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A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
Alpha-1-Antitrypsin (AAT) Phenotype
Test Code853
CPT Codes
82104
Preferred Specimen
1 mL serum
Minimum Volume
0.1 mL
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
Room temperature: 8 hours
Refrigerated: 14 days
Frozen: 30 days
Refrigerated: 14 days
Frozen: 30 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Received room temperature
Methodology
Isoelectrofocusing
Setup Schedule
Monday, Wednesday, Friday Evening Report available: 4 Days
Reference Range
See Laboratory Report
Clinical Significance
More than 40 phenotypes of 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.