What causes high Hematocrit and low MCHC?

High Hematocrit and low MCHC can be caused by many reasons.

If your Hematocrit is in between 40 % and 50 % and your MCHC is in between 31.5 g/dL and 34.5 g/dL then you need not worry as these are the normal ranges for Hematocrit and MCHC 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 Hematocrit levels include:

• Damage to the bone marrow
• Kidney failure
• Excessive destruction of red blood cells
• Chronic inflammatory diseases
• Congenital heart disease

Hematocrit treatment - Click to read 10 GOLDEN ARTICLES on Anemia

Normal range of Hematocrit : 40 - 50 %

Ideal values of Hematocrit depending on age :

Age	Ideal Hematocrit value
<5 years	40.708
5-10 years	41.429
10-15 years	42.162
15-20 years	42.908
20-25 years	43.667
25-30 years	44.44
30-35 years	45.227
35-40 years	46.028
40-45 years	46.843
45-50 years	47.672
50-55 years	48.516
55-60 years	49.375
60-70 years	49.36
70-80 years	49.345
80-90 years	49.329
90-100 years	49.313
>100 years	49.298

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

Normal range of MCHC : 31.5 - 34.5 g/dL

Ideal values of MCHC depending on age :

Age	Ideal MCHC value
<5 years	32.058
5-10 years	32.625
10-15 years	33.202
15-20 years	33.79
20-25 years	34.388
25-30 years	34.378
30-35 years	34.367
35-40 years	34.356
40-45 years	34.345
45-50 years	34.334
50-55 years	34.324
55-60 years	34.314
60-70 years	34.303
70-80 years	34.292
80-90 years	34.281
90-100 years	34.27
>100 years	34.26

High Hematocrit and low MCHC can be caused by a lot of reasons. If you take Hematocrit and MCHC blood tests and the results are higher than 50 % for Hematocrit and lower than 31.5 g/dL for MCHC, 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 Hematocrit and MCHC Tests Are Done :

If your doctor wants Hematocrit and MCHC tests on you, you may need to go through these tests. During the Hematocrit and MCHC 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 Hematocrit and MCHC Test reports by your pathologist.

Medical References

• Cleveland Clinic – Hematocrit Test: What It Is, Levels, and High & Low Range
• Mayo Clinic – Hematocrit test
• MedlinePlus – Hematocrit Test