MCH**(mean corpuscular hemoglobin)**-
normal range of MCH is 27-33pg/cell
low MCH - hypochromic anemia (iron deficiency)
high MCH- macrocytic anemia (vitamin 12 or folate deficiency)
MCHC (mean corpuscular hemoglobin concentration) -
normal range of MCHC 32-36g/dl
low MCHC- hypochromia (iron deficiency)
high MCHC- hereditary spherocytosis
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Definition: MCH refers to the average amount of hemoglobin present in a single red blood cell.
Unit: Picograms (pg)
Normal Range: 27–33 pg/cell
Clinical Significance:
•Low MCH: May indicate microcytic anemia (e.g., iron deficiency anemia)
•High MCH: May be seen in macrocytic anemia (e.g., vitamin B12 or folate deficiency)
MCHC (Mean Corpuscular Hemoglobin Concentration):
Definition: MCHC is the average concentration of hemoglobin in a given volume of red blood cells.
Unit: g/dL
Normal Range: 32–36 g/dL
The average quantity of hemoglobin per red blood cell is measured by MCH (Mean Corpuscular Hemoglobin). Iron deficiency may be indicated by low MCH. The average amount of hemoglobin in a specific volume of red blood cells is measured by MCHC (Mean Corpuscular Hemoglobin Concentration). Hypochromic anemia (pale RBCs because of less hemoglobin) is suggested by low MCHC. Important Distinction: MCH is the hemoglobin content per cell. MCHC is the cell’s internal hemoglobin concentration.