The hepatic function panel, also known as liver function tests, is a group of seven tests used to evaluate the liver for injury, infection, or inflammation. The liver plays important roles: It stores energy from food, makes proteins, and helps remove toxins. The liver also makes bile, a fluid that helps in digestion. A hepatic function panel will be considered medically necessary when performed for the following clinically indicated conditions: •Signs and symptoms of liver disease (e.g., jaundice, nausea accompanied with vomiting and/or weight loss, bright yellow urine, grey.
A blood test is when a sample of blood is taken from the body to be tested in a lab. Doctors order blood tests to check things such as the levels of glucose, hemoglobin, or white blood cells.
This can help them detect problems like a disease or medical condition. Sometimes, blood tests can help how to measure a gram of weed without scale see how well an organ such as the liver or kidneys is working.
A liver function panel is a blood test that helps doctors check for liver injury, infection, or disease. Liver function panels also can check for side effects in the liver from some medicines. Your child may be asked to stop eating and drinking for 8 to 12 hours before the test.
Tell your doctor about any medicines your child takes because some drugs might affect the test results. Wearing a T-shirt or short-sleeved shirt for the test can make things easier for your child, and you also can bring along a toy or book as a distraction. Most blood tests take a small amount of blood from a vein.
To do that, a health professional will:. In babies, blood draws are sometimes done as a "heel stick collection. Collecting a sample of blood is only temporarily uncomfortable and can feel like a quick pinprick.
Parents usually can stay with their child during a blood test. Encourage your child to relax and stay still because tensing muscles can make it harder to draw blood.
Your child might want to look away when the needle is inserted and the blood what is the fastest internet in my area collected.
Encourage your child to relax by taking slow deep breaths or singing a favorite song. Most blood tests take just a few minutes. Occasionally, it can be hard to find a vein so the health professional may need to try more than once. The health professional will remove the elastic band and the needle and cover the area with cotton or a bandage to stop the bleeding.
Afterward, there may be some mild bruising, which should go away in a few days. Blood samples are processed by a machine, and it may take a few hours to a day for the results to be available. If the test results show signs of a problem, the doctor might order other tests to figure out what the problem is and how to treat it.
A liver function panel is a safe procedure with minimal risks. Some kids might feel faint or lightheaded from the test. A few kids and teens have a strong fear of needles. If your child is anxious, talk with the doctor before the test about ways to make the procedure easier. A small bruise or mild soreness around the blood test site is common and can last for a few days. Get medical care for your child if the discomfort gets worse or lasts longer.
If you have questions about the test, speak with your doctor or the health professional doing the blood draw. Note: All information is for educational purposes only.
For specific medical advice, diagnoses, and treatment, consult your doctor.
Why it's done
What are liver function tests? Liver function tests (also known as a liver panel) are blood tests that measure different enzymes, proteins, and other substances made by the liver. These tests check the overall health of your liver. The different substances are often tested at the same time on a single blood sample, and may include the following. May 22, · Liver Function Panel (LFP) Test Includes Alanine aminotransferase (ALT/SGPT); albumin, serum; alkaline phosphatase, serum; aspartate aminotransferase (AST/SGOT); bilirubin, direct; bilirubin, total; protein, total, serum.
Liver function tests also known as a liver panel are blood tests that measure different enzymes, proteins, and other substances made by the liver. These tests check the overall health of your liver. The different substances are often tested at the same time on a single blood sample, and may include the following:. If levels of one or more of these substances are outside of the normal range, it may be a sign of liver disease.
You may also need these tests if you have certain risk factors. You may be at higher risk for liver disease if you:. A health care professional will take a blood sample from a vein in your arm, using a small needle.
After the needle is inserted, a small amount of blood will be collected into a test tube or vial. You may feel a little sting when the needle goes in or out. This usually takes less than five minutes. You may need to fast not eat or drink for hours before the test. There is very little risk to having a blood test. You may have slight pain or bruising at the spot where the needle was put in, but most symptoms go away quickly. If one or more of your liver function test results were not normal, it may mean your liver is damaged or not working properly.
Liver damage can be caused by a number of different conditions, including:. Learn more about laboratory tests, reference ranges, and understanding results. If any of your liver function tests were not normal, your provider may need more tests to confirm or rule out a specific diagnosis. A biopsy is a procedure that removes a small sample of tissue for testing. The medical information provided is for informational purposes only, and is not to be used as a substitute for professional medical advice, diagnosis or treatment.
Please contact your health care provider with questions you may have regarding medical conditions or the interpretation of test results. Liver Function Tests. What are liver function tests? The different substances are often tested at the same time on a single blood sample, and may include the following: Albumin , a protein made in the liver Total protein.
This test measures the total amount of protein in the blood. These are different enzymes made by the liver. Bilirubin , a waste product made by the liver. Lactate dehydrogenase LD , an enzyme found in most of the body's cells. LD is released into the blood when cells have been damaged by disease or injury. Prothrombin time PT , a protein involved in blood clotting. Other names: liver panel, liver function panel, liver profile hepatic function panel, LFT.
What are they used for? Liver function tests are most often used to: Help diagnose liver diseases, such as hepatitis Monitor treatment of liver disease. These tests can show how well the treatment is working.
Check how badly a liver has been damaged or scarred by disease, such as cirrhosis Monitor side effects of certain medicines. Why do I need liver function testing? You may need liver function testing if you have symptoms of liver disease. These include: Jaundice , a condition that causes your skin and eyes to turn yellow Nausea and vomiting Diarrhea Abdominal pain Dark-colored urine Light-colored stool Fatigue You may also need these tests if you have certain risk factors.
You may be at higher risk for liver disease if you: Have a family history of liver disease Have alcohol use disorder, a condition in which you have difficulty controlling how much you drink Think you have been exposed to a hepatitis virus Take medicines that may cause liver damage.
What happens during a liver function test? Will I need to do anything to prepare for the test? Are there any risks to the test? What do the results mean?
Liver damage can be caused by a number of different conditions, including: Hepatitis A Hepatitis B Hepatitis C Alcohol use disorder, which includes alcoholism. Liver cancer Diabetes If you have questions about your results, talk to your health care provider. Is there anything else I need to know about liver function tests? References Cleveland Clinic [Internet]. Cleveland OH : Cleveland Clinic; c Liver Function Tests: Overview [cited Aug 26]; [about 3 screens].
Washington D. Biopsy [updated Jul 10; cited Aug 26]; [about 2 screens]. Liver Panel [updated May 9; cited Aug 26]; [about 2 screens]. Mayo Foundation for Medical Education and Research; c— Liver Function Tests [updated May; cited Aug 26]; [about 2 screens]. Bethesda MD : U. Liver function tests: Overview [updated Aug 25; cited Aug 26]; [about 2 screens].
Health Encyclopedia: Liver Panel [cited Aug 26]; [about 2 screens]. In the event of a medical emergency, call immediately.