Laboratory Test Information Guide

Details for Alpha 1-Antitrypsin,Serum

Test Name: Alpha 1-Antitrypsin,Serum
Alternate Name(s): Alpha Protease Inhibitor
Laboratory: Clinical Immunology
Specimen Type: 5 mL Gold top or 6 mL Red top Vacutainer tube
Lithium heparinized plasma may also be accepted
Pediatric:
0-2 yrs: Red Microtainer
2-10 yrs: 2 mL Red top
Collection Information: Adults: Minimum required serum volume is 360 uL
Pediatric: Minimum volume required is 150 ul


Serum drawn from a fasting individual is preferred.
Requisition: GENERAL LABORATORY REQUISITION
Test Schedule: Monday-Friday
0700-1500 h
Turnaround time from when specimen
is received in testing laboratory:
 
Routine
5 days
Stat
N/A
 
Reference Range: 0.90-2.00 g/L
Effective Date: 2010-01-11
Revised Date: 2019-01-09
Critical Value:  
Interpretive Comments: Homozygote deficiency usually yields less than 0.6 g/L. Levels rise in acute phase reaction.
Special Processing:  
Comments: A genetic deficiency associated with neonatal childhood cirrhosis, and early onset emphysema.
Method of Analysis: Turbidimetry
Critical Information Required:  
Storage & Shipment: Store sample at 2-8C for up to 4 days. If sample must be stored for longer, store specimen at -20C. Avoid freeze/thaw cycles.
System Codes: 
Cerner
A1AT
 
Referred To:  

Questions? Comments? Contact Laura Gopaul