Liver Function Test

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Last Updated 1 December 2024

What are Liver Function Tests?

Liver Function Tests, also known as LFTs or liver panel, are a group of blood tests that assess the overall health and function of your liver. These tests measure various enzymes, proteins, and substances in your blood that reflect the state of your liver.


Why are Liver Function Tests Performed?

Doctors may recommend Liver Function Tests for several reasons:

  • To screen for liver infections like hepatitis
  • To monitor the progression of a disease, such as cirrhosis
  • To measure the severity of a liver disease
  • To check for liver damage from medications
  • As part of a routine health check-up

Who Needs Liver Function Tests?

Liver Function Tests are typically recommended for:

People with symptoms of liver disease (jaundice, abdominal pain, nausea) Individuals with a history of liver disease Those who consume alcohol heavily People taking medications that can affect the liver Patients with exposure to hepatitis viruses As part of general health screenings

Components of Liver Function Tests

A typical Liver Function Test panel includes several individual tests:

  • Alanine transaminase (ALT)
  • Aspartate transaminase (AST)
  • Alkaline phosphatase (ALP)
  • Albumin
  • Total protein
  • Bilirubin
  • Gamma-glutamyl transferase (GGT)

How to Prepare for Liver Function Tests

Proper preparation ensures accurate results. Here are some general guidelines:

Preparation Steps:

  • Fast for 8-12 hours before the test, unless otherwise instructed by your doctor
  • Inform your doctor about all medications, herbs, and supplements you're taking
  • Avoid alcohol consumption for at least 24 hours before the test
  • Maintain your usual diet in the days leading up to the test, unless directed otherwise

What Happens During Liver Function Tests?

The Liver Function Tests procedure is straightforward and quick. Step-by-Step Process:

  • A healthcare professional will clean the area where blood will be drawn, usually from a vein in your arm.
  • A small needle is inserted to draw blood into one or more vials.
  • The needle is removed, and the puncture site is covered with a bandage.
  • The blood sample is sent to a laboratory for analysis.
  • Results are typically available within 24-72 hours.

Liver Function Tests Results

Your Liver Function Tests results will indicate whether your liver enzymes and proteins are within normal ranges.

Normal Ranges for Liver Function Tests

Normal ranges can vary slightly between laboratories and based on factors like age and gender. Here are general guidelines:

  • ALT: 7 to 55 units per liter (U/L)
  • AST: 8 to 48 U/L
  • ALP: 40 to 129 U/L
  • Albumin: 3.5 to 5.0 grams per deciliter (g/dL)
  • Total Protein: 6.0 to 8.3 g/dL
  • Bilirubin: 0.1 to 1.2 milligrams per deciliter (mg/dL)
  • GGT: 8 to 61 U/L

Causes of Abnormal Liver Function Tests Results

Abnormal Liver Function Tests results could indicate various conditions, including:

  • Hepatitis (viral or alcoholic)
  • Cirrhosis
  • Fatty liver disease
  • Liver cancer
  • Bile duct obstructions
  • Certain medications
  • Alcohol abuse

How to Maintain Healthy Liver Function

You can support healthy liver function by following these tips:

  • Limit alcohol consumption
  • Maintain a healthy weight
  • Eat a balanced diet rich in fruits, vegetables, and whole grains
  • Exercise regularly
  • Avoid exposure to toxins
  • Get vaccinated against hepatitis A and B
  • Use medications responsibly

Cost of Liver Function Tests

The cost of Liver Function Tests can vary depending on the specific tests included and the laboratory. Generally, prices can range from ₹500 to ₹2,000 for a complete panel. It's best to check with Bajaj Finserv Health for the most accurate and up-to-date pricing. Why Choose Bajaj Finserv Health for Liver Function Tests? Bajaj Finserv Health provides reliable and convenient Liver Function Tests services. Here's why you should choose us:

Key Benefits:

  • Accuracy: State-of-the-art laboratories ensure precise results
  • Affordability: Competitive pricing and package deals
  • Convenience: Home sample collection available
  • Quick Results: Timely delivery of test reports
  • Wide Coverage: Available across numerous locations in India
  • Expert Consultation: Access to healthcare professionals for result interpretation

Note:

Frequently Asked Questions

How often should I get Liver Function Tests?

The frequency of Liver Function Tests depends on your individual health status and risk factors. For routine check-ups, once a year is often sufficient. However, those with liver conditions or on certain medications may need more frequent testing.

Do I need to fast before Liver Function Tests?

Fasting for 8-12 hours is typically recommended before Liver Function Tests to ensure accurate results, especially for tests like glucose and lipid levels which can be affected by recent food intake.

Can Liver Function Tests diagnose all liver problems?

While Liver Function Tests are a valuable tool, they can't diagnose all liver problems. They may indicate the presence of liver damage or disease, but additional tests (like imaging studies or liver biopsies) may be needed for a definitive diagnosis.