Benign ethnic neutropenia: what is a normal absolute neutrophil count?

TB Haddy, SR Rana, O Castro - Journal of Laboratory and Clinical …, 1999 - Elsevier
Approximately 25% to 50% of persons of African descent and some ethnic groups in the
Middle East have benign ethnic neutropenia, with low leukocyte and neutrophil counts. It is
important to recognize the existence of this condition, the most common form of neutropenia
throughout the world, and thus avoid both under-and overevaluation. Although there is no
scientific basis for an absolute neutrophil count of 1.5× 109/L to be considered minimal,
counts below this level are empirically regarded as inadequate in persons of all ethnic …