Hematology

White Blood Cell Count (WBC)

Normal Range
4.5-11.0 x 10^3/µL
Sample Type
Standard
Fasting
No
Unit
10^3/µL

The WBC count measures the total number of leukocytes in the blood. In the context of a COVID-19 Hematology Panel, WBC counts are critical for monitoring the body's immune response. While COVID-19 often presents with normal or low-normal WBC counts (leukopenia), a rising WBC count may signal a secondary bacterial infection or a severe inflammatory 'cytokine storm' response.

Check Your Result

Check Your Result

Interactive
10^3/µL

Enter your lab result to see where you stand compared to the standard reference range.

Why Context Matters

Recent corticosteroid use (common in COVID treatment) significantly elevates WBC counts without necessarily indicating infection. Stress, intense exercise, and smoking are also common confounding factors.

Lab ranges are statistical averages, not biological laws. "Normal" for a 20-year-old male isn't normal for a 60-year-old female.

Related Indicators

DR

Medically Reviewed by Dr. Binoy Babu, MBBS

Board Certified Doctor • 10+ Years Clinical Experience

Dr. Babu is a practicing physician dedicated to empowering patients with clear, actionable medical information. He founded 2opi to bridge the gap between complex lab reports and patient understanding, ensuring everyone has access to a reliable second opinion.

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