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Nucleated Red Blood Cells
Abbreviation: nRBC
Panel: Complete Blood Count (CBC) · All complete blood count tests
Typical adult reference range
| Conventional units | 0 per 100 WBC |
| SI units | 0 per 100 WBC |
Ranges vary between laboratories and methods — compare your result with the range printed on your own report.
What a high or low result can mean
High nucleated red blood cells: presence in adults can be seen in severe anemia, bone marrow stress, or bone marrow disorders.
These are associations, not a diagnosis: the same result can have several causes, and your clinician interprets it with the rest of your results and history.
Good to know
Normally absent from adult peripheral blood.
Related tests — Complete Blood Count (CBC)
Please note: Reference ranges vary between laboratories, and between the methods and instruments they use — the range printed on your own report is the one your result should be compared with. A result outside the range is not by itself a diagnosis, and a result inside it does not rule out illness. These pages are an educational summary, not medical advice: always discuss your results with the clinician who ordered them, who can interpret them in the context of your health and history.