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 Code
853 (8166)


Preferred Specimen
Red Top


Minimum Volume
0.1 mL


Transport Container
Transport tube


Transport Temperature
Refrigerated (cold packs)


Specimen Stability
Room temperature: 8 hours
Refrigerated: 14 days
Frozen: 30 days


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Received room temperature


Methodology
Isoelectrofocusing

Setup Schedule
a.m. and p.m. Daily


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.




The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.