What causes high Bilirubin indirect and low Lipoprotein a?

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

If your Bilirubin indirect is in between 0.1 mg/dL and 1 mg/dL and your Lipoprotein a is in between 1 mg/dl and 30 mg/dl then you need not worry as these are the normal ranges for Bilirubin indirect and Lipoprotein a 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 indirect : 0.1 - 1 mg/dL

Ideal values of Bilirubin indirect depending on age :

Age	Ideal Bilirubin indirect value
<5 years	0.10121
5-10 years	0.10243
10-15 years	0.10367
15-20 years	0.10492
20-25 years	0.10619
25-30 years	0.10747
30-35 years	0.10877
35-40 years	0.11009
40-45 years	0.11142
45-50 years	0.11277
50-55 years	0.11413
55-60 years	0.11551
60-70 years	0.11691
70-80 years	0.11832
80-90 years	0.11975
90-100 years	0.1212
>100 years	0.12267

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

Normal range of Lipoprotein a : 1 - 30 mg/dl

Ideal values of Lipoprotein a depending on age :

Age	Ideal Lipoprotein a value
<5 years	1.012
5-10 years	1.024
10-15 years	1.036
15-20 years	1.049
20-25 years	1.062
25-30 years	1.075
30-35 years	1.088
35-40 years	1.101
40-45 years	1.114
45-50 years	1.127
50-55 years	1.141
55-60 years	1.155
60-70 years	1.169
70-80 years	1.183
80-90 years	1.197
90-100 years	1.211
>100 years	1.226

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

If your doctor wants Bilirubin indirect and Lipoprotein a tests on you, you may need to go through these tests. During the Bilirubin indirect and Lipoprotein a 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 Lipoprotein a 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