2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of Blood And Blood-Forming Organs 280-289 > Diseases Of White Blood Cells 288.* > 2006 ICD-9-CM Diagnosis 288.0 Agranulocytosis View the most recent version of ICD-9-CM 288.0 A decrease in the number of GRANULOCYTES (BASOPHILS, EOSINOPHILS, and NEUTROPHILS). A deficiency in the number of granulocytes, a type of white blood cell. A decrease in the number of neutrophilic leukocytes in the blood. An abnormal decrease in the number of neutrophils, a type of white blood cell. A decrease in the number of mature granulocytes (neutrophils, eosinophils, and basophils) in the peripheral blood. -- 2004 288.0 is a specific code that can be used to specify a diagnosis 288.0 contains 47 index entries View the ICD-9-CM Volume 1 288.* hierarchy Alternate Terminology Infantile genetic agranulocytosis Kostmann's syndrome Neutropenia: NOS cyclic drug-induced immune periodic toxic Neutropenic splenomegaly 288.0 Excludes transitory neonatal neutropenia (776.7)