Liver function tests

Key facts Liver function tests (also called LFTs) are blood tests that provide information about how your liver is working. If your liver function tests are abnormal, further testing might be necessary to work out what is causing liver damage and/or disease. You should discuss the results of your LFT blood test with your doctor to see what they mean in your situation. What are liver function tests? Liver function tests (also called LFTs) are blood tests that can provide information about how your liver is working. Your liver is a large organ in your abdomen (tummy) that has many