What is an alkaline phosphatase level test? An alkaline phosphatase level test ALP test measures the amount of alkaline phosphatase enzyme in your bloodstream. The test requires a simple blood draw and is often a routine part of other blood tests. Abnormal levels of ALP in your blood most often indicate a problem with your liver , gallbladder , or bones. However, they may also indicate malnutrition , kidney cancer tumors , intestinal issues , a pancreas problem, or a serious infection. The normal range for serum ALP level is , but this can vary from laboratory to laboratory.
Alkaline Phosphatase: MedlinePlus Lab Test Information
A blockage in the bile duct Mononucleosis , which can sometimes cause swelling in the liver There are several other types of blood tests that check your liver function. If these results are normal and your alkaline phosphatase levels are high, it may mean the problem is not in your liver. Instead, it can indicate a bone disorder, such as Paget's Disease of Bone , a condition that causes your bones to become abnormally large, weak, and prone to fractures. Moderately high levels of alkaline phosphatase may indicate conditions such as Hodgkin lymphoma , heart failure , or a bacterial infection. Low levels of alkaline phosphatase may indicate hypophosphatasia, a rare genetic disease that affects bones and teeth. Low levels may also be due to a deficiency of zinc or malnutrition. To learn what your results mean, talk to your health care provider.
How to prepare for the test? Someone having an ALP test will usually need to fast for 10—12 hours before the test. As such, most people prefer to have their test first thing in the morning. Several medications, such as birth control pills and anti-epileptic drugs, can interfere with ALP levels. Therefore, anyone having the test should tell the doctor about any medications and herbal supplements they are taking.
Does this test have other names? ALP What is this test? But it is mainly in your liver, bone, kidney, and digestive tract. Why do I need this test?