For acquired forms, the mean corpuscular volume is normal or high.

获得性铁粒性贫的平均红体积则是正常升高的。

Diagnosis starts with a routine blood test, that shows low hemoglobin levels, decreased mean corpuscular volume, or MCV; and low mean corpuscular hemoglobin, or MCH.

诊断始于常规检查，出红蛋白、平均红体积（MCV）和平均红红蛋白（MCH）。

On the full blood count, the mean corpuscular volume, which reflects the size of the red blood cell, is usually normal or low, for the congenital causes.

在先天性铁粒性贫的全计数中，反映红大小的平均红体积，通常是正常降的。