Collection Notes: Avoid grossly hemolyzed and lipemic specimens.
Clinical Utility: Elevations of IgG, IgA, and/or IgM are seen in hpergammaglobulinemia, chronic inflammatory conditions, and in lymphoproliferative diseases. Decreased levels are associated with hypogammaglobulinemia and immunodeficiency states.
Serum (2 mL)
Ambient 3 Days
Refrigerated 7 Days
Frozen 6 Months
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