Specimen Requirements

Title

IMMUNOGLOBULIN M, QUANTITATIVE (IgM)

Specimen Requirement

Collect SST or plain red top/send 1.0 mL serum.

Methodology

Immunoturbidimetric

Stability

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

Reference Range

By Report*

Turnaround

2 days

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