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. 2015 Aug 1;35(6):573–582. doi: 10.1007/s10875-015-0184-y

Table 3.

Days of stability of IgG, IgM, and IgA in DBSa

Analyte Room temperature 2 to 8 °C 36 to 38 °C −20 to −40 °C
IgG 14 14 4 14
IgM 14 14 4 14
IgA 14 14 3 10

aStorage in polyethylene bag

Maximum number of days evaluated at room temperature = 14; at 2°–8 °C = 14; at 36°–38 °C = 4; at −20° to −40 °C = 14