Biochemistry The normal range of total serum bilirubin is: A 0.2-1.2 mg/100 ml B 1.5-1.8 mg/100 ml C 2.0-4.0 mg/100 ml D Above 7.0 mg/100 ml 💡 Explanation The normal range of total serum bilirubin is: ✓ Correct Answer: A. 0.2-1.2 mg/100 ml