Leukopenia is a condition where there is abnormally low number of white blood cells (leukocytes). Types of leukopenia include:  AgranulocytosisNeutropenia Leukopenia: Circulating white blood cell (WBC) count to < 4000/mcL (< 4 × 109/L). Neutropenia: Circulating blood neutrophil count to < 1500/mcL (< 1.5…