RDW-CV (Red Cell Distribution Width)
RDW-CV shows how much red blood cells differ in size. A rise means a mixed cell population.
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Normal ranges
Adults: 10–17%.
Units: %
Causes of deviations
Low levels:
Usually has no meaning.
High levels:
Iron, vitamin B12 or folate deficiency, mixed anemia.
When to see a doctor
If the value is outside the range, discuss it with your doctor.
Related biomarkers
Panels
Cbc
Conditions
Anemia
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