Blood Test

Liver Function Test (LFT)

Liver function tests use a sample of your blood to measure several substances made by your liver including Albumin, Total protein, ALP, ALT, AST, GGT, Bilirubin, and Prothrombin time. These tests can show how well your liver is working and detect damage.

Also known as: Liver panel, Liver function panel, Liver profile, Hepatic function panel, LFT

Normal Range

ParameterReference Range
ALT (SGPT)7–56 U/L
AST (SGOT)10–40 U/L
ALP44–147 U/L
Total Bilirubin0.1–1.2 mg/dL
Albumin3.5–5.0 g/dL

Who Should Take This Test?

Used to find if liver disease could be causing symptoms, assess severity of diagnosed liver disease, monitor liver disease over time, and check for side effects of medicines that affect the liver.

How It Works

A blood sample is taken from a vein in your arm and analyzed for various liver enzymes and proteins. This usually takes less than five minutes.

Preparation

You will probably need to fast (not eat or drink) for 10-12 hours before the test. Certain medicines can affect your test results, so inform your provider.

How Often?

As part of routine checkups for those with risk factors, or when symptoms occur

Symptoms to Watch

Nausea and vomiting
Lack of appetite
Fatigue and weakness
Jaundice (yellow skin and eyes)
Swelling or pain in abdomen
Swelling in ankles and legs
Dark-colored urine
Light-colored stool
Frequent itching

Risk Factors

Family history of liver disease
Alcohol use disorder
Obesity
Diabetes
Taking medicines that may cause liver damage
Hepatitis or exposure to hepatitis

Related Conditions

HepatitisLiver DiseaseCirrhosisFatty Liver DiseaseBile Duct Disease

Cost Comparison in India

Prices range from ₹499 to ₹800

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Medical Disclaimer: The information provided here is for educational purposes only and is not intended as a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider.