↑ Upload Your Test
meBlood

Mean Corpuscular Hemoglobin - MCH

What does the Mean Corpuscular Hemoglobin - MCH blood test mean? Get a free analysis of your blood test now. Here's what you get with our free analysis:

UPLOAD YOUR BLOOD TEST

Mean Corpuscular Hemoglobin (MCH) measures the average amount of hemoglobin in a single red blood cell. It's calculated by dividing the total hemoglobin by the red blood cell count. MCH is part of the Complete Blood Count (CBC) and helps diagnose various types of anemia. It's particularly useful in differentiating between iron deficiency anemia and thalassemia. A normal MCH indicates that red blood cells are carrying an appropriate amount of oxygen-carrying hemoglobin, essential for proper tissue oxygenation. Changes in MCH can reflect alterations in red blood cell production or hemoglobin synthesis, providing valuable insights into overall health and potential blood disorders.

Acceptable Range:   27 to 33
Ideal for Women:   27-33
Ideal for Men:   27-33
Ideal for Girls:   25-31
Ideal for Boys:   25-31
Test Method: Blood

What do readings below 27 pg for Mean Corpuscular Hemoglobin - MCH mean?

A low MCH reading, known as hypochromia, indicates that red blood cells contain less hemoglobin than normal. This can be caused by:

  1. Iron deficiency anemia: The most common cause, due to insufficient iron for hemoglobin production.
  2. Thalassemia: A genetic disorder affecting hemoglobin production.
  3. Chronic diseases: Such as kidney disease or certain cancers.
  4. Lead poisoning: Which interferes with hemoglobin synthesis.

Low MCH often results in fatigue, weakness, and pale skin. Further tests may be needed to determine the underlying cause and appropriate treatment.

What do readings above 33 pg for Mean Corpuscular Hemoglobin - MCH mean?

A high MCH reading, known as hyperchromia, indicates that red blood cells contain more hemoglobin than normal. This can be caused by:

  1. Vitamin B12 deficiency: Leading to megaloblastic anemia.
  2. Folate deficiency: Also causing megaloblastic anemia.
  3. Liver disease: Affecting red blood cell production.
  4. Myelodysplastic syndromes: Disorders of blood cell production in the bone marrow.

High MCH is often associated with macrocytic anemia, where red blood cells are larger than normal. Symptoms may include fatigue, shortness of breath, and cognitive issues. Additional tests are usually required to identify the underlying cause and determine appropriate treatment.

More Complete Blood Count Tests