Alkaline phosphatase isoenzyme test
Definition of ALP isoenzyme test
Alkaline phosphatase (ALP) is a substance found in all body tissues. There are many different forms of ALP. Each type has a different chemical structure, called an isoenzyme. Its structure depends on where in the body it is produced. For example, liver and bone ALP isoenzymes have different structures.
David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine; Jatin M. Vyas, MD, PhD, Assistant Professor in Medicine, Harvard Medical School, Assistant in Medicine, Division of Infectious Disease, Department of Medicine, Massachusetts General Hospital. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc. – 5/7/2009