What causes high MCHC and low APTT?

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

If your MCHC is in between 31.5 g/dL and 34.5 g/dL and your APTT is in between 22 seconds and 35 seconds then you need not worry as these are the normal ranges for MCHC and APTT respectively. But if your levels are lesser or greater than the above values, then there may be some problem in your body.

Normal range of MCHC : 31.5 - 34.5 g/dL

Ideal values of MCHC depending on age :

Age	Ideal MCHC value
<5 years	32.319
5-10 years	33.159
10-15 years	34.021
15-20 years	33.998
20-25 years	33.975
25-30 years	33.952
30-35 years	33.929
35-40 years	33.906
40-45 years	33.884
45-50 years	33.861
50-55 years	33.838
55-60 years	33.815
60-70 years	33.792
70-80 years	33.77
80-90 years	33.747
90-100 years	33.724
>100 years	33.701

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

If you want your blood test report to be interpreted by MCHC specialist, then you can upload your report. Our MCHC expert will provide you with the most accurate interpretation of your blood test results and treatment within 12 hours. Upload blood test report now

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Some examples of conditions that increase or decrease MCHC levels include:

• Iron deficiency anemia or Aplastic anemia
• Inflammatory disorders
• Bone marrow defects
• Hereditary spherocytosis
• Liver disease

If you want your blood test report to be interpreted by MCHC specialist, you can upload your report. Our MCHC expert will provide you with the most accurate interpretation of your blood test results and treatment within 12 hours. Upload blood test report now

Normal range of APTT : 22 - 35 seconds

Ideal values of APTT depending on age :

Age	Ideal APTT value
<5 years	22.572
5-10 years	23.159
10-15 years	23.761
15-20 years	24.379
20-25 years	25.013
25-30 years	25.663
30-35 years	26.33
35-40 years	27.015
40-45 years	27.717
45-50 years	28.438
50-55 years	29.177
55-60 years	29.936
60-70 years	30.714
70-80 years	31.513
80-90 years	32.332
90-100 years	33.173
>100 years	34.035

High MCHC and low APTT can be caused by a lot of reasons. If you take MCHC and APTT blood tests and the results are higher than 34.5 g/dL for MCHC and lower than 22 seconds for APTT, 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 MCHC and APTT Tests Are Done :

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

Medical References

• WebMD – MCHC Blood Test
• NIH – Normal and Abnormal Complete Blood Count With Differential
• MedlinePlus – CBC blood test