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Complete Blood Count (CBC)

Lymphocytes (%)

Normal range 20-40 % of WBC (0.2-0.4 fraction SI). Specimen: Whole blood (EDTA).

Also known as: lymphs.

20-40 % of WBCReference range

Reference range

Conventional% of WBC
2040
SIfraction
0.20.4

Combined adult band. LabVals does not publish separate men's, women's, or pediatric ranges for Lymphocytes (%); those can be narrower than the band shown.

Lymphocytes (%) reference range, specimen, and conversion details
SpecimenWhole blood (EDTA)
Conventional range20-40 % of WBC
SI range0.2-0.4 fraction
Conversion factor×0.01 (conventional → SI)
PanelComplete Blood Count (CBC)

Convert any Lymphocytes (%) result between units on the unit converter.

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).

Source: Adult reference values compiled from Pagana & Pagana, Mosby's Diagnostic and Laboratory Test Reference, and Fischbach & Dunning, A Manual of Laboratory and Diagnostic Tests. Reference ranges vary by laboratory, method, age, sex, and population - always use the range printed on the actual result.

At the bedside

Nursing considerations

  • Lymphocytosis commonly accompanies viral rather than bacterial illness.
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