What is the Liver Profile Test?
Liver function tests (LFTs) are blood tests that can tell you how well your liver is working. LFTs assess the quantities of proteins, enzymes, and other chemicals produced by the liver. Some of these tests will reveal how well your liver is functioning. Some enzymes are measured in the blood when liver cells are destroyed.
Tests that make up LFTs include:
1. Liver enzyme Test
Alkaline phosphatase (ALP), alanine transaminase (ALT), aspartate aminotransferase (AST), and gamma-glutamyl transferase (GGT) are liver enzymes. When there is liver damage, these levels rise.
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What are the normal values of LPT?
- 7 to 55 units per litre (U/L).
- AST . 8 to 48 U/L.
- ALP . 40 to 129 U/L.
- GGT . 8 to 61 U/L
What does low LPT indicate?
Low ALT levels are usually not cause for alarm.
What does high LPT indicate?
High levels of Liver Enzymes indicate liver damage or disease, such as hepatitis, fatty liver disease, or alcohol-related liver disease.
2. Total protein
A total protein test determines the amount of protein in your blood. Protein is produced by the liver, and low protein levels may signal that your liver isn’t working properly.
What are the normal values of Total protein?
6.3 to 7.9 g/dL.
What does low Total protein indicate?
Low total protein could be a sign of liver illness, malnutrition, or kidney disease.
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What does high Total protein indicate?
Dehydration, certain medical disorders, or persistent inflammation can all cause high total protein levels.
3. Bilirubin test
Bilirubin is a waste product produced by your liver and found in bile.
What are the normal values of the Bilirubin test?
0.1 to 1.2 milligrams per deciliter (mg/dL).
What does low Bilirubin indicate?
Low amounts are usually not a cause for worry.
What does high Bilirubin indicate?
High levels may indicate liver illness, bile duct obstruction, or hemolytic anemia.
4. LDH test
Lactate dehydrogenase (LDH) is an enzyme found in numerous tissues throughout your body, including your liver.
What are the normal values of the LDH test?
122 to 222 U/L
What does a low LDH test indicate?
Low LDH levels are usually not a cause for worry. They may develop in uncommon circumstances and are usually unrelated to any medical issues.
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What does a high LDH test indicate?
High LDH levels can indicate various diseases, such as tissue damage, hemolytic anemia, liver disease, muscular dystrophy, and diabetes. LDH levels can rise as a result of illnesses such as pneumonia or meningitis.
5. Prothrombin Time (PT) test
This test determines how long it takes for a sample of your blood to clot, a process that requires proteins produced by your liver.
What are the normal values of PT?
9.4 to 12.5 seconds.
What does low PT indicate?
A low PT is not a common observation and is usually not a cause for concern.
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What does high PT indicate?
A High PT indicates that the blood clots more slowly than usual. This can be caused by a variety of illnesses, such as liver dysfunction, vitamin K deficiency, blood thinners, disseminated intravascular coagulation, genetic disorders, and other medical issues.
A liver Profile test is one of the simplest ways for you and your doctor to check on your liver. It only takes a small sample of your blood to produce a lot of information, whether they’re looking for liver disease or simply testing the effects of a medication or treatment. Liver function tests may not provide enough information to make a diagnosis on their own. However, the results of the test will assist you what to do next.
Normal values – https://www.mayoclinic.org/tests-procedures/liver-function-tests/about/pac-20394595
