Path/Lab Coding:
Look to This Immunoassay Code for Islet Cell Tests
Published on Thu Mar 27, 2025
Question: The lab performed an ELISA test for glutamic acid decarboxylase antibody on a serum specimen, but I can’t find a CPT® code for the procedure. Should I use 83516? Arkansas Subscriber Answer: Labs perform an ELISA, or enzyme-linked immunoassay, test to find antibodies in the blood. One such antibody is the glutamic acid decarboxylase (GAD) antibody, found in the islet cells [...]