What causes high MCV and low Thrombin Time?

High MCV and low Thrombin Time can be caused by many reasons.

If your MCV is in between 83 fL and 101 fL and your Thrombin Time is in between 14 sec and 23 sec then you need not worry as these are the normal ranges for MCV and Thrombin Time respectively. But if your levels are lesser or greater than the above values, then there may be some problem in your body.

Some examples of conditions that can increase or decrease MCV levels include:

• Aplastic anemia
• Cold agglutinin disease
• Chronic hypoxia
• Low vitamin B12 level
• Myelodysplastic syndrome

MCV treatment - Click to read 10 GOLDEN ARTICLES on Anemia

Normal range of MCV : 83 - 101 fL

Ideal values of MCV depending on age :

Age	Ideal MCV value
<5 years	86.528
5-10 years	90.205
10-15 years	94.039
15-20 years	98.036
20-25 years	97.859
25-30 years	97.682
30-35 years	97.505
35-40 years	97.329
40-45 years	97.153
45-50 years	96.978
50-55 years	96.803
55-60 years	100.917
60-70 years	100.735
70-80 years	100.553
80-90 years	100.372
90-100 years	100.191
>100 years	100.01

*Ideal values are calculated based on our database of patient records

Normal range of Thrombin Time : 14 - 23 sec

Ideal values of Thrombin Time depending on age :

Age	Ideal Thrombin Time value
<5 years	1.043
5-10 years	1.043
10-15 years	1.043
15-20 years	1.043
20-25 years	1.043
25-30 years	1.043
30-35 years	1.043
35-40 years	1.043
40-45 years	1.043
45-50 years	1.043
50-55 years	1.043
55-60 years	1.043
60-70 years	1.043
70-80 years	1.043
80-90 years	1.043
90-100 years	1.043
>100 years	1.043

High MCV and low Thrombin Time can be caused by a lot of reasons. If you take MCV and Thrombin Time blood tests and the results are higher than 101 fL for MCV and lower than 14 sec for Thrombin Time, your physician may recommend more tests to figure out the problem. You might also get these tests if your physician thinks you have some other disease.

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How the MCV and Thrombin Time Tests Are Done :

If your doctor wants MCV and Thrombin Time tests on you, you may need to go through these tests. During the MCV and Thrombin Time blood tests, a pathologist will put a needle into your veins and take out a small quantity of blood. A pathologist is a physician in the medical field who thoroughly studies the causes and effects of disease. Within a few hours you will get your MCV and Thrombin Time Test reports by your pathologist.

Medical References

• MedlinePlus – MCV (Mean Corpuscular Volume)
• Cleveland Clinic – Mean Corpuscular Volume (MCV) Blood Test
• WebMD – Mean Corpuscular Volume (MCV) Blood Test