Test Code 1032
Test Details
Total Bilirubin
Total Bilirubin measures total and indirect forms of bilirubin. Bilirubin is a protein and natural by-product of red blood cell breakdown. Any increase in formation or retention of bilirubin by the body may result in jaundice.
Methodology
Colormetric diazo method
Patient Preparation
None
Preferred Specimen
1.0 mL serum (0.5 mL minimum) collected in serum separator tube (SST/Tiger Top)
Transport Temperature
Refrigerated (ship on frozen cold packs)
Stability
Refrigerated: 7 days
Lab Values
Total Bilirubin
- Normal: 0.0–1.2 mg/dL
- High: >1.2 mg/dL
Clinical Significance
Total Bilirubin
- Used to screen for or monitor liver disorders or hemolytic anemias.
- Elevated levels could indicate hepatitis, cirrhosis, neoplasm, alcoholism, hemolytic disease, biliary obstruction or anorexia.
- Low levels are generally not a concern and are not monitored.
Treatment Options
Total Bilirubin
The course of treatment is dependent on the cause of the jaundice. The determination of direct as well as total bilirubin is used in differentiating certain types of jaundice.
