Specimen Requirements
Title
Glutamic Acid Decarboxylase-65 Antibody (GAD)
Specimen Requirement
Collect SST/1.0 mL serum, after 30 minutes of clotting, promptly centrifuge and send.
Methodology
Enzyme Linked Immunosorbent Assay (ELISA)
Stability
Room temp: 7 days, Refrigerated: 14 days, Frozen: 60 days
Reference Range
By Report*
Turnaround
3-5 days, set up Sunday to Friday
Clinical Use
Glutamic acid decarboxylase (GAD-65) antibody is useful to diagnose insulin dependent diabetes mellitus [Type I diabetes (autoimmune-mediated diabetes)] to assess risk for development of Type I diabetes, to predict onset of Type I diabetes, and risk of development of related endocrine disorders, e.g., thyroiditis.
Test Code
GADW