Red blood cell indices
Encyclopedia
Red blood cell indices are blood test
Blood test
A blood test is a laboratory analysis performed on a blood sample that is usually extracted from a vein in the arm using a needle, or via fingerprick....

s that provide information about the hemoglobin
Hemoglobin
Hemoglobin is the iron-containing oxygen-transport metalloprotein in the red blood cells of all vertebrates, with the exception of the fish family Channichthyidae, as well as the tissues of some invertebrates...

 content and size of red blood cells. Abnormal values indicate the presence of anemia
Anemia
Anemia is a decrease in number of red blood cells or less than the normal quantity of hemoglobin in the blood. However, it can include decreased oxygen-binding ability of each hemoglobin molecule due to deformity or lack in numerical development as in some other types of hemoglobin...

 and which type of anemia it is.

Mean corpuscular volume

Mean corpuscular volume (MCV) is the average size of a red blood cell and is calculated by dividing the hematocrit
Hematocrit
The hematocrit or packed cell volume or erythrocyte volume fraction is the percentage of the concentration of red blood cells in blood. It is normally about 45% for men and 40% for women...

 (Hct) by the red blood cell count.
  • Normal range: 80-100 fL

Mean corpuscular hemoglobin

Mean corpuscular hemoglobin (MCH) is the average amount of hemoglobin
Hemoglobin
Hemoglobin is the iron-containing oxygen-transport metalloprotein in the red blood cells of all vertebrates, with the exception of the fish family Channichthyidae, as well as the tissues of some invertebrates...

(Hb) per red blood cell and is calculated by dividing the hemoglobin by the red blood cell count.
  • Normal range: 27-31 pg/cell

Mean corpuscular hemoglobin concentration

Mean corpuscular hemoglobin concentration (MCHC) is the average concentration of hemoglobin per red blood cell and is calculated by dividing the hemoglobin by the hematocrit.
  • Normal range: 32-36 g/dL
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