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White Blood Cell Count (WBC)

Test Name:White Blood Cell Count (WBC)
Epic Order Code:LAB299  
CPT Code:85048  
Specimen(s) Type:Whole blood; 2.0 mL minimum volume
Acceptable Container(s):Tube top is purple (lavender).
Testing Schedule:24 hours/day, 7 days/week
Turn Around Time:STAT: 1 hour  
 Routine: 4 hours
Collection Information:No special patient preparation is required. Collect specimen by standard phlebotomy procedures.
Transport Information:Deliver to lab immediately. All specimens must be signed into the laboratory.
Reference Clients:If unable to deliver to the lab immediately, store and transport specimen at 2-8° C. Specimen must be received in the lab within 24 hours.
Causes for Rejection:Improperly labeled, incorrect container, contaminated, insufficient quantity, incorrect/delay in transport, grossly hemolyzed, clotted.
Reference Range:AgeMale k/mm3Female k/mm3
 0 - 14 days:8.0 - 15.48.2 - 14.6
 15 - 30 days:7.8 - 15.98.4 - 14.4
 31 - 60 days:8.1 - 15.07.1 - 14.7
 61 - 180 days:6.5 - 13.36.0 - 13.3
 181 days - 2 yrs:6.0 - 13.56.5 - 13.0
 2 - 6 yrs:5.1 - 13.44.9 - 13.2
 6 - 12 yrs:4.3 - 11.04.3 - 11.4
 12 - 18 yrs:3.8 - 9.84.2 - 9.4
 > 18 yrs:4.0 - 10.04.0 - 10.0
Additional Information: