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:
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.
A low MCH reading, known as hypochromia, indicates that red blood cells contain less hemoglobin than normal. This can be caused by:
Low MCH often results in fatigue, weakness, and pale skin. Further tests may be needed to determine the underlying cause and appropriate treatment.
A high MCH reading, known as hyperchromia, indicates that red blood cells contain more hemoglobin than normal. This can be caused by:
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.