A Liver Function Test (LFT) is a group of blood investigations designed to evaluate the health, efficiency, and integrity of the liver. The liver is a vital organ responsible for numerous essential functions, including the metabolism of nutrients, detoxification of harmful substances, the production of important proteins, and the regulation of bile for digestion. LFTs measure specific liver enzymes, proteins, and bilirubin levels in the blood, which act as indicators of liver cell injury, inflammation, bile flow obstruction, or reduced liver function. These tests are commonly included in routine health check-ups and are also recommended when a person experiences symptoms such as jaundice, persistent fatigue, abdominal discomfort, nausea, or dark-colored urine.
Liver Function Tests play a crucial role in the early detection and diagnosis of a wide range of liver disorders, including viral hepatitis, fatty liver disease, alcohol-related liver injury, cirrhosis, and drug-induced liver damage. They are equally important in monitoring the progression of chronic liver conditions and assessing the effectiveness of ongoing treatment. In addition, LFTs help doctors evaluate medication safety, plan further investigations, and make timely clinical decisions. As a simple, minimally invasive, and cost-effective blood test, LFTs serve as a reliable tool for maintaining liver health and preventing serious liver complications through early intervention.











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