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Total Bilirubin (T. Billi)

What is the Lab Name for Total Bilirubin?

Total Bilirubin

What is the Lab Abbreviation for Total Bilirubin?

T. Billi

What is Total Bilirubin in terms of Nursing Labs?

Total Bilirubin (T.Billi) is the sum of conjugated and unconjugated serum bilirubin. One of the byproducts of red blood cell breakdown is bilirubin.  Bilirubin is made in the bone marrow, liver, or spleen and is transported by albumin to the liver in the form of unconjugated bilirubin.  Once in the liver, sugars bind to the unconjugated bilirubin, turning it to conjugated bilirubin. It is then excreted from the gall bladder into the small intestine. Eventually, it is excreted in the feces or urine.  Excess bilirubin causes a yellowing of the skin and the whites of the eyes called jaundice.

What is the Normal Range for Total Bilirubin?

0.1 – 1.2 mg/dL

What are the Indications for Total Bilirubin?

  • Identifying:
    • Liver Disease
    • Obstructive Jaundice
    • Biliary Disease
    • Newborn Jaundice
    • Effectiveness of Treatment

What would cause Increased Levels of Total Bilirubin?

  • Post-blood transfusions
  • Newborn Jaundice
  • Pernicious anemia
  • Hepatic jaundice
  • Liver tumors
  • Biliary obstruction
  • Cholecystitis
  • Cholangitis
  • Cirrhosis
  • Hepatitis
  • Hematoma
  • Alcoholism
  • Gilbert’s Disease
  • Mono
  • Hypothyroidism
  • Breast milk jaundice.

What would cause Decreased Levels of Total Bilirubin?

  • N/A

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