Home › Lab markers › MCHC (Mean Corpuscular Hemoglobin Concentration)
COMPLETE BLOOD COUNT (CBC)
Also printed as: MCHC
Educational only — not medical advice.
MCHC describes how concentrated the hemoglobin is inside your red cells — how densely packed each cell is, rather than how big it is. It is calculated from hemoglobin and hematocrit. It usually moves very little.
Because MCHC is so stable, an unexpected value is more often a lab or sample quirk than a body change. That makes it a useful quality check on the rest of the CBC.
TYPICAL ADULT RANGE
Many labs report roughly 32–36 g/dL for adults. Ranges vary by lab. Reported in g/dL.
Reference ranges vary by lab, by method, and by age and sex. Always read your own result against the range printed on your report.
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A modestly low MCHC typically accompanies low iron stores, alongside a low MCV and MCH. It can also appear with certain inherited traits. It is not usually acted on by itself; ferritin and the rest of the red cell indices carry the information, and your doctor will read them together.
High MCHC values are frequently technical rather than biological. Lipemia (a fatty sample after a non-fasting draw), red cells breaking during collection, or cold agglutinins can all push the calculated value up. There is also an inherited condition, hereditary spherocytosis, that raises it genuinely — usually alongside other findings and a family history. Because artifacts are so common here, an isolated high MCHC is normally rerun before anyone reads into it.
Your doctor is the one who can read this number against your history, symptoms, and medications.
Educational only — not medical advice. Lab results only mean something alongside your history, symptoms, medications, and the rest of your panel. Bring questions to your doctor; they are the one who can interpret your results for you.
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