All tests · Complete Blood Count (CBC) · Red Blood Cell Count (RBC)
Above the range
Normal range 4.2-5.9 10⁶/µL (4.2-5.9 10¹²/L SI). Specimen: Whole blood (EDTA). See the full Red Blood Cell Count (RBC) reference page for critical values and nursing considerations.
Above the range
Looking for the other direction? See what causes a low Red Blood Cell Count (RBC).
The standard teaching reference range for Red Blood Cell Count (RBC) is 4.2-5.9 10⁶/µL in conventional units, or 4.2-5.9 10¹²/L in SI units. This value is measured in whole blood (edta).
| Specimen | Whole blood (EDTA) |
|---|---|
| Conventional range | 4.2-5.9 10⁶/µL |
| SI range | 4.2-5.9 10¹²/L |
| Panel | Complete Blood Count (CBC) |
Full details, including nursing considerations, on the Red Blood Cell Count (RBC) normal range page. Reference ranges vary by laboratory, method, age, sex, and population - always use the range printed on the actual result.
Same panel