LFT or Liver Function Tests are a group of blood tests for monitoring and diagnosing liver damage or disease. The tests can measure the levels of some proteins and enzymes in your blood.
These tests measure how well your liver is functioning and whether or not it is clearing up the bilirubin and producing protein normally as it should. Other LFTs measure the enzymes released by the liver cells in response to disease or damage.
When liver function tests provide abnormal results, it doesn’t always indicate any liver issue or disease. Your physician will explain the test results and tell you what it means.
What is the Purpose of Liver Function Tests?
The LFT or Liver Function Tests are conducted for many reasons. Some of these are:
- To screen for liver-related infections like hepatitis.
- Monitor the possible side-effects of medications
- It helps monitor the progression of diseases like alcoholic hepatitis or viral hepatitis. It also helps determine how well a treatment is working.
- The tests also aid in measuring the severity of a liver condition, especially the scarring of the liver or cirrhosis.
How to Prepare for the Liver Function Tests?
To prepare for the LFT, you should avoid medications and food products that can affect the outcomes of this particular test. Your physician will tell you to avoid consuming food and medication before drawing the blood. If you wish to learn more about the test, do not hesitate to ask your doctor.
What Can You Expect from the Test?
You can expect the following after taking the Liver Functions Tests:
During the Test
The blood sample for this test is drawn through a needle inserted into the vein in the bend of the arm. The needle comes with a small tube, where the blood is collected. You might feel a bit of pain when the needle is inserted, and it will only last for a short time. You will not feel any discomfort or pain once the needle is removed and the area is covered with a small bandage.
After the Test
Once the healthcare professional has taken the blood sample, they will send it to the lab for analysis. You will get the results within a few hours when the analysis is conducted on-site.
Liver Functions Tests: The Outcome!
The normal test results for the LFT include:
- ALT [Alkaline Transaminase]: 7 units per litre to 55 units per litre [U/L]
- AST [Aspartate Transaminase]: 8 U/L to 48 U/L
- ALP [Alkaline Phosphatase]: 40 U/L to 129 U/L
- Albumin: 3.5 grams per deciliter to 5.0 grams per deciliter [g/dL]
- Bilirubin: 0.1 milligrams per deciliter to 1.2 milligrams per deciliter [mg/dL]
- Total Protein: 6.3 to g/dL to 7.9 g/dL
- PT [Prothrombin Time]: 9.4 seconds to 12.5 seconds
- GGT [Gamma-Glutamyl Transferase]: 8 U/L to 61 U/L
- LD [L-lactate Dehydrogenase]: 122 U/L to 222 U/L
The test results mentioned in this section are for adult men. The results may vary slightly from one laboratory to another, and the readings may be a bit different for children and women. With the help of the test results, the physician will diagnose and treat your condition.
When you already have a liver condition, the test can provide information about the disease, how it is progressing, and whether or not you are responding to the treatment.
How Much Will the Liver Function Test Cost?
The Liver Function Test Cost will depend on where you live. Remember that all cities do not have the same rate for LFT tests. In some places, it can cost between INR 250 to INR 800; in other places, the price can be between INR 350 to INR 1500.
Check the cost of the LFT test before you consider opting for it. You can also check the Liver Function Test Cost on the online platform to get an idea.
Liver Function Test or LFT can provide doctors with information about existing liver conditions or diseases. There are many LFTs available, and you should go for the one your healthcare provider suggests. The tests can also show the changes in the levels of enzymes and proteins. Besides that, it can also help determine medications that are damaging the liver or monitor the progression of a certain liver condition.