Complete Blood Count (CBC)

Monocytes (%)

Normal range 2–8 % of WBC (0.02–0.08 fraction SI). Specimen: Whole blood (EDTA).

Also known as: monos.

2–8 % of WBCReference range

Reference range

Conventional% of WBC

SIfraction

0.020.08

Specimen	Whole blood (EDTA)
Conventional range	2–8 % of WBC
SI range	0.02–0.08 fraction
Conversion factor	×0.01 (conventional → SI)
Panel	Complete Blood Count (CBC)

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

What is the normal range for Monocytes (%)?

The standard teaching reference range for Monocytes (%) is 2–8 % of WBC in conventional units, or 0.02–0.08 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.

Above the range

Common causes of a high Monocytes (%)

Chronic infection (tuberculosis)
Recovery phase of infection
Chronic inflammatory disease

Below the range

Common causes of a low Monocytes (%)

Bone marrow suppression
Corticosteroids

At the bedside

Nursing considerations

A monocytosis often appears as an infection resolves.

Study aid

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