disease caused by disruption of disease has basis in disruption of immune system process syndromic disease Mendelian disease immune system disease immunodeficiency disease COHD:433740 Disease in which there is a deficiency or defect in the mechanisms of immunity, either cellular or humoral. ICD9:279.3 MONDO:0021094 NCIT:C3131 OMIMPS:300755 SCTID:234532001 immuno-deficiency immunodeficiency immunodeficiency disorder immunodeficiency syndrome