MCV analysis to measure red blood cell volume and results

MCV analysis


  • What is an MCV blood test?
  • When is MCV testing done?
  • MCV analysis results
  • Other tests that the doctor may order

The doctor may ask you to do some blood tests, including a complete blood count, and you may find an MCV test with him. What is this test, why does the doctor ask it, what are its results, and what do they indicate? You will know all of that through this article.


The term MCV stands for mean corpuscular volume and it means ( average size of cells ) and corpuscles are blood cells, which are divided into 3 types of red blood cells, white blood cells and platelets, and this analysis specifically measures the average size of the red blood cells that carry oxygen from the lungs to all parts The body and when an imbalance occurs in the size of the red blood cells, and they become very large or very small, this may indicate the presence of a blood disorder such as anemia, vitamin deficiency and other diseases.

When is MCV testing done ?

The doctor may ask you to do a complete blood test that includes this test when you go to him with some symptoms such as:

  • Fatigue and fatigue easily without effort.
  • Abnormal bleeding and bruising for no reason.
  • Feeling cold in the limbs.
  • Paleness of the complexion.

Important information: symptoms, causes and treatment of anemia

The aim of this analysis is to:

  • Diagnosis of anemia.
  • Differentiate between the different types of anemia.
  • Knowing the patient's health status with another health problem.

Related topics

  • Hemoglobin test
  • Iron deficiency symptoms, causes and treatment
  • Anemia, its symptoms, causes and methods of treatment
  • "Vitamin B12 deficiency anemia" Do you know its danger to your health and how to get rid of it?
  • Celiac disease

MCV analysis results

The normal range

The normal average red blood cell volume should be as follows:


  • For adults, children and the elderly: 80 – 95 moliters.
  • For newborns: 96-108 mL.

There are some cases that may show results in the normal range, such as:

  • Some cases of hemolytic anemia .
  • Endocrine diseases except for the thyroid gland.
  • Anemia resulting from a chronic disease.
  • Kidney disease (sometimes with low results).

MCV analysis is low

If the examination results are lower than the normal results, this means that the size of the red blood cells is smaller than normal, which indicates the following:

  • Iron deficiency anemia .
  • Thalassemia, or Mediterranean anemia, is a type of hereditary anemia that causes severe anemia.
  • Anemia due to a chronic disease.
  • Lead poisoning .

Important Information: Symptoms of severe anemia to watch out for

MCV screening is high

If the test results are higher than the normal range, this means that the size of the red blood cells is greater than the normal size, which indicates:

  • Anemia due to vitamin B12 deficiency .
  • Deficiency of folic acid, which is vitamin B9.
  • Liver disease .
  • Hypothyroidism .
  • Alcohol addiction .
  • Carbon monoxide poisoning .
  • Chronic hypoxia also occurs with chronic obstructive pulmonary disease .

There are some things that can affect the results of the examination, as the rate may be greater or less than normal due to the overlap of some factors such as:


  • Do a blood transfusion immediately before the analysis.
  • Infection with more than one type of anemia at one time.
  • A woman's menstrual cycle.
  • Take some medications.
  • Diet and some exercise.

All of these factors may have an impact on the results, so you do not evaluate your condition yourself after the results of the analysis appear, but you must go to the doctor because he is the only one who can ascertain what you are suffering from after informing him of your condition in detail.

Other tests that the doctor may order

There are some other tests that the doctor may order besides the MCV test in the complete blood count to confirm the diagnosis of the disease, such as:

  • Blood tests that show the shape and color of blood cells.
  • A blood iron test, such as a ferritin test.
  • Vitamin B12 level analysis.
  • Hemoglobin electrophoresis analysis.
  • Bone marrow biopsy .

Finally, you should know that the consult one of our doctors from here .

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