Above the range
Common causes of a high Lymphocytes (%)
- Viral infections (mono, pertussis)
- Chronic lymphocytic leukemia
- Chronic infection
Looking for the other direction? See what causes a low Lymphocytes (%).
All tests · Complete Blood Count (CBC) · Lymphocytes (%)
Above the range
What causes a high Lymphocytes (%)?
Normal range 20-40 % of WBC (0.2-0.4 fraction SI). Specimen: Whole blood (EDTA). See the full Lymphocytes (%) reference page for critical values and nursing considerations.
What is the normal range for Lymphocytes (%)?
The standard teaching reference range for Lymphocytes (%) is 20-40 % of WBC in conventional units, or 0.2-0.4 fraction in SI units. This value is measured in whole blood (edta).
| Specimen | Whole blood (EDTA) |
|---|---|
| Conventional range | 20-40 % of WBC |
| SI range | 0.2-0.4 fraction |
| Panel | Complete Blood Count (CBC) |
Full details, including nursing considerations, on the Lymphocytes (%) normal range page. Reference ranges vary by laboratory, method, age, sex, and population - always use the range printed on the actual result.
Same panel