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You are here: Home > Test Finder > L > liver function tests

liver function tests

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Alternative Names
LFT

Definition
There are a number of ways to test liver function. Each test has its own name, as listed in the section below.

Who is a candidate for the test?
Liver function tests are ordered to see if the person's liver is healthy and functioning properly.

How is the test performed?
For the specific way in which each liver test is performed, refer to one of the following tests:

albumin, a protein synthesised by the liver
ALP, an enzyme found in the liver, bones and placenta
ALT, an enzyme found primarily in liver cells
AST, an enzyme found in the liver as well as many other body organs
serum bilirubin, a waste product formed by the breakdown of red blood cells
urine bilirubin
GGT, an enzyme present in the liver, pancreas and kidney
LDH, an enzyme found in the liver
PT or prothrombin time, which tests the blood's ability to clot
total cholesterol, a substance stored in the liver
total protein, a nutrient normally broken down by the liver and its enzymes

What is involved in preparation for the test?
Specific instructions should be requested from the doctor.

What do the test results mean?
See the results given for each individual test of liver function.

Author: David T. Moran, MD
Reviewer: eknowhow Medical Review Panel
Editor: Dr John Hearne
Last Updated: 6/06/2005
Contributors
Potential conflict of interest information for reviewers available on request

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