In adults, the normal range of alkaline phosphatase is 33 to 96 U/L. What is considered "normal" may vary from laboratory to laboratory. Related: Alkaline Phosphatase (ALP) Testing: What to Expect ...
Most alkaline phosphatase in normal adult serum is from the liver or biliary tract. Normal alkaline phosphatase levels are age dependant with young children and adolescents having much higher ...