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Immunoglobulin M (IgM) IGM

Specimen Required
Method(s)	Immunoturbidimetric
Synonym	IgM, Total
Collect	One 5 mL gold (SST) top tube. Also acceptable: Lithium heparinized plasma or EDTA plasma.
Transport	1 mL serum at 2-8ºC (Min: 0.5 mL).
Stability	Refrigerated: 7 days; Frozen: 3 months

Schedule	Daily, except Sundays
Billing Code	2010028
CPTCode	82784
Preferred Specimen Collection Device(s)
Gold Cap Tube with SST Gel & Clot Activator
Reference Interval
0 -3 years: 17 - 146 mg/dL 4 - 6 years: 24 - 210 mg/dL 7 - 9 years: 32 - 208 mg/dL 10 - 11 years: 31 - 180 mg/dL 12 - 13 years: 35 - 239 mg/dL 14 - 15 years: 15 - 188 mg/dL 16 - 18 years: 24 - 258 mg/dL 19 years and older: 50 - 300 mg/dL