Glutamic Acid Decarboxylase Autoantibodies (GADA)
- Diagnosis of Type 1 Diabetes: The presence of autoantibodies against GAD65 (GADA) in patients with diabetes mellitus indicates the presence of autoimmune, type 1 diabetes.
- Prediction of Type 1 Diabetes: Autoantibodies against GAD65 (GADA) in an asymptomatic individual places the subject at increased risk for the development of type 1 diabetes.
Specimen Requirements: Collect blood in a 1- 5 mL serum separator tube. Centrifuge, separate and transfer the serum to a plastic vial. Ship specimens with a frozen cold pack for overnight delivery.
- Ambient: 24 hours
- Refrigerated: 24 hours
- Frozen: 1 year (Avoid repeated freeze/thaw cycles.)
< 1.1 u/mL