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Immunoglobulin D (IgD) normal and 95
th
percentile values by age
Immunoglobulin D (IgD) normal and 95
th
percentile values by age
Age (years)
Average normal IgD (mg/dL)
Upper limit reference range IgD*
0 to 0.5
0.07
0.21
0.5 to 1
0.34
1.64
1 to 2
0.71
6.58
2 to 4
1.60
20.4
4 to 6
4.82
29.1
6 to 10
4.49
41.4
10 to 15
4.84
23.6
>15
1.95
23.7
IgD: immunoglobulin D.
* >2 standard deviations above the mean for age.
Data from: Haraldsson A, Weemaes CM, Jonasdottir S, et al. Serum immunoglobulin D in infants and children. Scand J Immunol 2000; 51:415.
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