Specimen Requirements

Title

Immunoglobulins, Quantitative (IgG, IgA, IgM)

Specimen Requirement

Collect SST/2.0 mL serum. After 30 minutes of clotting, promptly centrifuge and send.

Alternate sample: Red top

Methodology

Immunologic

Stability

Room temp: 14 days, Refrigerated: 14 days, Frozen: 14 days

Reference Range

By Report*

Turnaround

1 day

Clinical Use

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.

Test Code

IGAMC