Immunoglobulin M (IgM)

Age g/L
Adult: 0.4-2.3
Cord blood: 0.06-0.24

1 mth: 0.19-0.83
2 mth: 0.16-1.00
3 mth: 0.23-0.85
4 mth: 0.26-0.96
5 mth: 0.31-1.03
6 mth: 0.33-0.97
7-9 mth: 0.32 1.20
10-12 mth: 0.39-1.42

1 yr: 0.41-1.64
2 yr: 0.46-1.60
3 yr: 0.45-1.90
4-5 yr: 0.41-1.86
6-8 yr: 0.46-1.97
9-10 yr: 0.49-2.30