ICA(redirected from islet cell antibody)
Also found in: Dictionary, Encyclopedia.
Abbreviation for internal carotid artery.
islet autoantibodies, islet cell antibodies,
Antibodies formed against insulin, glutamic acid decarboxylase, or protein tyrosine phosphatase-like molecules. They are serum markers for type 1 diabetes mellitus (DM). Children whose parents have type 1 DM and who have these markers present in their serum have a high risk of developing type 1 DM.