Glutamic Acid Decarboxylase-65 (GAD-65)Antibody
Fasting Required: No

Specimen: Blood

Lab: Quest Diagnostics

Results: 10-14 business days
Note: Result turnaround times are an estimate and are not guaranteed. Our reference lab may need additional time due to weather, holidays, confirmation/repeat testing, or equipment maintenance.

Description: Glutamic acid decarboxylase (GAD65) is an enzyme that is produced primarily by pancreatic islet cells. This is one of the most commonly detected autoantibodies in newly diagnosed type 1 diabetics (about 70-80%). Generally used to confirm type 1 diabetes and ruling out type 2 diabetes.