Decreased total granulocyte count Absence of circulating granulocytes 2013-03-31T09:42:50Z Absence of detectable circulating granulocytes in the blood. Usually a value of less than 50 cells per microliter is considered to be an absence. SNOMEDCT:17182001 ICD10:D70 MESH:D000380 DOID:12987 Agranulocytosis is defined as an absolute neutrophil count less than 500 cells/microliter. Agranulocytosis HP:0012234 NCIt:C107102 UMLS:C0702094