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Test Code WBC White Blood Cell Count, Blood

Important Note

Does NOT include WBC differential

Additional Codes

EPIC:  LAB299

Methodology

Automated Cell Analyzer; flow cytometry
 

Performing Laboratory

St. Joseph Hospital

Specimen Requirements

Specimen must arrive within 24 hours of draw.

 

Collect blood in a lavender-top (EDTA) tube(s), and send 2 mL of EDTA whole blood. If there is a delay in transport of >2 hours, send specimen refrigerated.

Reference Values

Newborns:  9.0 - 30.0 103/µL

Adults:  4.8 - 10.8 103/µL


Critical values:

Newborns:  <8.0 103/µL or >35.0 103/µL

Adults:  <2.0 103/µL or >30.0 103/µL

Day(s) Test Set Up

Monday through Sunday

Available STAT

Test Classification and CPT Coding

85027