Liver Function Tests (LFT) measure different enzymes, proteins, and other substances made by the liver. These levels help doctors understand how well your liver is working. This test can show if your liver is damaged or inflamed.
When is it needed?
JaundiceAbdominal painNausea and vomitingFatigueMonitoring liver conditionsBefore starting certain medications
How to prepare
Fasting for 10-12 hours is usually needed before this test. You can drink water during this time, but avoid food and other drinks.
More about this test
Liver Function Tests (LFT) measure different enzymes, proteins, and other substances made by the liver. These levels help doctors understand how well your liver is working. This test can show if your liver is damaged or inflamed.
Medically reviewed by: Locatemycentre editorial team. Informational only; not medical advice. Always consult a licensed physician for diagnosis or treatment.
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Liver Function Tests (LFT): frequently asked questions
What is a Liver Function Tests (LFT)?
Liver Function Tests (LFT) measure different enzymes, proteins, and other substances made by the liver. These levels help doctors understand how well your liver is working. This test can show if your liver is damaged or inflamed.
Do I need to fast before a Liver Function Tests (LFT)?
Fasting for 10-12 hours is usually needed before this test. You can drink water during this time, but avoid food and other drinks.
How much does a Liver Function Tests (LFT) cost in India?
Prices for Liver Function Tests (LFT) vary widely by city, lab, and accreditation. As a rule of thumb, NABL-accredited labs in metros are more expensive than standalone neighbourhood labs. Use Locatemycentre to compare verified centres near you.
Can I get a Liver Function Tests (LFT) with home sample collection?
Yes. Almost every NABL-accredited diagnostic centre in metros like Bangalore, Delhi, Mumbai, Chennai and Hyderabad offers home sample collection for Liver Function Tests (LFT). Book the night before, especially for any fasting tests, and confirm the visit fee (typically ₹100-₹250).
How long do Liver Function Tests (LFT) results take?
Most routine Liver Function Tests (LFT) reports are ready within 6-24 hours of sample collection. Specialised assays and tests sent to a parent lab may take 2-7 days. Confirm the exact turnaround with the centre before booking - it matters if you have a follow-up consult scheduled.
How will I receive the report?
Reports are emailed as a PDF and are usually downloadable from the centre's patient portal using your registration ID. Hard-copy collection at the counter is usually free; courier delivery is optional. Save the digital copy - your physician will want to see it alongside any prior reports.
Do I need a doctor's prescription for a Liver Function Tests (LFT)?
For most routine versions of Liver Function Tests (LFT) you can walk in without a prescription. Some advanced or restricted tests require a referral by law, and a physician's involvement is always recommended so the result is interpreted against your symptoms and history.
When should I repeat a Liver Function Tests (LFT)?
Repeat timing depends on the clinical reason for the test. For monitoring a known condition, your physician will set the interval (often every 3-6 months). For a screening test that came back normal, repeat as part of your annual health check unless your doctor advises otherwise.