IgA (IGA)

Department: Chemistry
Test Synonym(s): LAB73, IGA, Immunoglobulin A
CPT Codes: 82784
Methodology: Immunoturbidimetric
Reference Range: 0-<3 mos 1-34 mg/dL; 3 mos-<1 yr: 8-91 mg/dL; 1-<3 yrs: 0-90 mg/dL; 3-<6 yrs: 30-150 mg/dL; 6-<14 yrs: 50-220 mg/dL; 14-<19 yrs: 50-290 mg/dL; 19-<60 yrs: 65-421 mg/dL (female), 63-484 mg/dL (male); 60-150 yrs: 69-517 (female), 101-645 (male) (Pediatric Reference Ranges only verified for serum, see CALIPER Study in Colantonio DA, et.al Clin Chem 2012;58(5):854-868.)
Tube Type: Light green top PST (Lithium Heparin with gel)
Specimen: Plasma
Pediatric Requirements: 1 light green top microtainers
Volume: 2 mL plasma
Minimum Volume: 1 light green top
Temperature: Separate immediately from clot and analyze promptly.
Stability: Room temperature: 7 days; Refrigerated: 7 days; Frozen: 6 months
Reasons for Rejection: Hemolysis, improper collection
Days Performed: Daily
Times Performed: Continuous

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