Liver Function Tests lab tests in Lab Testing API Lab Test Test Cost Bilirubin Fractionated Blood Test $24.50 Bilirubin Direct Blood Test - Bilirubin Direct blood test $24.00 Bilirubin, Total Blood Test $24.00 Hepatic Function Panel Blood Test (Liver) without protein $25.00 Alanine Aminotransferase Blood Test (ALT) - ALT Blood Test without Insurance $24.00 Gamma Glutamyl Transferase Blood Test (GGT) - GGT Test $23.00 Hepatic Function Panel Blood Test (Liver) - Hepatic Function Panel $26.00 Bile Acids, Total $57.00