ARUP's Laboratory Test Directory

Alpha-1-Antitrypsin : 0050001
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Additional Technical Information
  


Mnemonic: A1A

Methodology: Quantitative Immunoturbidimetry
Performed: Sun-Sat
Reported: Within 24 hours
Specimen Required: 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.

Stability (collection to initiation of testing): After separation from cells: Ambient: 1 week; Refrigerated: 3 months; Frozen: 3 months (avoid repeated freeze/thaw cycles)

Reference Interval:
100-200 mg/dL
CPT Code(s): 82103
Cross References: A1-Antitrypsin (Alpha-1-Antitrypsin), AAT (Alpha-1-Antitrypsin)