Hematology

Lymphocytes (Absolute Count)

Normal Range
1.0 - 4.8 x 10^9/L
Sample Type
Standard
Fasting
No
Unit
10^9/L

Lymphocytes are a type of white blood cell (WBC) crucial for the adaptive immune system, including T cells, B cells, and Natural Killer (NK) cells. In a Complete Blood Picture (CBC), the absolute count provides more diagnostic value than the percentage. It helps clinicians differentiate between bacterial infections (which typically increase neutrophils) and viral infections or chronic inflammatory conditions (which often increase lymphocytes). It is also vital for monitoring immunocompromised patients, such as those with HIV or undergoing chemotherapy.

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Interactive
10^9/L

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

Why Context Matters

Counts can be temporarily skewed by acute physical stress, recent intense exercise, corticosteroid use, or recent vaccinations. A second opinion may be needed if the count is borderline high and the patient is asymptomatic, to rule out benign reactive lymphocytosis vs. early-stage lymphoproliferative disorders.

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 Lymphocytes (Absolute Count):

Related Indicators

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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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