Bilirubin, Total

Bilirubin is the yellow breakdown product of normal heme catabolism, caused by the body's clearance of aged red blood cells which contain hemoglobin. Bilirubin is excreted in bile and urine, and elevated levels may indicate certain diseases Total bilirubin (TBIL) measures both BU and BC. Total and direct bilirubin levels can be measured from the blood

Specimen: Serum

Reference Values:

Adults: 0.2-1.3 mg/dl  
0-1 Days: <5.8 mg/dl  
1-2 Days: <8.2 mg/dl  
3-5 Days: <11.7 mg/dl                    

Method: Colorimetric

Loinc: 1975-2