ALPHA-1-ANTITRYPSIN QUANTITATIVE; AAT

What this test checks

Tests for AAT deficiency — causes lung and liver disease.

Why do people get this test?

Used in unexplained emphysema or liver disease in younger people.

When you should consider this test

• Emphysema in non-smoker
• Liver disease of unclear cause
• Family history of AAT deficiency

How to prepare

No fasting needed.