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Vanderbilt Pathology Laboratory Services

Test Directory



ALPHA 1 ANTITRYPSIN BLOOD (A1A)

Department: Chemistry
Test Synonym(s): A1A
CPT Codes: 82103
Methodology: Turbidimetric / Immunoturbidimetric
Reference Range: 0-150 yrs: 90-200 md/dL
Tube Type: Light green PST (Lithium Heparin with gel) tube - 4.5 mL
Specimen: Serum / Plasma
Alternate Specimen: Red top tube (no gel) - 5 mL, EDTA
Pediatric Requirements: Draw 2 bullets, lithium or sodium heparin
Volume: 2 mL plasma
Minimum Volume: 0.3 mL plasma
Stability: 20-25 C: 3 months; 2-8 C: 5 months; -20 C: 3 months
Reasons for Rejection: Hemolysis, Lipemia, QNS, improper collection

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