Lymphocytes
Lymphocytes include B cells that make antibodies, T cells that coordinate adaptive immunity, and natural killer cells that target virus-infected and tumor cells. Elevated counts occur with viral infection, chronic inflammation, or lymphocytic leukemia;low counts appear in HIV, steroid therapy, chemotherapy, and severe stress responses.
20 of 22 providers
Complete Blood Count (CBC)
20-40% or 1.0-4.0 x10^9/L
What is Lymphocytes?
Lymphocytes include B cells that make antibodies, T cells that coordinate adaptive immunity, and natural killer cells that target virus-infected and tumor cells. Elevated counts occur with viral infection, chronic inflammation, or lymphocytic leukemia;low counts appear in HIV, steroid therapy, chemotherapy, and severe stress responses.
Why It Matters
Critical for adaptive immunity. Low in HIV, immunosuppression. High in viral infections, leukemia. B-cells make antibodies;T-cells coordinate immune response.
Which Providers Test Lymphocytes?
Full Provider Comparison
| Provider | Includes | Annual Cost | Biomarkers |
|---|---|---|---|
 Superpower | ✓ | $199 | 100+ (150 with ratios) |
 WHOOP Advanced Labs | ✓ | $349 | 65 |
 Labcorp OnDemand | ✓ | $398 | 40+ |
| ✓ | $486 | 40+ | |
| ✓ | $449 | 288 | |
| ✓ | $349 | 100+ | |
| ✓ | $829 | 54 | |
 Function Health | ✓ | $365 | 160+ |
| ✓ | $250 | 65 | |
| ✓ | $495 | 80+ | |
| ✓ | $895 | 100+ | |
| ✓ | $1950 | 130+ | |
| ✓ | $375 | 95+ | |
| — | $Varies | 75+ | |
| ✓ | $190 | 100+ | |
| ✓ | $99 | 50 | |
| — | $124 | 60 | |
| ✓ | $349 | 130+ | |
| ✓ | $349 | 80+ | |
| ✓ | $375 | 85 | |
| ✓ | $700 | 128 | |
| ✓ | $99 | 100+ |
Frequently Asked Questions
What is Lymphocytes?
Lymphocytes include B cells that make antibodies, T cells that coordinate adaptive immunity, and natural killer cells that target virus-infected and tumor cells. Elevated counts occur with viral infection, chronic inflammation, or lymphocytic leukemia;low counts appear in HIV, steroid therapy, chemotherapy, and severe stress responses.
What is the optimal range for Lymphocytes?
The standard reference range for Lymphocytes is 20-40% or 1.0-4.0 x10^9/L. Optimal ranges may differ based on individual health goals and expert recommendations.
Which blood test providers include Lymphocytes?
20 out of 22 blood testing providers include Lymphocytes in their panels. This biomarker is widely available across major providers.
What category does Lymphocytes fall under?
Lymphocytes is categorized under Complete Blood Count (CBC). This category includes biomarkers that help assess related aspects of health and wellness.
Medical Disclaimer
This information is for educational purposes only and is not medical advice. Always consult with a qualified healthcare provider about your specific health needs.
Last reviewed:2026-04-12