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Reticulocyte Count
Panel: Complete Blood Count (CBC) · All complete blood count tests
Typical adult reference range
| Conventional units | 0.5–2.5 % |
| SI units | 0.5–2.5 % |
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 reticulocyte count: high values can be seen during recovery from anemia and in hemolysis or recent blood loss.
Low reticulocyte count: low values may occur when red cell production is reduced.
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
Reticulocytes are young red blood cells newly released from the bone marrow.
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.