Liver Function Tests

 

• Alanine Aminotransferase (ALT):
  • Male: 10 to 55 units/L
  • Female: 7 to 30 units/L
• Aspartate Aminotransferase (AST):
  • Male: 10 – 40 units/L
  • Female: 9 – 25 units/L
• Total bilirubin: 0.3 – 1.0 mg/dL
• Direct bilirubin (conjugated): 0.0 to 0.2 mg/dL
• Indirect bilirubin (unconjugated): 0.1 to 1 mg/dL; Critical level: > 12 mg/dL
• Albumin: 3.4 to 5 g/dL
• Ammonia: 35 – 65 mcg/dL (adult)
• Amylase: 25 to 151 units/L
• Lipase: 10 to 140 units/L
• Protein: 6 to 8 g/dL