Mean Cell Haemoglobin (MCH)
MCH measures the average amount of haemoglobin in a single red blood cell, indicating oxygen-carrying capacity.
About This Biomarker
Why We Test This
What Affects It
How to Improve
Understanding Your Results (pg)
Low
(< 27 pg)
Low MCH levels (microcytic anemia) indicate that red blood cells are smaller and contain less haemoglobin than normal. This condition can result from iron deficiency, chronic diseases, thalassemia, or lead poisoning. Symptoms may include fatigue, weakness, shortness of breath, and pale skin. Treating the underlying cause and possibly supplementing iron or other nutrients are essential steps to restore normal MCH levels.
Optimal
(27 - 32 pg)
Normal MCH levels indicate a healthy balance of haemoglobin within red blood cells, reflecting efficient oxygen transport and overall good health. This balance suggests proper red blood cell production and normal haemoglobin synthesis.
MCH levels near the upper limit may suggest a mild macrocytic trend, often due to borderline vitamin B12 or folate deficiencies, mild liver dysfunction, or early stages of other conditions. Monitoring and addressing dietary intake or underlying health issues can help maintain balanced MCH levels.
MCH levels near the lower end may indicate a mild microcytic trend, often due to borderline iron deficiency or mild chronic disease. Monitoring these levels and addressing nutritional intake or underlying health issues can help prevent further decline.
High
(> 32 pg)
Elevated MCH levels (macrocytic anemia) indicate that red blood cells are larger and contain more haemoglobin than normal. This condition can result from vitamin B12 or folate deficiency, liver disease, alcohol abuse, hypothyroidism, or certain medications. Symptoms may include fatigue, weakness, pale skin, and neurological issues. Identifying and treating the underlying cause is crucial for managing high MCH levels.
Also known as: Mean Corpuscular Haemoglobin, mch