Immunodeficiency 99 with Hypogammaglobulinemia and Autoimmune Cytopenias, is also known as imd99. An important gene associated with Immunodeficiency 99 with Hypogammaglobulinemia and Autoimmune Cytopenias is CTNNBL1 (Catenin Beta Like 1). Affiliated tissues include b cells and t cells, and related phenotypes are growth delay and vitiligo