LFT ( LIVER FUNCTION TEST)
A liver function test (LFT) is a blood test that measures the levels of proteins, enzymes, and substances produced by the liver. It's also known as a liver panel.
Purpose
- Assess liver health: Determine if the liver is functioning properly
- Diagnose liver disease: Identify potential liver damage or disease
- Monitor liver problems: Track the treatment response for known liver problems
- Check for side effects: Determine if dosage adjustments are needed for medicines that may affect the liver
Common liver function tests:
- Albumin: A protein made in the liver
- Alkaline phosphatase (ALP): An enzyme found in the liver, bile ducts, and bone
- Alanine aminotransferase (ALT): An enzyme that can indicate liver damage
- Aspartate aminotransferase (AST): An enzyme that can indicate liver damage
- Gamma-glutamyl transferase (GGT): An enzyme found in the liver, pancreas, and biliary tract
- Bilirubin: A waste product produced by the breakdown of red blood cells
- Prothrombin time (PT): A measure of how long it takes blood to clot
When to get an LFT
You might get an LFT if you have:
- Jaundice
- Dark urine or light-colored bowel motion
- Weakness or tiredness
- Loss of appetite
- Nausea and vomiting
- Abdominal pain or swelling
- Itching
You might need to avoid food or certain medications before the test.