ClarilabBlood count
MCV test
Also called mean corpuscular volume
The average size of your red cells.
- Typical range
- 80–100 fL.
- Usual recheck
- About 3 months when out of range
Why it's done
Helps find the type of anaemia.
What a high result can mean
Large cells: often low B12 or folate, alcohol, thyroid or liver problems.
What a low result can mean
Small cells: most often iron deficiency, or a thalassaemia trait.
Got a report with MCV?
Upload the PDF to Clarilab: it reads the values in your browser, flags anything out of range and tracks your results over time.