Genetic anomalies of leukocytes

**Inclusion terms:** - Alder (granulation) (granulocyte) anomaly - Alder syndrome - Hereditary leukocytic hypersegmentation - Hereditary leukocytic hyposegmentation - Hereditary leukomelanopathy - May-Hegglin (granulation) (granulocyte) anomaly - May-Hegglin syndrome - Pelger-Huët (granulation) (granulocyte) anomaly - Pelger-Huët syndrome

**Excludes1:** - Chédiak (-Steinbrinck)-Higashi syndrome (E70.330)