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Alpha-1-Antitrypsin Phenotype (Includes Alpha-1-Antitrypsin)
0080500
Ordering Recommendation
Determine specific AAT protein variant(s) in individual with decreased concentration of AAT (<90mg/dL).
Mnemonic
A1A PHENO
Methodology
Qualitative Isoelectric Focusing/Immunoturbidimetry
Performed
Sun-Sat
Reported
2-4 days  
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
Additional Technical InformationAdditional Technical Information
 
Specimen Required
Patient Preparation
  
Collect
Serum separator tube or plain red.  
Specimen Preparation
Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min: 0.3 mL)  
Storage/Transport Temperature
Refrigerated.  
Unacceptable Conditions
  
Remarks
  
Stability
After separation from cells: Ambient: 1 week; Refrigerated: 3 months; Frozen: 3 months (avoid repeated freeze/thaw cycles)  
Reference Interval
 
 
Test Number Components Reference Interval
 Phenotype By report
0050001Alpha-​1-​Antitrypsin Effective November 17, 2014
90-​200 mg/dL
Interpretive Data
 
Note
Interpret with caution if the patient has been transfused within the previous 21 days.
CPT Code(s)
82104; 82103
Components
Component Test Code*Component Chart NameLOINC
0050001Alpha-1-Antitrypsin1825-9
0099005A1A Phenotype32769-2
* 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
  • a-1-Antitrypsin, Phenotype
  • A1A genotyping/phenotyping reflex
  • A1A Phenotype
  • A1A Phenotyping
  • A1A reflex
  • AAT deficiency
  • AAT Phenotype
  • AAT Phenotyping
  • AAT Reflex
  • Alpha 1 Antitrypsin
  • Antitrypsin
  • Antitrypsin, Phenotype
  • Pi Typing
  • Protease Inhibitor Allo Typing
  • Protease Inhibitor Typing