Hospital Virtual Tour

Alpha-1 antitrypsin - Results

Alternative Names

A1AT test

Normal Values:

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

What abnormal results mean:

Lower-than-normal levels of A1AT may be associated with:

Cirrhosis
Emphysema or COPD
Liver tumors
Obstructive jaundice
Portal hypertension

Reviewed last on: 9/24/2008
Benjamin Medoff, MD, Assistant Professor of Medicine, Harvard Medical School, Pulmonary and Critical Care Unit, Massachusetts General Hospital. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

References

Anthonisen N. Chronic Obstructive Pulmonary Disease. In: Goldman L, Auseillo D. Goldman: Cecil Medicine. Philadelphia, PA: Saunders Elsevier; 2007:chap 88.

The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed medical professional should be consulted for diagnosis and treatment of any and all medical conditions. Call 911 for all medical emergencies. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. © 1997- A.D.A.M., Inc. Any duplication or distribution of the information contained herein is strictly prohibited.

Home > Medical Reference > Encyclopedia (English)