LIVER FUNCTION TESTS
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A Liver Function Test (LFT) is a group of blood tests that evaluate the health and performance of the liver. It measures enzymes, proteins, and bilirubin levels in the blood to assess liver function and detect liver damage or disease.
The liver plays a vital role in digestion, metabolism, detoxification, and protein production. Abnormal LFT results may indicate liver inflammation, fatty liver disease, hepatitis, alcohol-related liver damage, or other hepatic conditions.
Doctors commonly recommend a Liver Function Test during routine health checkups, when symptoms suggest liver dysfunction, or to monitor ongoing liver conditions.
A Liver Function Test helps:
● Detect liver inflammation or injury
● Diagnose hepatitis and fatty liver disease
● Monitor chronic liver disorders
● Assess liver health before surgery
● Evaluate the impact of medications on the liver
● Investigate symptoms such as jaundice or abdominal pain
Early detection of liver abnormalities can prevent serious complications such as cirrhosis or liver failure.
A Liver Function Test is recommended for individuals seeking accurate liver assessment with convenient home sample collection and secure reporting.
You may consider booking your LFT with SecondMedic if you:
● Experience fatigue, nausea, or abdominal discomfort
● Notice yellowing of skin or eyes (jaundice)
● Have a history of alcohol consumption
● Are overweight or diagnosed with fatty liver
● Are taking long-term medications affecting the liver
● Require routine preventive health screening
● Prefer certified laboratory testing with doorstep collection
SecondMedic facilitates LFT testing through NABL accredited laboratories using standardized biochemical analyzers to ensure clinically reliable results.
A Liver Function Test typically includes the following parameters:
Alanine Aminotransferase (ALT/SGPT)
An enzyme primarily found in the liver. Elevated levels may indicate liver cell injury.
Aspartate Aminotransferase (AST/SGOT)
An enzyme found in the liver and other tissues. High levels may suggest liver or muscle damage.
Alkaline Phosphatase (ALP)
Elevated levels may indicate bile duct obstruction or liver disease.
Bilirubin (Total & Direct)
Measures bile pigment levels. Increased bilirubin may cause jaundice.
Total Protein
Assesses overall protein levels in blood.
Albumin
A protein produced by the liver. Low levels may indicate chronic liver disease.
Globulin
Helps evaluate immune-related proteins.
These parameters collectively provide a comprehensive picture of liver health.
Typical reference ranges are:
ALT (SGPT)
● 7 – 56 U/L
AST (SGOT)
● 10 – 40 U/L
ALP
● 44 – 147 IU/L
Total Bilirubin
● 0.3 – 1.2 mg/dL
Albumin
● 3.5 – 5.0 g/dL
Reference values may vary slightly between laboratories. Results should be interpreted by a qualified healthcare professional.
Fasting is generally recommended for 8 to 10 hours before a Liver Function Test, especially if performed along with lipid profile or other metabolic tests.
Water intake is allowed unless otherwise advised by your doctor.
● Avoid alcohol for at least 24 hours before testing
● Inform your doctor about medications
● Fast if advised
● Stay hydrated
● Avoid heavy meals before sample collection
The blood sample collection process typically takes only a few minutes.
Liver Function Tests performed in NABL accredited laboratories use automated biochemical analyzers calibrated according to standardized quality control protocols.
Accuracy depends on proper sample handling and laboratory processing. Abnormal results should be clinically correlated with symptoms, imaging studies, or additional diagnostic tests.
Repeat testing may be required in certain cases to confirm abnormalities.
The Liver Function Test price in India generally ranges between ₹500 to ₹1200 depending on the city, laboratory network, and home collection availability.
The price typically includes:
● Blood sample collection
● Laboratory analysis of multiple liver parameters
● Digital report delivery
Home sample collection may be included at no additional cost in select cities.
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LFT may show elevated liver enzymes in fatty liver disease, but imaging tests such as ultrasound are typically required for confirmation.
Yes. Certain medications, including antibiotics, painkillers, and cholesterol-lowering drugs, may temporarily raise liver enzyme levels.
Mild elevations may occur due to temporary causes such as infection or medication use. Persistent elevation requires medical evaluation.
Yes. Viral hepatitis and other infections can significantly increase liver enzyme levels.
The frequency depends on medical condition and treatment plan. Patients with chronic liver disease may require periodic monitoring.
Intense physical activity may temporarily increase certain enzyme levels such as AST. Inform your doctor if you have recently exercised heavily.
Yes. It is a routine blood test and safe during pregnancy. It may be recommended in cases of suspected liver-related pregnancy complications.
LFT may show abnormal values in liver cancer, but it does not confirm diagnosis. Imaging and additional tests are required for definitive evaluation.
