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A liver function test is a blood test that helps to assess the health of your liver by looking at a number of markers including liver enzymes, proteins, and substances that are produced or processed by your liver.
This means that these tests can be the first step in diagnosis of conditions such as Hepatitis (Hepatitis A, B, or C, a serious liver infection), Cirrhosis (the late stage of fibrosis of the liver caused by many forms of liver diseases and conditions), Fatty Liver Disease (a condition that occurs when fat builds up in the liver) and liver cancer.
Liver function test helps detect a variety of liver diseases, infections and conditions that affect your liver function. It can be used to check for the extent of any liver damage and to monitor liver diseases such as viral or alcoholic hepatitis.
Liver function tests also provide valuable insight on how well or not well a treatment is working, as well as monitor possible side effects of certain medicines.
In a standard liver function blood test, normal results typically show, ALT (Alanine Transaminase): 7 to 55 units per litre (U/L) and AST (Aspartate Transaminase): 8 to 48 U/L.
To put it into perspective, a typical range for AST is usually up to 36 U/L in adults. High levels of ALP (Alkaline Phosphatase) may indicate liver inflammation, blockage of the bile ducts, or bone disease. Whereas, if your ALT, ALP and bilirubin levels are also elevated, it may indicate liver damage.
The symptoms for liver disease can not always be seen, and very often, there are no symptoms until things are serious. This is why routine testing is so important. But those that can be seen most commonly include jaundice (the yellowing of your skin or the whites of your eyes), belly pain, swelling in your legs and ankles, itchy skin, dark urine, pale stool, immense fatigue, loss of appetite, or bruising easily.
Other symptoms include mental confusion, and Spider Angiomas (small, spider-like blood vessels visible on the skin). However, Spider Angiomas are often seen in people with advanced liver disease.
There are multiple factors that come into play when talking about liver disease, but the most common causes include:
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Your Walk-In Clinic doctor will provide you with all the instructions you will need to ensure an accurate liver function test in conducted, but general guidelines include avoiding alcohol for at least 24 hours before your test, as it can affect your liver enzyme levels. It is also important to remain hydrated before your test by drinking a healthy amount of water.
When it comes to fasting and medications, your healthcare provider will be able to perfectly instruct you on what and what not to do before your liver function test.
Your Walk-In Clinic doctor will provide you with all the instructions you will need to ensure an accurate liver function test in conducted, but general guidelines include avoiding alcohol for at least 24 hours before your test, as it can affect your liver enzyme levels. It is also important to remain hydrated before your test by drinking a healthy amount of water.
When it comes to fasting and medications, your healthcare provider will be able to perfectly instruct you on what and what not to do before your liver function test.
The moment we receive your liver function test results, we will email the results to you. Our Walk-In Clinic test price does not include the interpretation of the results if you decided to have the test done without consultation.
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We offer a wide range of private blood tests in London. Same-day appointments are available 5 days a week.
We work with experienced consultants & healthcare professionals who have received positive feedback from our patients, and with whom we have established long-term relationships.
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Please note that Walk-in Clinic is a private medical centre & not an NHS service. Harley Walk-in Clinic Ltd company registration no. 07472804
