Lymphocytes (LYMPH)
White blood cells that include T-cells and B-cells — the core of adaptive immunity.
Typical normal range
1,000–4,800 cells/µL
If high ↑
Viral infections, lymphoma, chronic lymphocytic leukemia
If low ↓
HIV/AIDS, steroid use, chemotherapy, stress
What is a normal Lymphocytes level?
A typical reference range is 1,000–4,800 cells/µL. Ranges vary between laboratories and can depend on age and sex, so compare your result with the range printed on your own report.
What does a high Lymphocytes level mean?
Viral infections, lymphoma, chronic lymphocytic leukemia. A single result rarely gives a diagnosis on its own; your doctor will interpret it alongside your symptoms and other tests.
What does a low Lymphocytes level mean?
HIV/AIDS, steroid use, chemotherapy, stress. Your doctor will interpret it alongside your symptoms and other tests.
About the Complete Blood Count (CBC)
A complete blood count looks at the cells in your blood: red cells that carry oxygen, white cells that fight infection, and platelets that help blood clot. It is one of the most commonly ordered tests and is often part of a routine check-up.
See your own Lymphocytes result explained
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Analyze my results freeRelated markers in the Complete Blood Count (CBC)
Medical disclaimer: Reference ranges vary by laboratory, age, sex, and clinical context. This page is for educational purposes only and is not a diagnosis. Always discuss your results with a qualified healthcare professional.