Specimen Requirements

Title

IgM (IMMUNOGLOBULIN M)

Specimen Requirement

1 SST/1.0 mL serum. After 30 minutes of clotting, promptly centrifuge and refrigerate.

Methodology

Stability

Refrigerated 7 days

Reference Range

By Report*

Turnaround

24 Hours

Clinical Use

Evaluate humoral immunity; establish the diagnosis and monitor therapy in macroglobulinemia of Waldenstrom or plasma cell myeloma. IgM levels are used to evaluate likelihood of in utero infections or acuteness of infection.

Test Code

IGMM