Alpha-1 antitrypsin test

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A1AT test

Normal value ranges may vary slightly among different laboratories. Talk to your doctor about the meaning of your specific test results.

Lower than normal levels of A1AT may be associated with:

• Cirrhosis
• Emphysema
• Liver tumors
• Obstructive jaundice
• Portal hypertension

Review Date: 05/23/2010
Reviewed By: David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org).

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