Red Blood Cell Count Test
The number of oxygen-carrying red cells in your blood.
What is Red Blood Cell Count?
The number of oxygen-carrying red cells in your blood.
Find a Red Blood Cell Count test
We offer panels that include this marker. Browse to find the best fit.
Browse testsRed Blood Cell Count Reference Range
These are the typical adult reference ranges used by major US labs. Your report will include the specific range used by the lab that processed your sample.
| Population | Range |
|---|---|
| Male, age 18+ | 4.70 – 6.10 10^6/uL |
| Female, age 18+ | 4.20 – 5.40 10^6/uL |
Reference ranges are educational. Always interpret your result with the specific range printed on your lab report and discuss anything outside the range with a clinician.
What your Red Blood Cell Count result may mean
Often reflects dehydration, smoking, or living at altitude.
Commonly associated with anemia, blood loss, or nutritional deficiency.
Educational only — not a diagnosis. Many factors can influence a single result. Discuss anything that concerns you with a healthcare provider.
Sources
Related Blood Health biomarkers
Markers commonly tested alongside Red Blood Cell Count.
Frequently asked
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