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The mean corpuscular hemoglobin (MCH), or "mean cell hemoglobin" (MCH), is the average mass of hemoglobin per red blood cell in a sample of blood. It is reported as part of a standard complete blood count. MCH value is diminished in hypochromic anemias.
It is calculated by dividing the total mass of hemoglobin by the number of red blood cells in a volume of blood.
MCH=(Hgb*10)/RBC
A normal value in humans is 27 to 31 picograms/cell.It depends on hemoglobin synthesis.It decreases when Hb synthesis reduces.It remains falsely normal when both Hb and RBC count reduces. Conversion to SI-units: 1 pg of hemoglobin = 0.06207 femtomol. Normal value converted to SI-units: 1.68 - 1.92 fmol/cell.
Video Mean corpuscular hemoglobin
See also
- Red blood cell indices
- Mean corpuscular hemoglobin concentration
- Mean corpuscular volume
Maps Mean corpuscular hemoglobin
Worked example
src: www.labpedia.net
References
src: www.bloodjournal.org
External links
- FP Notebook
- Cornell
- Medline
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Source of the article : Wikipedia
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