what does a alkaline phosphatase test test for
The alkaline phosphatase test (ALP) is used to help detect liver disease or bone disorders. 1  In conditions affecting the liver, damaged liver cells release increased amounts of ALP into the blood.2  Any condition that affects bone growth or causes increased activity of bone cells can affect ALP levels in the blood.n ALP test may be ordered as part of routine laboratory testing, often with a group of other tests called a liver panel. It is also usually ordered along with several other tests when a person has symptoms of a liver or bone disorder. Signs and symptoms of liver involvement may include: 1  Weakness, fatigue.