MCV

Red cell size hints at the anemia type.

MCV: row of red glass beads of slightly different sizes on a dark surface
Image generated with AI.

In adults MCV is typically 80–100 fL. <80 suggests small cells (iron deficiency, thalassemia); >100 suggests large cells (B12/folate deficiency, alcohol, thyroid).

Ranges vary by lab.
IndexTypical rangeWhat it shows
MCV80–100 fLCell size
MCHC32–36 g/dLHemoglobin concentration inside the cell
RDW11.5–14.5%Variation in cell size
Sources
  • Brugnara C, Mohandas N. Curr Opin Hematol 2013 — Red cell indices in classification and treatment of anemias
  • WHO — Haemoglobin concentrations for the diagnosis of anaemia (2011)

General information only; not diagnosis or treatment. Review your results with your clinician.