Which of the following is NOT a component of the Liver Function Test (LFTs)?

Lipase is the correct choice for something that is not a component of the Liver Function Test (LFTs). LFTs typically assess liver health and include tests for substances produced or processed by the liver, which provide insight into its functionality and any potential damage.

Albumin is a protein made by the liver, and its levels can indicate liver function since low levels may signify chronic liver disease. Alkaline phosphatase is an enzyme that can indicate liver or bile duct conditions, making it a valuable part of the LFTs. Bilirubin is a breakdown product of red blood cells that is processed by the liver, and its levels can reflect liver function and health, particularly concerning the liver's ability to excrete waste.

In contrast, lipase is an enzyme primarily associated with pancreatic function, specifically in the digestion of fats. While elevated lipase levels indicate pancreatitis or pancreatic disorders, they do not provide direct information regarding liver function or health, thus making lipase outside the scope of liver function testing.