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Bilirubin is a yellow pigment that is formed when red blood cells are broken down in the body. The bilirubin test is used to measure the level of bilirubin in the blood, which can help diagnose and monitor liver and blood disorders.
Pre-test preparation:
There is no specific preparation required for this test.
Testing method:
A blood sample is taken and sent to a laboratory for analysis.
Common symptoms that may prompt a healthcare provider to prescribe a bilirubin test include:
Jaundice (yellowing of the skin and whites of the eyes)
Dark-colored urine
Light-colored stools
Itchy skin
Fatigue
Abdominal pain
Diagnosis:
Elevated levels of bilirubin in the blood can be a sign of liver disease, such as cirrhosis, hepatitis, or biliary obstruction, or a blood disorder such as hemolytic anemia.
Low levels of bilirubin in the blood are not common.
Reference range:
Normal values for bilirubin levels in the blood vary depending on the laboratory, but generally range from 0.3 to 1.2 milligrams per deciliter (mg/dL) for total bilirubin and 0.1 to 0.3 mg/dL for direct bilirubin.
It’s important to note that the test results should be interpreted in the context of the patient’s clinical presentation and other test results. A single test result should not be used as the sole basis for diagnosis and treatment decisions. A qualified healthcare professional should interpret the test results and give you a proper diagnosis. Additionally, other liver function tests like AST, ALT, ALP, and BSBP should also be considered along with bilirubin test to get a better understanding of liver function.
Frequently Asked Questions
Jaundice (yellowing of the skin and whites of the eyes)Dark-colored urineLight-colored stools