Immunodeficiency with Hyper-Igm, Type 3, also known as hyper-igm syndrome type 3, is related to multiple congenital anomalies-hypotonia-seizures syndrome 3 and cd40 ligand deficiency. An important gene associated with Immunodeficiency with Hyper-Igm, Type 3 is CD40 (CD40 Molecule), and among its related pathways/superpathways are Innate Immune System and ERK Signaling. Affiliated tissues include b cells and t cells, and related phenotypes are immunodeficiency and neutropenia