Abnormality of Alkaline Phosphatase Level HP:0004379 Abnormality of Alkaline Phosphatase Activity Abnormality of ALP Level Abnormality Alkaline Phosphatase Level Note that the alkaline phosphatase family has four isoenzymes in humans, each of which additionally can have different isoforms. The primary clinical importance of measuring alkaline phosphatase is to check the possibility of bone disease or liver disease. SCDO:1000666 Alkaline Phosphatase Abnormal Sufficient An abnormality of alkaline phosphatase level. Abnormal Enzyme/Coenzyme Activity