin; A1AT; AAT
Formal name: Alpha1 Antitrypsin; α1-antitrypsin

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At a Glance

Why Get Tested?

To help diagnose the cause of early onset emphysema and/or liver dysfunction; to establish the risk of emphysema and/or liver disease due to alpha-1 antitrypsin deficiency and determine the likelihood that children might inherit the risk

When to Get Tested?

When your infant or young child show signs of liver disease; when you develop emphysema before age 40; when you have chronic obstructive pulmonary disease (COPD) or unexplained liver disease at any age; 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?