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White Blood Count (WBC)
MessageHematology
Test Code
WBC
Alias/See Also
None
Preferred Specimen
Lavender Top (EDTA), Whole Blood
Minimum Volume
1mL
Microtainer 0.5 mL
Microtainer 0.5 mL
Other Acceptable Specimens
None
Instructions
Gently invert tube 8-10 times immediately after drawing to prevent clotting.
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Clotted
Drawn in expired tube
Hemolyzed, icteric or lipemic
Contaminated
Drawn in expired tube
Hemolyzed, icteric or lipemic
Contaminated
Setup Schedule
Monday through Sunday; Continuously
Report Available
Daily, Less than 4 hours
Reference Range
