Test directory: White Blood Count

Ordering Code 564
Test Name White Blood Count
Alias WBC
Leukocyte Count
Total WBC
White Count
White Blood Cell Count
Preferred Specimen Whole Blood
Preferred Container EDTA, K2 (Lavender)
Other Specimen/Container Whole Blood in EDTA, K2 Microtainer (Lavender)
Optimum Volume 3 mL
Microtainer = 500 uL
Collection Instructions Do NOT collect in 7 mL EDTA tube
Mix well
EDTA tubes must be filled with at least 50% of the draw volume.
Handling Instructions Refrigerate specimen if transport time > 24 hours
Hand mix ONLY. Do NOT mix on mechanical rocker/mixer.
Transport Requirements Oahu: Ambient
Airline: Refrigerated
Specimen Stability Ambient: 24 Hours
Refrigerated: 48 Hours
Rejection Criteria Frozen, Clotted, Contaminated, Hemolyzed, Over filled tube,
Under filled tube, Specimen older than stability limits.
Avail. Stat YES
Analytic Time 1 Day
Methodology Automated cell counter

Reference range(s)

Component Age Male Norm Male Critical Low Male Critical High Female Norm Female Critical High Female Critical Low Units Add'l info
White Blood Count 0-1W 9.00-30.00 <= 1.00 >= 50.00 9.00-30.00 >= 50.00 <= 1.00 x10(3)/uL
White Blood Count 1W-2W 8.04-15.40 <= 2.00 >= 20.00 8.04-15.40 >= 20.00 <= 2.00 x10(3)/uL
White Blood Count 2W-1M 7.80-15.91 <= 2.00 >= 20.00 7.80-15.91 >= 20.00 <= 2.00 x10(3)/uL
White Blood Count 1M-2M 7.05-14.99 <= 2.00 >= 20.00 7.05-14.99 >= 20.00 <= 2.00 x10(3)/uL
White Blood Count 2M-6M 6.00-13.32 <= 2.00 >= 20.00 6.00-13.32 >= 20.00 <= 2.00 x10(3)/uL
White Blood Count 6M-2Y 5.98-13.51 <= 2.00 >= 20.00 5.98-13.51 >= 20.00 <= 2.00 x10(3)/uL
White Blood Count 2Y-6Y 4.86-13.38 <= 2.00 >= 20.00 4.86-13.38 >= 20.00 <= 2.00 x10(3)/uL
White Blood Count 6Y-12Y 4.27-11.40 <= 2.00 >= 20.00 4.27-11.40 >= 20.00 <= 2.00 x10(3)/uL
White Blood Count 12Y-18Y 3.84-9.84 <= 2.00 >= 20.00 3.84-9.84 >= 20.00 <= 2.00 x10(3)/uL
White Blood Count ADULT 3.80-10.80 <= 1.00 >= 50.00 3.80-10.80 >= 50.00 <= 1.00 x10(3)/uL