Tags: Disease.
Combined immunodeficiencies (or combined immunity deficiency) are immunodeficiency disorders that involve multiple components of the immune system including both humoral immunity and cell-mediated immunity.This category includes conditions such as bare lymphocyte syndrome as well as severe combined immunodeficiency.ICD-9 divides immune deficiencies into three categories: humoral (279.0) cell-mediated (279.1) and combined (279.2).