The prognostic value of nucleated red blood cell count at birth in relation t o neonatal outcome has been established. However, reference values were needed t o usefully interpret this variable. The normal range of reference values for abs olute nucleated red blood cell count in 695 preterm and term newborns is reporte d. The prognostic value of nucleated red blood cell count at birth in relation to neonatal outcome has been established. However, reference values ​​were needed to usefully interpret this variable. The normal range of reference values ​​for abs olute nucleated red blood cell count in 695 preterm and term newborns is reporte d.