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HelpTest Code IGM Immunoglobulin M (IgM), Serum or Plasma
Additional Codes
St. Luke's Compendium Code (Iatric): L700.7801
Performing Laboratory
St. Lukes Hospital Laboratory
Methodology
Nephelometry
Specimen Requirements
Speparated specimens are stable for 7 days at 2-8C
Serum and plasma (lithium heparin) are the recommended samples types for this assay.
Draw blood in a serum or plasma (lithium heparin) gel tube(s). Spin down and send 1 mL of serum/plasma refrigerated.
Unspun specimens must be transported at ambient temperature and arrive to the laboratory within one hour of draw.
Reference Values
| Age | Reference Range (mg/dL) |
|---|---|
| 0-<5 months | 26-122 |
| 5-<9 months | 32-132 |
| 9-<15 months | 40-143 |
| 15-<24 months | 46-152 |
| 2-<4 Years | 37-184 |
| 4-<7 Years | 37-224 |
| 7-<10 Years | 38-251 |
| 10-<13 Years | 41-255 |
| 13-<16 Years | 45-244 |
| 16-<18 Years | 49-201 |
| ≥18 Years | 37-286 |
Day(s) Test Set Up
Monday through Sunday
Test Classification and CPT Coding
CPT: 82784
LOINC: 2472-9