Enzyme markers are tests for specific enzyme activity in the body. Diseases or defects passed down through families can affect how enzymes work. Some enzymes are affected by several genes.
Test results are reported as a percentage of normal enzyme activity.
David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine. Also reviewed by A.D.A.M. Health Solutions, Ebix, Inc., Editorial Team: David Zieve, MD, MHA, Bethanne Black, Stephanie Slon, and Nissi Wang.