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Doctor insights on: Bilirubin Fractionated

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What is the definition or description of: fractionated bilirubin?

What is the definition or description of: fractionated bilirubin?

Bilirubin testing: Testing for fractionated bilirubin includes testing for total bilirubin, direct bilirubin, and indirect bilirubin (calculated). ...Read more

Bilirubin (Definition)

Bilirubin is the potentially toxic product of heme metabolism. It is formed by breakdown of heme present in hemoglobin, myoglobin, cytochromes, catalase, peroxidase and tryptophan pyrrolase. Eighty percent of the daily bilirubin production comes from hemoglobin. It requires conversion to a water-soluble form before elimination from the body by ...Read more


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Is 1.3 bilirubin normal?

Bilirubin: I would say it is within normal limits even though it may be slightly above the lab range for normal. ...Read more

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Is bilirubin of 12 normal?

No: That is high unless it is measured in different units than typical. Should correspond to skin changes. ...Read more

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What causes high bilirubin?

What causes high bilirubin?

Liver disease: Obstruction of the biliary tract rbc destruction drug and others. ...Read more

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How accurate are bilirubin tests?

Very: Bilirubin tests are very accurate in measuring the level of bilirubin. An elevated bilirubin does not always necessarily indicated a severe disease and the bilirubin can be elevated for a number of reasons. ...Read more

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What is a normal bilirubin level?

1.5 or less: Normal is generally less than 1.5. Every lab is different and normal highs may range from 1 to 1.8. ...Read more

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Is 2.1 bilirubin level dangerous?

Depends: Your total bilirubin level is just above the upper limit of normal for most labs, but in isolation, it doesn't help in finding its root cause or knowing its significance. Advise talking to your doctor about all your lab results. ...Read more

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What count is normal for bilirubin?

0 to 1 by our lab: Depends slightly on lab used. Our lab uses 0.0 to 1.0 fmg/dl or total bilirubin and 0.0 to 0.3 for direct bilirubin. Direct/conjugated bilirubin can be elevated in liver/biliary system disease, and indirect/unconjugated bilirubin can go high with hemolysis (break-up of red blood cells in blood stream), can be a harmless inherited condition (eg gilbert's), and has various other causes. ...Read more

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Is high bilirubin always dangerous?

Depends: It depends on the age of the patient and the level of the jaundice. Jaundice in adults is not as dangerous in that the bilirubin (which causes the jaundice) is not damaging, but it can indicate a condition that is (liver failure.) in babies, a high level of bilirubin can lead to a condition where the bilirubin gets into the brain and causes permanent damage to the developing brain cells. ...Read more

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What causes low bilirubin in adults?

What causes low bilirubin in adults?

Don't worry: The lab's reference range is set up so that a few percent of healthy people's values lie below the bottom. Especially if you are not obviously sick, this means nothing. ...Read more