Decreased total neutrophil count SNOMEDCT_US:165517008 Low neutrophil count HP:0005515 Neutropoenia UMLS:C0853697 HP:0005533 Neutropenia Low blood neutrophil count Peripheral neutropenia Mild neutropenia is defined as an absolute neutrophil count of less than 1500 cells per microliter of blood, moderate less than 1000 cells per microliter of blood and, and severe is less than 500 cells per microliter of blood. HP:0001875 Abnormal decrease of absolute number of neutrophils in the blood, per microlitre, compared to a reference range for a given sex and age-group. Abnormal leukocyte morphology