Nucleated RBC are counted by the number of RBC per white blood cell (WBC). A normal nucleated RBC reference range for adults and children is a count of 0 nucleated RBC/100 WBC. Complete Blood Count – Everything You Need to Know. Having a count of nucleated RBC is a condition called normoblastemia.

What does high NRBC mean in a blood test?

The presence of circulating NRBCs, outside of the neonatal period or occasionally during pregnancy, generally indicates either increased red blood cell production or bone marrow infiltration by malignant cells, fibrosis, granulomas, etc.

What is NRBC in blood test low?

The appearance of nucleated red blood cells (NRBC) in the circulation is associated with a variety of severe diseases, and indicates a relatively poor prognosis. Whether a malfunction of the bone marrow leads to this phenomenon is as unknown as the possible role that cytokines could play in this process.