Item Value
Test name Reticulocyte Count
Available Stat? No
Turn around times Turnaround time 24 hours.
In House Availability Test available 24 hours per day 7 days per week.
Performed by Parnassus & Mission Bay Hematology
Normal range
Age Male Female
≤ 4 days 65-230 x109/L 65-230 x109/L
5-30 days 17-114 x109/L 17-86 x109/L
31-60 days 30-129 x109/L 52-112 x109/L
61-180 days 36-127 x109/L 44-116 x109/L
6 months - 2 years 36-91 x109/L 40-90 x109/L
2 years - < 6 years 35-89 x109/L 35-93 x109/L
6 years - < 12 years 31-98 x109/L 35-124 x109/L
12 years - <18 years 38-104 x109/L 35-97 x109/L
≥ 18 years 29.0-121.4 x109/L 25.6-96.9 x109/L


The ranges 5 days to <18 years have been extrapolated from the following reference: Steven J. Soldin, Carlo Brugnara, et al. Pediatric reference ranges, 2nd ed. Washington, DC: AACC Press, 1997
Container type Lavender top
Amount to Collect 3 mL blood
Sample type EDTA whole blood

If you have additional questions regarding this test, please call: 415-353-1667