What causes high Bilirubin indirect and low RDW SD?

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

If your Bilirubin indirect is in between 0.1 mg/dL and 1 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 indirect 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.

Some examples of conditions that can 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

Bilirubin indirect treatment - Click to read 10 GOLDEN ARTICLES on Liver health

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	0.1013
5-10 years	0.10262
10-15 years	0.10395
15-20 years	0.1053
20-25 years	0.10667
25-30 years	0.10806
30-35 years	0.10946
35-40 years	0.11088
40-45 years	0.11232
45-50 years	0.11378
50-55 years	0.11526
55-60 years	0.11676
60-70 years	0.11828
70-80 years	0.11982
80-90 years	0.12138
90-100 years	0.12296
>100 years	0.12456

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

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 indirect and low RDW SD can be caused by a lot of reasons. If you take Bilirubin indirect and RDW SD blood tests and the results are higher than 1 mg/dL for Bilirubin indirect 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 indirect and RDW SD Tests Are Done :

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

Medical References

• Cleveland Clinic – Bilirubin Test: Understanding High vs. Low Levels & Causes
• Mayo Clinic – Bilirubin test
• MedlinePlus – Bilirubin Blood Test
• WebMD – Bilirubin Test: High vs. Low Levels, Direct vs. Indirect
• NIH – Physiology, Bilirubin