A blood test can
measure the amount of alpha-1 antitrypsin (AAT) in your blood. You may have AAT
deficiency if your levels are low or if the blood test is not able to find any
AAT in your blood. If your AAT level is lower than normal, the blood sample can
be tested to look for abnormal types of alpha-1 antitrypsin. People who carry the
changed gene may be more at risk for symptoms if they have certain types of
This information is produced and provided by the National
Institute (NCI). The information in this topic may have changed since it was written. For the most current information, contact the National
Institute via the Internet web site at http://
.gov or call 1-800-4-CANCER.
WebMD Medical Reference from Healthwise
January 24, 2014
This information is not intended to replace the advice of a doctor.
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