What causes high RDW and low Bilirubin indirect?

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

If your RDW is in between 11.6 % and 14 % and your Bilirubin indirect is in between 0.1 mg/dL and 1 mg/dL then you need not worry as these are the normal ranges for RDW and Bilirubin indirect 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 : 11.6 - 14 %

Ideal values of RDW depending on age :

Age	Ideal RDW value
<5 years	11.856
5-10 years	12.118
10-15 years	12.386
15-20 years	12.66
20-25 years	12.94
25-30 years	13.226
30-35 years	13.518
35-40 years	13.817
40-45 years	13.81
45-50 years	13.803
50-55 years	13.796
55-60 years	13.789
60-70 years	13.783
70-80 years	13.777
80-90 years	13.77
90-100 years	13.763
>100 years	13.756

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

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

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

If you want your blood test report to be interpreted by RDW specialist, you can upload your report. Our RDW 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 indirect : 0.1 - 1 mg/dL

Ideal values of Bilirubin indirect depending on age :

Age	Ideal Bilirubin indirect value
<5 years	0.10221
5-10 years	0.10447
10-15 years	0.10678
15-20 years	0.10914
20-25 years	0.11155
25-30 years	0.11402
30-35 years	0.11654
35-40 years	0.11912
40-45 years	0.12175
45-50 years	0.12444
50-55 years	0.12719
55-60 years	0.13
60-70 years	0.13287
70-80 years	0.13581
80-90 years	0.13881
90-100 years	0.14188
>100 years	0.14502

High RDW and low Bilirubin indirect can be caused by a lot of reasons. If you take RDW and Bilirubin indirect blood tests and the results are higher than 14 % for RDW and lower than 0.1 mg/dL for Bilirubin indirect, 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 and Bilirubin indirect Tests Are Done :

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

Medical References

• Cleveland Clinic – RDW Blood Test: What It Is, Procedure & Results
• MedlinePlus – RDW (Red Cell Distribution Width)
• NIH – High red blood cell distribution width is closely associated with risk of carotid artery atherosclerosis