All
 C20 Immunologic Diseases D007154 +
 C20.673 Immunologic Deficiency Syndromes D007153 +
 C20.673.088 Agammaglobulinemia D000361 
 C20.673.290 Ataxia Telangiectasia D001260 
 C20.673.340 DiGeorge Syndrome D004062 
 C20.673.430 Dysgammaglobulinemia D004406 +
 C20.673.483 Deltaretrovirus Infections D006800 +
 C20.673.627 Lymphopenia D008231 +
 C20.673.774 Phagocyte Bactericidal Dysfunction D010585 +
 C20.673.972 Wiskott-Aldrich Syndrome D014923 
 C20.673.480 HIV Infections D015658 +
 C20.673.815 Severe Combined Immunodeficiency D016511 
 C20.673.330 Common Variable Immunodeficiency D017074 
 C20.673.600 Leukocyte-Adhesion Deficiency Syndrome D018370