Liver Function Test (LFT)
A liver function test (LFT) is a group of blood tests to diagnose liver and biliary tract diseases.
These tests include -
- Prothrombin time (PT/INR)
- Activated Partial Thromboplastin Time (aPTT)
- Alkaline phosphatase (ALP)
- Aspartate aminotransferase (AST)
- Gamma-glutamyl transferase (GGT)
- Alanine transaminase (ALT) test
- L-lactate dehydrogenase (LD)
- Total protein
- Bilirubin (direct and indirect)
Other names - Liver panel, liver function panel, liver profile hepatic function panel, LFT
Liver Function Test (LFT) Cost in India
|Test Type||Blood Test|
|Preparation||Fasting is required (not eat or drink) for 10-12 hours before the LFT test.|
|Report||24 to 36 hours|
|Liver Function Test (LFT) Cost||Rs.350 to Rs.1500 approximately.|
**Note: A liver function test (LFT) cost in India at different locations may vary.
Normal liver function test Values
|Aspartate aminotransferase (AST)||8 to 48 U/L|
|Alkaline phosphatase (ALP)||40 to 129 U/L|
|Albumin||3.5 to 5.0 grams per deciliter (g/dL)|
|Total protein||6.3 to 7.9 g/dL|
|Bilirubin||0.1 to 1.2 milligrams per deciliter (mg/dL)|
|Gamma-glutamyl transferase (GGT)||8 to 61 U/L|
|L-lactate dehydrogenase (LD)||122 to 222 U/L|
|Prothrombin time (PT/INR)||9.4 to 12.5 seconds.|
|Alanine transaminase (ALT) test||7 to 55 units per liter (U/L)|
For any abnormal findings, you must consult a doctor.
Frequently Asked Questions
1. Why is a liver function test (LFT) done?
- To diagnose liver diseases - hepatitis, cirrhosis.
- To monitor liver disease treatment.
- To monitor the side effects of certain drugs.
- To measure the extent of liver damage.
2. Which doctor treats liver diseases?
- Liver specialist
3. What causes liver problems?
- Liver infection - Hepatitis A, B, C
- Autoimmune liver diseases
- Genetic liver diseases
- Excess alcohol consumption
- Fatty liver
- Certain drugs
4. Do I need to fast for liver function tests?
Yes, fasting for 10-12 hours is required for LFT.
5. What are the symptoms of liver disease?
- Abdominal pain and swelling
- Nausea or vomiting
- Loss of appetite
- Swelling in the legs and ankles
6. What are the risks involved in a liver function test?
No risks are involved in LFT. Rarely, bruising or slight pain at the injection site is observed.
7. What is the cost of a liver function test in Hyderabad?
The cost of a liver function test in Hyderabad is Rs.350 to Rs.1500 approximately.
8. Is lemon water good for liver function?
Yes, it is good for liver function.
9. Is turmeric good for liver function?
Yes, its antioxidant properties protect the liver from being damaged.
10. How is a liver function test done?
LFT is done by collecting a blood sample from a vein in the arm and sending it to a laboratory for further testing.