What causes high RDW CV and low APTT?

High RDW CV and low APTT can be caused by many reasons.

If your RDW CV is in between 11.6 % and 14 % and your APTT is in between 22 seconds and 35 seconds then you need not worry as these are the normal ranges for RDW CV 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 RDW CV : 11.6 - 14 %

Ideal values of RDW CV depending on age :

Age	Ideal RDW CV value
<5 years	11.804
5-10 years	12.012
10-15 years	12.223
15-20 years	12.438
20-25 years	12.657
25-30 years	12.88
30-35 years	13.107
35-40 years	13.338
40-45 years	13.573
45-50 years	13.812
50-55 years	13.808
55-60 years	13.804
60-70 years	13.8
70-80 years	13.796
80-90 years	13.792
90-100 years	13.788
>100 years	13.784

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

If you want your blood test report to be interpreted by RDW CV specialist, then you can upload your report. Our RDW CV 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 RDW CV levels include:

• An iron or vitamin deficiency
• Crohn's disease
• Chronic liver disease
• Thalassemia, an inherited blood disorder
• Heart disease

If you want your blood test report to be interpreted by RDW CV specialist, you can upload your report. Our RDW CV 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	22.387
5-10 years	22.781
10-15 years	23.182
15-20 years	23.59
20-25 years	24.005
25-30 years	24.427
30-35 years	24.857
35-40 years	25.294
40-45 years	25.739
45-50 years	26.192
50-55 years	26.653
55-60 years	27.122
60-70 years	27.599
70-80 years	28.085
80-90 years	28.579
90-100 years	29.082
>100 years	29.594

High RDW CV and low APTT can be caused by a lot of reasons. If you take RDW CV and APTT blood tests and the results are higher than 14 % for RDW CV 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 RDW CV and APTT Tests Are Done :

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