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Doctor insights on: What Does Low Total Bilirubin Mean

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What does low total bilirubin mean?

What does low total bilirubin mean?

Low is OK: In general we all worry about elevated bilirubin. Low bilirubin does not suggest any particular illness, it can be cause by certain medications and vitamin c. ...Read more

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Dr. Lynne Weixel
98 doctors shared insights

Total Bilirubin (Definition)

Bilirubin, a product of hemoglobin breakdown, is present in two forms in the human body: unconjugated (indirect bilirubin, insoluble) and conjugated (direct bilirubin, soluble). Unconjugated bilirubin is conjugated in the liver and released into the small intestine in bile, the fluid in the gallbladder. Total bilirubin measures indirect bilirubin plus direct bilirubin; part of ...Read more


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What does a low bilirubin total level mean?

What does a low bilirubin total level mean?

Never a problem: Labs "normal ranges" are set up so that a few percent of people fall below and above the reference range. As a pathologist who's devoted a lifetime to the lab, i can't emphasize too often that patients and doctors must both "look at the person, not the numbers.". ...Read more

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Dr called said blood tests were normal Rcvd lab results MCH is low & total Bilirubin @1.9. All other results are in normal range. What does this mean?

Dr called said blood tests were normal Rcvd lab results MCH is low & total Bilirubin @1.9. All other results are in normal range. What does this mean?

Maybe Gilbert's?: It is a familial (autosomal dominant), common (2-5% of people), unconjugated hyperbilirubinemia (blood bilirubin measures 1-5mg/dl), not due to breakdown of blood. It is associated with reduced enzyme levels of udp glycuronyl transferase, that results in jaundice when patients fast or suffer an infection. It does not shorten life or raise insurance rates, but may predispose to tylenol toxicity. ...Read more

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Test result for Alk Phosphatase below standard range. Others (total bilirubin, bun, albumin, total protein) also low. What could this mean? Next step?

Test result for Alk Phosphatase below standard range. Others (total bilirubin, bun, albumin, total protein) also low. What could this mean? Next step?

See your clinician: There may be nothing "wrong" with you. Note that no test is perfectly accurate. Also, if you're at very low risk for a disease, an abnormal result is less likely to be true. You need to sit down with a clinician to review your tests in light of your overall personal & family medical history, physical findings, & health goals. Next steps include further tests, & watch & wait. Hope that helps. ...Read more

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What does total bilirubin mean? What amount should you have as an adult?

What does total bilirubin mean?  What amount should you have as an adult?

Depends: Includes direct and indirect billirubin (different stages) and a normal level is somewhere around 1, but labs differ. ...Read more

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Total bilirubin 0.4 direct <0.1L indirect 0.3 what does that mean?

Normal values: Bilirubin is the breakdown of red blood cells. There are 2 components - direct and indirect. When elevated, more direct suggests a blockage of the bike ducts from the liver but your levels are OK. ...Read more

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What does this mean? "serum total bilirubin level" 28 umol/ l ( 1-21).

Hyperbilirubinemia: Borderline rise in bilirubin mostly caused by gilbert syndrome when you have congenital weakness of a liver enzyme which destroy the bilirubin.It rises after fasting and increased physical stress and sleeplessness. This condition is not worrisome and no medications needed. ...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