Specimen Requirements
Title
Immunoglobulin M, (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