Alkaline phosphatase isoenzyme test
Veins and arteries vary in size from one patient to another and from one side of the body to the other. Obtaining a blood sample from some people may be more difficult than from others.
Other risks may include:
This test is about 80% accurate for identifying the specific locations of cancers or disease. However, it is not a reliable screening test because levels may be high for unknown reasons and return to normal. Unless there are signs of a disease, higher-than-normal values of ALP in the Chem-20 test are not considered significant.