ICD-11 definition : Polycythemia of the neonate represents an excessive quality of circulating red blood
cells due to excessive marrow production and hematocrits that exceed 60%.;
ICD-11 synonym : neonatal polycythemia; plethora of newborn;
Polycythemia of the neonate represents an excessive quality of circulating red blood
cells due to excessive marrow production and hematocrits that exceed 60%.