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Alpha-1-Antitrypsin (AAT) Phenotype
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See Laboratory Report
More than 40 phenotypes of Alpha-1-Antitrypsin (AAT) exist. The inherited deficiency, seen most often as the ZZ, SS and SZ phenotypes, is associated with neonatal hepatitis and infantile cirrhosis. In adults, these phenotypes are associated with chronic lung disease, including emphysema and chronic bronchitis.
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Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.
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