Reticulocyte Count
Department of Haematology
Notes
- The number of immature red cells in the peripheral blood reflects the amount of erythropoietic activity
- Test performed at CGH and GRH.
- See also: Full Blood Count
Sample Requirements
2ml or 4ml EDTA sample.
One sample is sufficient for a Full Blood Count plus Reticulocytes
Turnaround Time
- Urgent: 60 minutes
- Routine: 2 hours
Sample Storage and Retention
- Pre analysis storage: do not store, send to laboratory within 4 hours.
- Sample retention by lab: EDTA samples are retained for a minimum of 48 hours at 2-10°C.
This test can be added on to a previous request as long as there is sufficient sample remaining and the sample is less than 48 hours old.
Reference Ranges
Range | Units | |
---|---|---|
Adults and Children | 0.2 - 2.0 | % |
Neonates (Full Term) | 2.0 - 6.0 | % |