What causes high Bilirubin direct and low Direct LDL cholesterol?

High Bilirubin direct and low Direct LDL cholesterol can be caused by many reasons.

If your Bilirubin direct is in between 0.1 mg/dL and 0.2 mg/dL and your Direct LDL cholesterol is in between 40 mg/dL and 100 mg/dL then you need not worry as these are the normal ranges for Bilirubin direct and Direct LDL cholesterol 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

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Normal range of Bilirubin direct : 0.1 - 0.2 mg/dL

Ideal values of Bilirubin direct depending on age :

Age	Ideal Bilirubin direct value
<5 years	0.12056
5-10 years	0.13213
10-15 years	0.14481
15-20 years	0.15871
20-25 years	0.17395
25-30 years	0.19065
30-35 years	0.18889
35-40 years	0.18715
40-45 years	0.18543
45-50 years	0.18372
50-55 years	0.18203
55-60 years	0.1995
60-70 years	0.19766
70-80 years	0.19584
80-90 years	0.19403
90-100 years	0.19224
>100 years	0.19047

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

Normal range of Direct LDL cholesterol : 40 - 100 mg/dL

Ideal values of Direct LDL cholesterol depending on age :

Age	Ideal Direct LDL cholesterol value
<5 years	5.48
5-10 years	5.48
10-15 years	5.48
15-20 years	5.48
20-25 years	5.48
25-30 years	5.48
30-35 years	5.48
35-40 years	5.48
40-45 years	5.48
45-50 years	5.48
50-55 years	5.48
55-60 years	5.48
60-70 years	5.48
70-80 years	5.48
80-90 years	5.48
90-100 years	5.48
>100 years	5.48

High Bilirubin direct and low Direct LDL cholesterol can be caused by a lot of reasons. If you take Bilirubin direct and Direct LDL cholesterol blood tests and the results are higher than 0.2 mg/dL for Bilirubin direct and lower than 40 mg/dL for Direct LDL cholesterol, 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 Direct LDL cholesterol Tests Are Done :

If your doctor wants Bilirubin direct and Direct LDL cholesterol tests on you, you may need to go through these tests. During the Bilirubin direct and Direct LDL cholesterol 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 Direct LDL cholesterol 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
• Medscape – Bilirubin: Reference Range, Interpretation, Collection and Panels
• NCBI – Evaluating Elevated Bilirubin Levels in Asymptomatic Adults