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Liver function tests

LFT

Liver function tests are common tests that are used to see how well the liver is working. Tests include:

• Albumin
• Alpha-1 antitrypsin
• Alkaline phosphatase (ALP)
• Alanine aminotransferase (ALT)
• Aspartate aminotransferase (AST)
• Gamma-glutamyl transpeptidase (GGT)
• 5' nucleotidase
• Prothrombin time, also expressed as international normalized ratio (INR)
• Serum bilirubin
• Urine bilirubin

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Related Information

Albumin blood (serum) test
ALP - blood test
Alanine transaminase (ALT) blood test
Aspartate aminotransferase (AST) blood test
Gamma-glutamyl transferase (GGT) blood test
Prothrombin time (PT)
Bilirubin blood test
Bilirubin - urine

References

Daniels L, Khalili M, Goldstein E, Bluth MH, Bowne WB, Pincus MR. Evaluation of liver function. In: McPherson RA, Pincus MR, eds. Henry's Clinical Diagnosis and Management by Laboratory Methods. 24th ed. Philadelphia, PA: Elsevier; 2022:chap 22.

Pincus MR, Abraham NZ, Bluth M. Interpreting laboratory results. In: McPherson RA, Pincus MR, eds. Henry's Clinical Diagnosis and Management by Laboratory Methods. 24th ed. Philadelphia, PA: Elsevier; 2022:chap 9.

Pratt DS. Liver chemistry and function tests. In: Feldman M, Friedman LS, Brandt LJ, eds. Sleisenger and Fordtran's Gastrointestinal and Liver Disease. 11th ed. Philadelphia, PA: Elsevier; 2021:chap 73.

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Review Date: 7/25/2022  

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