Reticulocyte % Test
The percentage of red blood cells that are immature (newly produced).
What is Reticulocyte %?
The percentage of red blood cells that are immature (newly produced).
Reticulocyte % 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 |
|---|---|
| age 18+ | 0.500 – 2.50 % |
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.
Sources
Related Blood Health biomarkers
Markers commonly tested alongside Reticulocyte %.
Frequently asked
No. TestWell's licensed physician network reviews and approves your order — usually within minutes. You can place an order online without an in-person visit or a referral from your own doctor.
Ready to test your reticulocyte %?
Order in two minutes, get physician-approved, and visit a lab the same day. Starts at $19.99.