Liver Function Tests

Liver Function: The liver is located in the right upper portion of the abdominal cavity just beneath the rib cage. The liver has many functions that are vital to life. Briefly, some of the important functions of the human liver are:

What are the basic functions of the liver?

  • Detoxification of blood
  • Production of important clotting factors, albumin, and many other important proteins
  • Metabolizing (processing) medications and nutrients
  • Processing of waste products of hemoglobin and other cells
  • Storing of vitamins, fat, cholesterol, and bile
  • Production of glucose (gluconeogenesis or glucose synthesis/release during starvation)

What are common liver blood function tests?

Liver blood tests are some of the most commonly performed blood tests. These tests can be used to assess liver functions or liver injury. An initial step in detecting liver damage is a simple blood test to determine the level of certain liver enzymes (proteins) in the blood. Under normal circumstances, these enzymes mostly reside within the cells of the liver. But when the liver is injured for any reason, these enzymes are spilled into the blood stream. Enzymes are proteins that are present throughout the body, each with a unique function. Enzymes help to speed up (catalyze) routine and vital chemical reactions in the body.

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