Guest guest Posted July 16, 2008 Report Share Posted July 16, 2008 LabTestsOnline.com Last reviewed 02 Mar 2008 " Complete Blood Count " Excerpt: Mean corpuscular volume (MCV) is a measurement of the average size of your RBCs. The MCV is elevated when your RBCs are larger than normal (macrocytic), for example in anemia caused by vitamin B12 deficiency. When the MCV is decreased, your RBCs are smaller than normal (microcytic) as is seen in iron deficiency anemia or thalassemias. http://www.labtestsonline.org/understanding/analytes/cbc/test.html -- Not an MD Quote Link to comment Share on other sites More sharing options...
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