Selective deficiency of immunoglobulin G This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Selective_deficiency_of_immunoglobulin_G".
IgG deficiency (Selective deficiency of immunoglobulin G) is a form of dysgammaglobulinemia where the proportional levels of IgG are reduced relative to other immunoglobulin.
It is possible to have a deficiency of specific subclasses of IgG.12
Paraproteinemia (Cryoglobulinemia, Heavy chain disease, POEMS syndrome, Monoclonal gammopathy of undetermined significance)