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What happens during a liver function test?

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It's a blood test. Your doctor uses a thin needle to take a small amount of blood, usually from your arm near your elbow. You’ll feel a pinch or stinging when the needle goes in. You may get some soreness or a bruise where the blood is taken, but that’s usually it. You may get this test done more than once over a few days or weeks. Your doctor can look at how levels change to be sure of your condition and how far along it is. If you get your test at a clinic that has a lab on site, you can sometimes get results in a few hours. If not, it might take a few days.

SOURCES:

American Liver Foundation: “Liver Function Tests.”

KidsHealth: “Blood Test: (Liver) Hepatic Function Panel.”

Mayo Clinic: “Cirrhosis,” “Hepatitis B,” “Liver Function Tests.”

Royal Society of Chemistry: “Enzymes.”

World Health Organization: “What Is Hepatitis?”

Lab Tests Online: “Liver Panel,” “Tips on Blood Testing.”

University of Rochester Medical Center: “D-Dimer.”

Reviewed by Hansa D. Bhargava on August 18, 2020

SOURCES:

American Liver Foundation: “Liver Function Tests.”

KidsHealth: “Blood Test: (Liver) Hepatic Function Panel.”

Mayo Clinic: “Cirrhosis,” “Hepatitis B,” “Liver Function Tests.”

Royal Society of Chemistry: “Enzymes.”

World Health Organization: “What Is Hepatitis?”

Lab Tests Online: “Liver Panel,” “Tips on Blood Testing.”

University of Rochester Medical Center: “D-Dimer.”

Reviewed by Hansa D. Bhargava on August 18, 2020

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What do the results of a liver test mean?

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