Basophils (Absolute)
- Sample Type
- Standard
- Fasting
- No
- Unit
- x10^3/µL
Basophils are the least common type of white blood cell, representing a small fraction of the total leukocyte count. They contain granules filled with histamine and heparin and play a key role in allergic responses and the body's innate immune response to parasites. In the context of a differential count, the absolute number is more clinically useful than the percentage. Monitoring basophils is particularly important in diagnosing myeloproliferative neoplasms, such as Chronic Myeloid Leukemia (CML).
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Check Your Result
Enter your lab result to see where you stand compared to the standard reference range.
Why Context Matters
Basophil counts are naturally very low, so automated counters may occasionally misidentify other cell types as basophils. Physiological stress, ovulation, or the use of corticosteroid medications can significantly suppress basophil counts.
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 Basophils (Absolute):
Official Sources
- Eosinophilia - Mayo ClinicMayo Clinic
Research & Guidelines
- PubMed: Basophils (Absolute) Clinical GuidelinesNCBI / PubMed
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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