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 288.9 Unspecified disease of white blood cells View the most recent version of ICD-9-CM 288.9 Disordered formation of various types of leukocytes or an abnormal accumulation or deficiency of these cells. 288.9 is a specific code that can be used to specify a diagnosis 288.9 contains 5 index entries View the ICD-9-CM Volume 1 288.* hierarchy  Index entries containing 288.9: Disease, diseased - see also Syndrome white blood cell 288.9 specified NEC 288.8 Findings, abnormal, without diagnosis (examination) (laboratory test) 796.4 white blood cell 288.9 count 288.9 elevated low differential 288.9 morphology 288.9