B cell deficiency +

congenital hypogammaglobulinemia
hyperimmunoglobulin syndrome +
immunodeficiency 61
immunodeficiency 62
immunoglobulin alpha deficiency
immunoglobulin beta deficiency
lambda 5 deficiency
selective immunoglobulin deficiency disease +

agammaglobulinemia 1
agammaglobulinemia 10
agammaglobulinemia 2
agammaglobulinemia 3
agammaglobulinemia 4
agammaglobulinemia 5
agammaglobulinemia 6
agammaglobulinemia 7
agammaglobulinemia 8A
agammaglobulinemia 8B
agammaglobulinemia 9
common variable immunodeficiency +
transient hypogammaglobulinemia +
X-linked agammaglobulinemia