ARUP's Laboratory Test Directory

Alpha-1-Antitrypsin Phenotype (Includes Alpha-1-Antitrypsin) : 0080500
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Additional Technical Information
  


Mnemonic: A1A PHENO

Methodology: Qualitative Isoelectric Focusing/Immunoturbidimetry
Performed: Mon, Wed, Fri
Reported: Between 2 and 4 days
Specimen Required: Collect: Serum separator tube.

Specimen Preparation: Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min: 0.3 mL)

Storage/Transport Temperature: Refrigerated.

Stability (collection to initiation of testing): After separation from cells: Ambient: 8 hours; Refrigerated: 5 days; Frozen: 2 weeks (avoid repeated freeze/thaw cycles)
Reference Interval:
 
Test Number Components Reference Interval
 Phenotype By report
0050001Alpha-1-Antitrypsin 100-200 mg/dL

Note: Interpret with caution if the patient has been transfused within the previous 21 days.
CPT Code(s): 82104; 82103
Cross References: A1A Phenotype (Alpha-1-Antitrypsin Phenotype (includes Alpha-1-Antitrypsin)), AAT Phenotype (Alpha-1-Antitrypsin Phenotype (includes Alpha-1-Antitrypsin)), Pi Typing (Alpha-1-Antitrypsin Phenotype (includes Alpha-1-Antitrypsin)), Protease Inhibitor Typing (Alpha-1-Antitrypsin Phenotype (includes Alpha-1-Antitrypsin))