MONDO_0008090 (cyclic hematopoiesis) is a hematologic disorder caused by a mutation in the ELANE (ELA2) gene; clinical manifestations include recurrent neutropenia with resultant susceptibility to infection leading to fever. Also known as: CH, CN, cyclic agranulocytosis, cyclical neutropenia, dysplasia, myelocytic periodic, neutropenia, cyclic, neutropenia, periodic, periodic neutropenia.