Total Bilirubin (1032)

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CPT Code:


Test Type: Serum Kit Based
Stability Time:


Refrigerated: 7 days

Reference Range:
  • Normal: 0.0–1.2 mg/dL
  • High: >1.2 mg/dL


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 the formation or retention of bilirubin by the body may result in jaundice.

  • 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.

Methodology - Colorimetric diazo method

Collection Details:

Collection Instructions:

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)