Bilirubin, Direct

Bilirubin, Direct

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Bilirubin, Direct
Fasting Required: No

Specimen: Blood

Results: 1-2 Business days

Description:
Bilirubin is an orange-yellow pigment made when old red blood cells are broken down. It’s ultimately processed by the liver to allow elimination from the body. Bilirubin attached to sugar is called “direct” or “conjugated” bilirubin. Measurement of bilirubin levels is used in the diagnosis and treatment of liver, hemolytic, hematologic, and metabolic disorders, including hepatitis and gall bladder obstruction. The assessment of direct bilirubin is helpful in the differentiation of hepatic disorders. Levels may be elevated due to drug toxicity, liver diseases like hepatitis, Gilbert’s disease (a genetic disease affecting some families), cirrhosis (scarring of the liver), biliary stricture (part of the bile duct is too narrow to allow fluid to pass), cancer of the gallbladder or pancreas, or gallstones. Some symptoms related to high bilirubin involve jaundice, fatigue, itchy skin, dark urine, and low appetite.

Methodology:
Spectrophotometry (SP)

Reference Range(s):
=0.2 mg/dL

Alternative Name(s):
Conjugated Bilirubin

Note: Result turn around times are an estimate and are not guaranteed. Our reference lab may need additional time due to weather, holidays, confirmation/repeat testing, or equipment maintenance.

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