Item Value
Test name White Blood Cell Differential
Available Stat? Yes
Turn around times Stat 1 hour, Routine 4 hours

Note: STAT differential turnaround time of greater than 1 hour may be seen if manual review of a sample is required
In House Availability Test available 24 hours per day 7 days per week
Performed by Parnassus, Mission Bay & Mt. Zion Hematology
Normal range Normal Absolute Counts in x109/L (95% confidence interval):

AGE NEUTS LYMPH MONO EO BASO IG
0-24 hours 5.0-28 2.0-12 0.4-3.1 0.0-0.9 0.0-0.6 0.0-0.3
24 hours-1 wk 1.5-21 2.0-17 0.3-2.7 0.1-1.1 0.0-0.3 0.0-0.3
1 wk-6 months 1.0-10 2.0-17 0.2-2.7 0.1-1.1 0.0-0.3 0.0-0.1
6 months -4 years 1.0-8.5 2.0-14 0.0-0.9 0.0-1.1 0.0-0.3 0.0-0.1
4-14 years 1.5-8.5 1.2-8.0 0.0-1.4 0.0-1.1 0.0-0.3 < 0.1
14-21 years 1.8-8.0 1.0-6.1 0.0-1.4 0.0-0.8 0.0-0.3 < 0.1
> 21 years 1.8-6.8 1.0-3.4 0.2-0.8 0.0-0.4 0.0-0.1 < 0.1
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