{"id":"mcv","name":"Mean Corpuscular Volume (MCV)","shortName":"MCV","aliases":["Mean Corpuscular Volume","MCV","Mean Cell Volume","MCV (fL)","Mean RBC Volume","Mean Red Cell Volume","VCM","Volumen corpuscular medio","Mean Corpuscular Vol","Mean Cell Vol","MCV, Auto","MCV (um3)","VGM","Volume globulaire moyen","Mean Corpuscular Volume (MCV)","Erythrocyte Mean Corpuscular Volume"],"abbreviations":["MCV","VCM","VGM"],"loinc":[{"code":"787-2","primary":true},{"code":"30428-7","primary":false}],"specimen":"whole-blood","units":[{"ucum":"fL","display":"fL"},{"ucum":"um3","display":"µm³"}],"referenceRanges":[{"population":"18+","low":80,"high":100,"unit":"fL","unitDisplay":"fL","note":"The conventional adult interval of 80–100 fL, which is also the usual cutoff for small (microcytic, under 80) and large (macrocytic, over 100) red cells. Labs differ a little: OHSU prints 80–100 for men and women; Labcorp prints 79–97 (the same on its sample reports for women aged 46 and 60 and a 15-year-old boy); ARUP prints 81.2–96.6 for men and 81.9–101 for women; Parkview prints 82–98; MedlinePlus lists 79–95. Children's intervals change a lot with age and are not included here.","sources":[{"title":"CBC with Differential: reference ranges (OHSU Lab Services test directory)","url":"https://www.ohsu.edu/lab-services/cbc-differential","publisher":"Oregon Health & Science University Lab Services"},{"title":"Evaluation of Microcytosis","url":"https://www.aafp.org/pubs/afp/issues/2010/1101/p1117.html","publisher":"American Family Physician","year":2010},{"title":"Evaluation of Macrocytosis","url":"https://www.aafp.org/pubs/afp/issues/2009/0201/p203.html","publisher":"American Family Physician","year":2009},{"title":"Sample report, CBC, Platelet, No Differential (test 028142)","url":"https://files.labcorp.com/testmenu-d8/sample_reports/028142.pdf","publisher":"Labcorp","year":2020},{"title":"Sample report, CBC With Differential/Platelet (test 005009)","url":"https://files.labcorp.com/testmenu-d8/sample_reports/005009.pdf","publisher":"Labcorp"},{"title":"CBC with Platelet Count and Automated Differential (ARUP test 0040003), reference intervals effective March 1, 2021","url":"https://ltd.aruplab.com/api/ltd/hotline/0040003/44232","publisher":"ARUP Laboratories","year":2021},{"title":"RBC indices","url":"https://medlineplus.gov/ency/article/003648.htm","publisher":"MedlinePlus, National Library of Medicine"},{"title":"Complete Blood Count with Differential (Parkview Laboratory test directory)","url":"https://lab.parkview.com/test-directory/complete-blood-count-with-differential/","publisher":"Parkview Health Laboratory"}]}],"review":{"status":"ai-verified","label":"AI-verified against cited sources. Awaiting expert review","lastReviewed":"2026-10-03"},"summary":"The average size of your red blood cells. It helps show whether they run smaller or larger than usual.","url":"https://bloodtesttracker.com/markers/mcv","notice":"Information, not medical advice. Ranges differ between labs, so the range on your own report is the one your result is judged against."}