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.
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, contact interface support at interface.support@aruplab.com.
Cross References
  • A1-Antitrypsin
  • A1A
  • AAT
  • Alpha 1 Antitrypsin
  • Anti-Alpha-1-Trypsin