Alpha-1-Antitrypsin
0050001
Ordering Recommendation
Determines AAT enzyme plasma concentration for the initial evaluation of  A1AT deficiency.
Mnemonic
A1A
Methodology
Quantitative Immunoturbidimetry
Performed
Sun-Sat
Reported
Within 24 hours  
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
Specimen Required
Patient Preparation
  
Collect
Plasma separation tube or serum separator tube. Also acceptable: Lavender (EDTA) or pink (K2EDTA).  
Specimen Preparation
Allow specimen to clot completely at room temperature. Separate serum or plasma from cells ASAP or within 2 hours of collection. Transfer 0.5 mL serum to an ARUP Standard Transport Tube. (Min: 0.2 mL)  
Storage/Transport Temperature
Refrigerated.  
Unacceptable Conditions
Hemolyzed specimens.  
Remarks
  
Stability
After separation from cells: Ambient: 1 week; Refrigerated: 3 months; Frozen: 3 months (avoid repeated freeze/thaw cycles)  
Reference Interval
100-200 mg/dL  
Interpretive Data
 
Note
 
CPT Code(s)
82103
Components
Component Test Code*Component Chart Name
0050001Alpha-1-Antitrypsin
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • A1-Antitrypsin
  • A1A
  • AAT
  • Alpha 1 Antitrypsin
  • Anti-Alpha-1-Trypsin