Individual tests

Albumin is a protein produced by your liver. It helps keep fluid from leaking from your blood vessels into other tissue. Without enough albumin, fluid can leak out of your blood and build up in your lungs, abdomen (belly), or other parts of your body. Albumin also carries hormones, vitamins, and enzymes. Low albumin levels can indicate liver or kidney disease or a lack of protein.
Alkaline phosphatase (ALP) is a protein produced by various organs. Tissues with higher amounts of ALP include the liver, bile ducts, and bone. Abnormal levels of ALP in your blood can indicate a wide range of health conditions.
ALT is an enzyme produced mainly by the liver. When liver cells are damaged, they release ALT into the bloodstream. Therefore, high levels of ALT in your blood may indicate liver injury or disease.
Amylase is an enzyme that helps you digest carbohydrates. Your pancreas and salivary glands produce most of the amylase in your body. Too much or too little may indicate a disorder of the pancreas, salivary glands, or another medical condition.
Amylase is an enzyme that helps you digest carbohydrates. Most of the amylase in your body is made by your pancreas and salivary glands. Too much or too little may indicate a disorder of the pancreas, salivary glands, or another medical condition.
AST (aspartate aminotransferase) is an enzyme that is found mostly in the liver, but also in muscles and other organs in your body. When cells that contain AST are damaged, they release it into your blood. Therefore, while a high AST level may be a sign of liver damage, it could also possibly be from other organs that contain the enzyme.
Bilirubin is a substance produced when old red blood cells are broken down. It mainly exists in two forms in the blood, unconjugated or indirect bilirubin, and conjugated or direct bilirubin. Typically, your liver removes most of the substance from your body. If your liver is damaged or red blood cells are being destroyed faster than normal, excess bilirubin is released into the bloodstream, which can cause your skin and eyes to turn yellow. If jaundice is suspected, a bilirubin blood test can help determine if there is liver disease or hemolysis.
Bilirubin is a substance made during the breakdown of old red blood cells and mainly exists in two forms in the blood, unconjugated or indirect bilirubin, and conjugated or direct bilirubin. Indirect bilirubin will be converted into direct bilirubin by your liver. A blockage in the liver or bile duct is often the cause of an increase in direct bilirubin.
T3 is one of two major hormones from your thyroid that regulates how your body uses energy. It's also important in controlling your weight, body temperature, muscle strength, and nervous system. This test measures free circulating T3, excluding that bound to carrier proteins. It aids diagnosis of, or following the treatment for, hyperthyroidism.
Free T4 is the active form of the thyroxine hormone that enters your tissues where needed. Your thyroid, which controls how your body uses energy, produces thyroxine. These hormones affect your weight, heart, body temperature, muscle strength, and mood. A T4 test checks how well your thyroid is working.
GGT is an enzyme found throughout the body, especially the liver. If your liver is damaged, GGT may leak into the bloodstream. High levels of GGT in the blood may be a sign of liver disease or damage to the bile ducts.
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