Library/Blood count/MCV/101

MCV of 101 fLWhat it means, and what usually happens next

101fL MCV
High (large red cells)
80101116

An MCV of 101 fL is above the usual 80 to 100 fL, meaning your red cells are larger than usual.

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MCV101fL
Where it fallsHigh (large red cells)
The usual rangeabout 80 to 100 fL

What usually happens next

Alcohol, low B12 or folate, an underactive thyroid, liver disease and some medicines (methotrexate, some HIV and seizure medicines) are the usual reasons.

B12, folate, thyroid and liver tests are the usual next step.

What a high MCV usually means, and its common causes

When an MCV can read wrong

A mix of causes can cancel out: iron deficiency (small cells) with low B12 (large cells) can give a normal MCV. Cold agglutinins and very high glucose can make it read falsely high on the analyser.

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Questions

Is an MCV of 101 fL normal?

An MCV of 101 fL is above the usual 80 to 100 fL, meaning your red cells are larger than usual. The usual range is about 80 to 100 fL.

Worked out by LifeFrom from the usual lab range (StatPearls, American Family Physician), and not yet reviewed by a clinician. For your own understanding: only a lab test, read by your clinician, diagnoses anything.