1-SST/0.5mL serum. After 30 minutes of clotting, promptly centrifuge and refrigerate.
Room Temperature 24 hours, Refrigerated 7 days, Frozen 2 months
4-7 days Performed Tues, Wed, Fri
Not recommended in routine evaluation or management of diabetes mellitus. Glutamic Acid Decarboxylase Antibody (GADAB) and IA-2 Antibody (IA2Q) recommended for initial screening of suspected cased of type 1 DM.