Immunoglobulins, Quantitative (IgG, IgA, IgM)
Collect SST/2.0 mL serum. After 30 minutes of clotting, promptly centrifuge and send.
Alternate sample: Red top
Room temp: 14 days, Refrigerated: 14 days, Frozen: 14 days
Used to evaluate humoral immunity, monitor therapy in myeloma; used to detect abnormal levels of the three major classes (IgG, IgA and IgM); used to help diagnose immunodeficiencies.