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Complete Blood Count (CBC)

Mean Corpuscular Volume (MCV)

Normal range 80–100 fL. Specimen: Whole blood (EDTA).

Also known as: red cell size.

80–100 fLReference range

Reference range

ConventionalfL
80100
SpecimenWhole blood (EDTA)
Conventional range80–100 fL
SI range80–100 fL
Conversion factor×1 (conventional → SI)
PanelComplete Blood Count (CBC)

Convert any Mean Corpuscular Volume (MCV) result between units on the unit converter.

What is the normal range for Mean Corpuscular Volume (MCV)?

The standard teaching reference range for Mean Corpuscular Volume (MCV) is 80–100 fL. 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 Mean Corpuscular Volume (MCV)

  • B12 or folate deficiency (macrocytic)
  • Alcohol use
  • Hypothyroidism
  • Liver disease

Below the range

Common causes of a low Mean Corpuscular Volume (MCV)

  • Iron deficiency (microcytic)
  • Thalassemia
  • Anemia of chronic disease

At the bedside

Nursing considerations

  • Classifies anemia as microcytic (< 80), normocytic, or macrocytic (> 100).
  • Pair with RDW and the peripheral smear to narrow the cause.

Study aid

Your notes on Mean Corpuscular Volume (MCV)

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