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| Title | IgG (IMMUNOGLOBULIN G) |
| 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; monitor therapy in IgG myeloma; quantitate IgG; evaluate patients, especially children and those with lymphoma, with propensity to infections. In congenital hypogammaglobulinemia, the IgG is less than 200 mg/dL by 6 months of age. Acquired hypogammaglobulinemia may occur at any age and has IgG concentrations less than 500 mg/dL. IgG concentrations may also be decreased in combined cell-mediated and antibody immunodeficiencies.</p> |
| Test Code | IGGM |
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