ALPHA-1-ANTITRYPSIN, QUANTITATIVE

Test Code: S100Specimen Collection: Serum
Component:

Alpha-1-Antitrypsin

Method:

NEPH

Collection Notes: Avoid grossly lipemic and grossly icteric specimens.
Clinical Utility: Liver diseases caused by hereditary ?1-antitrypsin deficiency are sometimes found to exhibit normal serum concentrations due to an acute-phase reaction of the inflamed hepatic parenchyma. In most cases elevated ?1-antitrypsin values are not caused by genetic defects but are due to an acute-phase reaction to infection and inflammation in which the concentrations rise to three times the norm. Elevated values also occur during pregnancy and following ingestion of oral contraceptives.
CPT Code: Testing Location: Sent to reference lab
SPECIMEN/STABILITY TYPE
Temperature:

Serum (1 mL)

Room Temperature
 
72
 
Hours
Refrigerated
 
7
 
Days
Frozen
 
3
 
Months
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