Test Code IGMS Immunoglobulin M (IgM)
Performing Laboratory
St. Clair Hospital Laboratory
Specimen Requirements
Preferred Specimen: Serum Gel, or plain red serum tube
Alternate Specimens: Plasma: Li-heparin and K2-EDTA.
Sample Stability:
2 months at 15 - 25 ºC
4 months at 2 - 8 ºC
6 months at -15 to -25 ºC
Additional Test Information
Expected Values: (as follows):
Age (years) IgM (mg/dL)
19+ (adults) 40 - 230
16 – 19 23 – 259 (<25 – 259)
14 – 15 15 – 188 (<25 – 188)
12 – 13 35 - 239
10 – 11 31 - 179
7 – 9 31 - 208
4 – 6 24 – 210 (<25 – 210)
1 – 3 19 – 146 (<25 – 146)
0 – 1 0- 145 (<25 – 145)