Posibleng Mga Sanhi para sa Pagbaba ng Bilang ng Neutrophil Malubhang Aplastic Anemia Kakulangan ng Bitaminang B12 Trangkaso Chronic Alcoholism Iron Deficiency Anemia Infectious Mononucleosis Non-Hodgkin Lymphoma Malalang Respiratory Distress Syndrome Rheumatoid Arthritis Graves Disease Metastasis sa Buto Febrile Neutropenia Pernicious Anemia Leukemia Aplastic Anemia Di-paggana ng Atay Sarcoidosis Agranulocytosis Multiple Myeloma Systemic Lupus Erythematosus Sjögren Syndrome Chronic na Lymphocytic Leukemia Primary Myelofibrosis Hepatitis B Kakulangan ng Folic Acid Paroxysmal Nocturnal Hemoglobinuria Gaucher Disease Waldenstrom Macroglobulinemia Malaria Precursor-Cell Lymphoblastic Leukemia