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White Blood Cells
MessageDay(s) Test Set Up: Monday through Sunday
Test Code
WBC
CPT Codes
85203
Preferred Specimen
EDTA whole blood
Instructions
Draw a full, lavender-top (EDTA) tube and send EDTA whole blood.
Transport Container
Lavender Top (EDTA) Tube
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Clotted blood is not acceptable
Methodology
Coulter Impedance
Reference Range
WHITE BLOOD CELLS:
Newborns: 9.0-30.0 thou/cumm
1 month-1 year: 5.0-19.5 thou/cumm
2-3 years: 6.0-17.5 thou/cumm
4-7 years: 5.5-15.5 thou/cumm
8-13 years: 4.5-13.5 thou/cumm
>14years: 4.5-11.0 thou/cumm
Alarm value: <1.5 thou/cumm or >40.0 thou/cumm
Newborns: 9.0-30.0 thou/cumm
1 month-1 year: 5.0-19.5 thou/cumm
2-3 years: 6.0-17.5 thou/cumm
4-7 years: 5.5-15.5 thou/cumm
8-13 years: 4.5-13.5 thou/cumm
>14years: 4.5-11.0 thou/cumm
Alarm value: <1.5 thou/cumm or >40.0 thou/cumm
Clinical Significance
Useful for basic clinical diagnosis
Last Updated: February 1, 2011
