At a Glance
Why Get Tested?
To screen for or monitor treatment for a liver or bone disorder
When to Get Tested?
As part of liver function tests or when a person has symptoms of a liver or bone disorder
A blood sample drawn from a vein in the arm
The Test Sample
What is being tested?
Alkaline phosphatase is an enzyme found in high levels in bone and liver. Smaller amounts of ALP are found in pregnant women (in whom ALP is produced by the placenta), and in the intestines. Each of these body parts makes different forms of ALP.
How is the sample collected for testing?
A blood sample is taken by needle from a vein in the arm.
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