Elevated Serum Alkaline Phosphatase Reduced Circulating ALP Elevated Alkaline Phosphatase Decreased Circulating Alkaline Phosphatase Level Blood Alkaline Phosphatase Increased Increased Alkaline Phosphatase Abnormally increased serum levels of alkaline phosphatase activity. Sufficient SCDO:1000664 Elevated ALP High Serum Alkaline Phosphatase HP:0003155 Abnormality of Alkaline Phosphatase Level