What Is The Normal Range For Liver Function Test – Liver function tests (LFT) are a group of blood tests that provide important information about the liver, including its ability to process chemicals and filter toxins from the body.

Interesting facts about the liver The liver is the largest internal organ in the human body. It performs more than 500 important functions, including detoxification, metabolism and nutrient storage. The liver can regenerate itself, allowing it to recover from certain types of damage. It produces bile, which is essential for digestion and fat absorption. The liver plays an important role in blood clotting by producing important proteins.

What Is The Normal Range For Liver Function Test

Summary to prepare for the LFT test, inform the doctor about the medication, take a blood sample, and follow up with the doctor to discuss the results.

Ask A Liver Online For Liver Function Test

High levels may indicate liver disease, blockage of the bile ducts, or other conditions that affect the metabolism of bilirubin. Low levels indicate anemia, hypothyroidism, liver disease

High levels may indicate liver disease, blockage of the bile ducts, or other conditions that affect the metabolism of bilirubin. Low levels indicate blockage of water pipes, liver disease

Note: The normal range for the LFT test may vary slightly depending on the laboratory and the test method used. These tables are for general information only and should not replace the advice of a medical professional.

Summary High levels of LFT (Liver Function Test) indicators may indicate liver damage or liver dysfunction, while low levels may indicate abnormal liver function or other underlying health conditions.

Interpreting Liver Function Tests: Patients’ Elevated Lft Results Can Indicate Hepatocyte Injury, Cholestasis, Or Both.

Summary Overall, the LFT test is a blood test that measures the levels of liver enzymes and proteins, and can help diagnose liver disease and monitor liver function. Also, check the test for detailed information on all medical tests for patients, doctors, scholars and medical students.

Liver function tests are performed to evaluate the health of the liver, diagnose liver diseases such as hepatitis, cirrhosis, or fatty liver disease, and monitor the effectiveness of treatment.

Liver function tests require a blood sample, which is usually obtained through a vein in the arm.

The interpretation of liver function test results depends on the specific marker being measured and the reference level used by the laboratory. A 24-year-old male patient presented to the emergency department with weakness, nausea, vomiting, and fever. On evaluation, he had abdominal pain in the right quadrant of his abdomen, along with scleral icterus. When asked about his recent travels, he said he had just returned from a trip to America. South Lika two weeks ago. Based on these findings, liver function tests are ordered.

How To Read & Interpret Your Liver Function Test

Currently, liver function tests, or LFTs, are a series of tests that check the health of the liver by measuring enzymes and other substances produced by the liver. First, is alkaline phosphatase, or ALP for short, which is an enzyme found mainly in liver cells, which are called hepatocytes, as well as bone cells, and the placenta. Next, is alanine aminotransferase, also known as ALT; and aspartate aminotransferase, also known as AST. Both ALT and AST can be found in the liver, kidneys, heart, and skeletal muscle.

Another enzyme is gamma-glutamyl transferase, or GGT, which is mainly in the liver. Finally, there is bilirubin, which is a breakdown product of hemoglobin found in red blood cells. This type of bilirubin is called unconjugated or indirect bilirubin. When it reaches the liver, bilirubin is converted to conjugated or direct bilirubin and eliminated through the bile. Total bilirubin is a measure of both conjugated and unconjugated bilirubin.

Currently, LFTs can be drawn on their own as a liver panel, or as part of a complete metabolic panel. Normal values ​​of ALP range from 30 to 120 units/liter; ALT from 4 to 36 units / L; AST from 0 to 35 units / L; and GGT from 8 to 38 units/liter. These ranges can vary slightly between genders, and may be higher for those with a higher body mass index. Finally, total bilirubin values ​​range from 0.3 to 1.0 mg/dL.

Well, there are certain conditions, such as hepatitis, liver cancer, and fatty liver disease, as well as certain medications, such as acetaminophen, that can damage the liver causing its enzymes to leak into the blood, resulting in elevated LFTs. Liver enzymes will also increase if there is a problem with the hepatobiliary tree, such as biliary obstruction or cholecystitis.

Liver Function Tests (lfts)

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In addition to producing cholesterol to strengthen the structure of our cells, the liver also maintains the chemical balance in our blood, maintains bile, which helps filter waste, helps digest food, fats and stores glucose in the form of glycogen. The liver can also be considered as a gland because of the secretion of water and the function of hormones, especially in the chemical transformation of thyroid hormones.

Many enzymes and proteins are synthesized in the liver. This is in addition to its role in secreting albumin, another protein that regulates blood volume.

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Proteins produced in the liver are involved in cellular activities including digestion and transport of blood cholesterol throughout the body.

The liver also produces enzymes that speed up the work of chemistry and molecules within our body including amino acid (protein) metabolism. The main enzymes produced in liver cells and bile ducts include alkaline phosphatase (ALP), alanine transaminase (ALT), aspartate transaminase (AST) and gamma-glutamyl transferase (GGT). However, these enzymes should not be found in the blood if the liver is healthy. They leak into the bloodstream only if there is a significant liver infection or inflammation.

“Liver function tests are a group of blood tests used to help diagnose and monitor liver disease or damage. These tests measure the levels of certain enzymes and proteins in the blood,” explains Dr Ravindra Nidoni, Consultant, Liver Transplantation, Fortis Hospital, Bannerghatta Road, Bengaluru. High enzyme levels detected indicate hepatocyte (liver cell) damage.

According to Dr. Prasanna Bhat KS, Consultant, Hepatology and Surgery, Manipal Hospital, Bengaluru, liver function tests do not require any preparation or fasting.

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“It is advisable for people over the age of 30 to get a liver function test during a routine checkup,” he added.

Albumin maintains the osmotic pressure of the circulating blood and prevents it from leaking out of the blood vessels into the tissues. Albumin level indicates the function of protein synthesis of the liver. “Within a month or so of liver damage, albumin levels begin to decrease,” explains Dr. Bhat.

Dr. Nidoni added that low albumin and total protein values ​​mean that the liver cannot produce proteins important for cell function and important functions such as transporting important molecules such as lipids through the bloodstream.

Dr. Bhat also added that globulin levels are also checked during liver function tests. Globulin is a group of proteins found in the blood that helps fight infection and also helps in blood clotting. The total readings of albumin and globulin are used to calculate the albumin/globulin (A/G) ratio. If this ratio exceeds the permissible limit, there may be a high chance of liver or kidney infection.

Liver Function Test Normal Values

This test measures the amount of ALP in the blood. ALP enzyme is found throughout the body but mostly in the liver, bones, kidneys and even the digestive system. “It is an important enzyme in breaking down proteins. But if the amount of ALP is higher than normal, it may indicate liver cancer, cirrhosis, hepatitis or even a blockage in the ducts,” explained Dr. Nidoni.

ALT is another enzyme found in the liver that helps convert protein into energy for liver cell function.

Dr. Bhat explained, “If there is damage to the liver cells, the ALT enzyme is released into the blood. Dr. Nidoni emphasized that high ALT values ​​indicate a liver infection or blockage of blood flow to the liver. It can also indicate liver cancer and cirrhosis.

AST is another liver enzyme for amino acid metabolism. If AST is found in the blood, it can indicate liver complications or muscle damage, Dr. Nidoni said. High AST may mean hepatitis, cirrhosis, mononucleosis (viral infection) or other liver diseases. It can also indicate heart complications or pancreatitis.

Interpreting Abnormal Liver Function Tests

Bilirubin is a pigment formed in the urinary tract by the breakdown of hemoglobin. It is usually excreted in the stool. “A high level of bilirubin in your blood is a warning sign that your liver is not able to adequately clear bilirubin,” says Dr. Bhat. That is why when people have itching, bilirubin is high and indicates liver damage. High bilirubin levels can be the result of a number of things

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