Alpha-1-Antitrypsin level may be increased in normal pregnancy and in several diseases including chronic pulmonary disease; hereditary angioedema; renal, gastric, liver and pancreatic diseases; diabetes; carcinomas and rheumatoid diseases. Alpha-1-Antitrypsin may be decreased in emphysema, hepatic cirrhosis, respiratory distress syndrome of the newborn, nephrosis, malnutrition and cachexia. If a deficiency is present, aat phenotyping may be considered to confirm heterozygous versus homozygous deficiencies.
1.0 mL Serum from a Red Top Tube in a Plastic Vial
7 days Ambient
7 days Refrigerated
90 days Frozen
0.5 mL Serum
83-199 mg/dL
Alpha-1-Antitrypsin level may be increased in normal pregnancy and in several diseases including chronic pulmonary disease; hereditary angioedema; renal, gastric, liver and pancreatic diseases; diabetes; carcinomas and rheumatoid diseases. Alpha-1-Antitrypsin may be decreased in emphysema, hepatic cirrhosis, respiratory distress syndrome of the newborn, nephrosis, malnutrition and cachexia. If a deficiency is present, aat phenotyping may be considered to confirm heterozygous versus homozygous deficiencies.
2 to 3 days
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