| Description | For the determination of autoantibodies to voltage-gated calcium channels (VGCC) in serum | For the determination of autoantibodies to glutamic acid decarboxylase (GAD) in serum | For the determination of autoantibodies to titin (TitinAb) in serum | For the determination of autoantibodies to voltage-gated potassium channels (VGKC) in serum | For the determination of autoantibodies to the insulin secretory granule zinc transporter (ZnT-8) in serum |