What causes high RDW CV and low Bilirubin direct?

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

If your RDW CV is in between 11.6 % and 14 % and your Bilirubin direct is in between 0 mg/dL and 0.2 mg/dL then you need not worry as these are the normal ranges for RDW CV and Bilirubin direct 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	11.8
5-10 years	12.003
10-15 years	12.209
15-20 years	12.419
20-25 years	12.633
25-30 years	12.85
30-35 years	13.071
35-40 years	13.296
40-45 years	13.525
45-50 years	13.758
50-55 years	13.995
55-60 years	13.991
60-70 years	13.987
70-80 years	13.983
80-90 years	13.979
90-100 years	13.974
>100 years	13.97

*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 Bilirubin direct : 0 - 0.2 mg/dL

Ideal values of Bilirubin direct depending on age :

Age	Ideal Bilirubin direct value
<5 years	0.11189
5-10 years	0.11381
10-15 years	0.11577
15-20 years	0.11776
20-25 years	0.11979
25-30 years	0.12185
30-35 years	0.12395
35-40 years	0.12608
40-45 years	0.12825
45-50 years	0.13046
50-55 years	0.1327
55-60 years	0.13498
60-70 years	0.1373
70-80 years	0.13966
80-90 years	0.14206
90-100 years	0.1445
>100 years	0.14699

High RDW CV and low Bilirubin direct can be caused by a lot of reasons. If you take RDW CV and Bilirubin direct blood tests and the results are higher than 14 % for RDW CV and lower than 0 mg/dL for Bilirubin direct, 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 Bilirubin direct Tests Are Done :

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