What causes high Bilirubin direct and low RDW SD?

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

If your Bilirubin direct is in between 0 mg/dL and 0.2 mg/dL and your RDW SD is in between 39 fL and 46 fL then you need not worry as these are the normal ranges for Bilirubin direct and RDW SD 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 Bilirubin direct : 0 - 0.2 mg/dL

Ideal values of Bilirubin direct depending on age :

Age	Ideal Bilirubin direct value
<5 years	0.11143
5-10 years	0.11288
10-15 years	0.11435
15-20 years	0.11584
20-25 years	0.11735
25-30 years	0.11888
30-35 years	0.12043
35-40 years	0.122
40-45 years	0.12359
45-50 years	0.1252
50-55 years	0.12683
55-60 years	0.12848
60-70 years	0.13015
70-80 years	0.13184
80-90 years	0.13355
90-100 years	0.13529
>100 years	0.13705

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

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

• Gallstones present in the bile ducts
• Hepatitis A, hepatitis B, hepatitis C
• Scarring of the bile ducts
• Lack of oxygen (hypoxia)
• Liver disease

If you want your blood test report to be interpreted by Bilirubin direct specialist, you can upload your report. Our Bilirubin direct 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 RDW SD : 39 - 46 fL

Ideal values of RDW SD depending on age :

Age	Ideal RDW SD value
<5 years	39.507
5-10 years	40.021
10-15 years	40.541
15-20 years	41.068
20-25 years	41.602
25-30 years	42.143
30-35 years	42.691
35-40 years	43.246
40-45 years	43.808
45-50 years	44.378
50-55 years	44.955
55-60 years	45.539
60-70 years	45.531
70-80 years	45.523
80-90 years	45.516
90-100 years	45.509
>100 years	45.502

High Bilirubin direct and low RDW SD can be caused by a lot of reasons. If you take Bilirubin direct and RDW SD blood tests and the results are higher than 0.2 mg/dL for Bilirubin direct and lower than 39 fL for RDW SD, 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 Bilirubin direct and RDW SD Tests Are Done :

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