What does it mean if your MCV and MCH are high
Ava Hall
Published Mar 01, 2026
What Do High MCH Levels Mean? Your MCH will reflect your MCV. That means you’ll have more hemoglobin if your red blood cells are larger than normal. Red blood cells can grow too large when you have fewer of them than normal — a condition called macrocytic anemia.
Why is my MCH and MCV high?
Causes of high MCH levels High MCH scores are commonly a sign of macrocytic anemia. This condition occurs when the blood cells are too big, which can be a result of not having enough vitamin B12 or folic acid in the body. High MCH scores may also be the result of the following: liver diseases.
What does it mean if your MCV blood test is high?
An average MCV score is between 80 and 95. If the MCV goes up to an extreme of 125, it may indicate vitamin B12, folate deficiencies, or cold agglutinin disease. A higher MCV value indicates that the red blood cells are larger than the average size.
What are the symptoms of high MCV and MCH?
- shortness of breath.
- chest pain.
- fast heartbeat.
- fatigue or weakness.
- very pale or yellowish skin.
- headache.
What cancers cause high MCH levels?
High MCH Levels Having an MCH level above 31 picograms/cell is most commonly associated with the following conditions: Certain types of kidney diseases, including kidney cancer. Congenital heart defect. Lung disease, including chronic obstructive pulmonary disease (COPD) and pulmonary fibrosis4.
Does high MCV mean liver disease?
Macrocytosis is a useful diagnostic indicator of alcoholism. MCV values greater than 100 fl in patients with liver disease almost invariably indicate alcohol-related disease. In the short-term, changes in MCV are of little use in monitoring alcohol intake.
Is it bad if my MCH is high?
You may not feel bad if your MCH is high. But it may be a sign that your red blood cells aren’t dividing the right way. This may cause anemia because you end up with fewer red blood cells. You could have symptoms similar to low MCH.
Is MCV 102 high?
An MCV of 102 is slightly large, and can be seen in many conditions. Vitamin B-12 and folic acid deficiencies are the ones we usually first look for, but some medications can cause it, as can alcohol, as you mention. Some genetic conditions, like hereditary spherocytosis, can do it.How long does it take to lower MCV levels?
Stopping heavy drinking allows the bone marrow to recover, and the MCV usually returns to normal within two months.
Can stress cause high MCV?Academic examination stress significantly increased Ht, Hb, MCV, MCH and MCHC and significantly decreased RDW. There were significant relationships between the stress-induced changes in the PSS, STAI and POMS scores and those in Ht, Hb, MCV and MCH (allpositive) and RDW (negative).
Article first time published onWhat should your MCV level be?
Mean corpuscular volume (MCV) measures the average red blood cell volume, meaning the actual size of the cells themselves. A normal range for MCV is between 80 and 96 femtoliters per cell.
How serious is Macrocytosis?
However, macrocytic anemias can cause long-term complications if left untreated. These complications can include permanent damage to your nervous system. Extreme vitamin B-12 deficiencies may cause long-term neurologic complications. They include peripheral neuropathy and dementia.
What does high MCH and MCHC mean?
A high MCHC value is often present in conditions where hemoglobin is more concentrated within your red blood cells. It can also occur in conditions where red blood cells are fragile or destroyed, leading to hemoglobin being present outside of the red blood cells.
What does MCH mean on a blood test?
MCH is short for “mean corpuscular hemoglobin.” It’s the average amount in each of your red blood cells of a protein called hemoglobin, which carries oxygen around your body. It’s possible you’ll learn about MCH when you get a blood test called a CBC (complete blood count).
What are signs that your liver is struggling?
- Fatigue and tiredness. …
- Nausea (feeling sick). …
- Pale stools. …
- Yellow skin or eyes (jaundice). …
- Spider naevi (small spider-shaped arteries that appear in clusters on the skin). …
- Bruising easily. …
- Reddened palms (palmar erythema). …
- Dark urine.
What drugs cause high MCV?
Common drugs that cause macrocytosis are hydroxyurea, methotrexate, zidovudine, azathioprine, antiretroviral agents, valproic acid, and phenytoin (Table 1).
Is an MCV of 101 high?
An MCV test measures the size and volume of red blood cells. A normal MCV range is roughly 80–100 fl . If someone’s MCV level is below 80 fl, they will likely develop or have microcytic anemia. Alternatively, if their MCV levels are greater than 100 fl, they could experience macrocytic anemia.
Is an MCV of 106 high?
In addition, MCV of 106 fL or greater indicates a high risk of esophageal squamous cell carcinoma in Japanese alcoholic men [10].
What diseases cause large red blood cells?
- Vitamin B-12 deficiency.
- Folate deficiency.
- Liver disease.
- Alcoholism.
- Hypothyroidism.
- A side effect of certain medications, such as those used to treat cancer, seizures and autoimmune disorders.
- Increased red blood cell production by the bone marrow to correct anemia, for example, after blood loss.
What is a normal B12 level for a woman?
Understanding the Results But a normal level of vitamin B12 in your bloodstream is generally between 190 and 950 picograms per milliliter (pg/mL). Between 200 to 300 pg/mL is considered borderline and your doctor may do more testing. Below 200 pg/mL is low and more testing is needed.
Can high MCV cause blood clots?
We found an association between high MCV (above 101.5 fL) and high MCH (above 2.15 fmol) and venous thrombosis, which did not attenuate after adjustment for age, sex, malignancy, CRP, co-morbidities and anemia.
What are the side effects of high red blood cell count?
- fatigue.
- shortness of breath.
- joint pain.
- tenderness in the palms of the hands or soles of the feet.
- itching skin, particularly after a shower or bath.
- sleep disturbance.
What is the treatment for high red blood cell count?
Care and Treatment If a medical condition is causing a high red blood cell count, your doctor may recommend a procedure or medication to lower it. In a procedure called a phlebotomy, a health professional inserts a needle into your vein and drains blood through a tube into a bag or container.
What does MCV of 102 mean?
An MCV of 102 is slightly large and can be seen in many conditions. Vitamin B-12 and folic acid deficiencies are the ones we usually first look for, but some medications can cause it, as can alcohol, as you mention. Some genetic conditions, such as hereditary spherocytosis, can do it.
Is MCV 105 high?
The normal reference range for the MCV result is usually between 80-100fl, so you are right, your level is slightly above the normal reference range.
Does high B12 mean leukemia?
An abnormally high vitamin B-12 status can be an early sign of liver disease, diabetes, or certain types of leukemia. A doctor may use the results of a vitamin B-12 test to help form their diagnosis.
Does Macrocytic anemia cause fatigue?
Macrocytosis is a condition in which the red blood cells (RBCs) are larger than normal but not functioning as they should. It can cause fatigue, and sometimes there are other symptoms related to underlying causes of macrocytosis.
How long does it take to reverse Macrocytosis?
The precise mechanism underlying macro- cytosis still is unknown. However, alcohol appears to interfere directly with RBC development, because the macrocytes disappear within 2 to 4 months of abstinence.
What does low MCV MCH and high RDW mean?
a high RDW and low MCV suggests iron deficiency or microcytic anemia. a high RDW and high MCV indicates a lack of B12 or folate, macrocytic anemia, or chronic liver disease.