has characteristic has characteristic idiopathic idiopathic disease severe chronic neutropenia severe idiopathic neutropenia https://github.com/monarch-initiative/mondo/issues/10437 MONDO:1060265 chronic idiopathic neutropenia An idiopathic form of severe chronic neutropenia that cannot be classified as congenital, cyclic or autoimmune neutropenia, and is not explained by drug exposure, bone marrow failure, malignancy or systemic autoimmune disease. Symptoms are usually less severe than in congenital neutropenia, but infections can be life-threatening in some patients.