Total White Blood Cell Count
- Sample Type
- Standard
- Fasting
- No
- Unit
- x10^3/µL
The Total White Blood Cell (WBC) count measures the sum of all leukocytes in the blood, including neutrophils, lymphocytes, monocytes, eosinophils, and basophils. It serves as a primary indicator of the body's immune response. Within a CBC panel, the total count provides the first clue to underlying systemic issues such as acute bacterial or viral infections, chronic inflammatory conditions, bone marrow suppression, or hematologic malignancies like leukemia.
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Enter your lab result to see where you stand compared to the standard reference range.
Why Context Matters
WBC counts can be transiently elevated by non-pathological factors such as vigorous exercise, severe emotional stress, smoking, or medications like corticosteroids and lithium, which may lead to misdiagnosis of infection.
Lab ranges are statistical averages, not biological laws. "Normal" for a 20-year-old male isn't normal for a 60-year-old female.
Clinical References
Source-of-truth databases and clinical guidelines for Total White Blood Cell Count:
Official Sources
- Complete blood count (CBC) - Mayo ClinicMayo Clinic
Research & Guidelines
Related Indicators
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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