preferred_name: Variable immunoglobulin deficiency (IgA, IgE, IgM, IgG)
preferred_name_lc: variable immunoglobulin deficiency (iga, ige, igm, igg)
label: Variable immunoglobulin deficiency (IgA, IgE, IgM, IgG)
label_lc: variable immunoglobulin deficiency (iga, ige, igm, igg)