Red blood cell indices: Difference between revisions
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Latest revision as of 14:23, 6 September 2012
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Red blood cell indices are blood tests that provide information about the hemoglobin content and size of red blood cells. Abnormal values indicate the presence of anemia and which type of anemia it is.[1]
Mean corpuscular volume
Mean corpuscular volume (MCV) is the average size of a red blood cell and is calculated by dividing the hematocrit (Hct) by the red blood cell count.
- <math>MCV = \frac{Hct}{RBC}</math>
- Normal range: 80-100 μm3
Mean corpuscular hemoglobin
Mean corpuscular hemoglobin (MCH) is the average amount of hemoglobin (Hb) per red blood cell and is calculated by dividing the hemoglobin by the red blood cell count.
- <math>MCH = \frac{Hb}{RBC}</math>
- 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.
- <math>MCHC = \frac{Hb}{Hct}</math>
- Normal range: 32-36 g/dL