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| Title | IgM (IMMUNOGLOBULIN M) |
| Specimen Requirement | <p>1 SST/1.0 mL serum. After 30 minutes of clotting, promptly centrifuge and refrigerate.</p> |
| Methodology | |
| Stability | Refrigerated 7 days |
| Reference Range | By Report* |
| Turnaround | 24 Hours |
| Clinical Use | <p>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.</p> |
| Test Code | IGMM |
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