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MEAN CORPUSCULAR HEMOGLOBIN; MCH
Measures the average amount of hemoglobin in red blood cells.
Sample Type
blood
Fasting Required
No
Description
The MCH test is part of a complete blood count (CBC) and helps determine the hemoglobin content in individual red blood cells. It is useful in diagnosing anemia and other blood disorders.
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Overview:
- MCH is a part of the complete blood count (CBC) test.
- It is calculated by dividing the total hemoglobin by the number of red blood cells.
Formula:
MCH = (Hemoglobin / Red Blood Cell count) × 10.
Risk Assessment:
- MCH results are typically assessed in conjunction with other CBC parameters like MCV (mean corpuscular volume) and MCHC (mean corpuscular hemoglobin concentration) for a comprehensive evaluation.
- Abnormal MCH can help diagnose underlying conditions such as anemia or blood disorders.
Normal Range:
- For adults: 27 to 31 picograms (pg) per red blood cell.
Interpretation:
- Low MCH (Hypochromic): May indicate iron deficiency anemia, thalassemia, or chronic blood loss. Cells have less hemoglobin.
- High MCH (Hyperchromic): May indicate macrocytic anemia (such as B12 or folate deficiency), liver disease, or hypothyroidism. Cells have more hemoglobin than usual.
Sample Type:
- The test requires a blood sample, typically drawn from a vein (venipuncture) or from a finger (capillary blood).
Frequently Asked Question
The MCH test helps to determine the average amount of hemoglobin in a red blood cell. It is typically used to evaluate the size and hemoglobin content of red blood cells and to help diagnose different types of anemia or other blood disorders.
Normal MCH levels generally range from 27 to 31 picograms (pg) per red blood cell. However, these values may vary slightly depending on the laboratory and your specific age or gender.
A high MCH level (macrocytic anemia) may indicate:
Vitamin B12 or folic acid deficiency
Liver disease
Hypothyroidism
Alcoholism.
A low MCH level (microcytic anemia) could suggest:
Iron deficiency anemia
Thalassemia
Chronic blood loss.
The MCH test is typically performed as part of a complete blood count (CBC), which involves taking a small sample of blood from a vein (venipuncture) or a fingerstick.
No special preparation is usually needed for an MCH test. However, you may be asked to fast before the blood test if it is part of a larger series of tests.
No, they are different:
MCH measures the amount of hemoglobin in a single red blood cell.
MCHC (Mean Corpuscular Hemoglobin Concentration) measures the concentration of hemoglobin within a red blood cell.
MCV (Mean Corpuscular Volume) measures the average size of red blood cells.
Yes, MCH values can vary due to temporary factors like dehydration, recent illness, or lifestyle factors like diet. A doctor will typically use other tests and your medical history to interpret the results.
The frequency depends on your health condition or symptoms. If you're being monitored for anemia, vitamin deficiencies, or any condition affecting red blood cells, your doctor may recommend regular testing.
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MEAN CORPUSCULAR HEMOGLOBIN; MCH
Measures the average amount of hemoglobin in red blood cells.
Offered by other labs
Sample Type
blood
Fasting Required
No
Description
The MCH test is part of a complete blood count (CBC) and helps determine the hemoglobin content in individual red blood cells. It is useful in diagnosing anemia and other blood disorders.
Covid Safety
Assured
Free Report
Counselling