| Description | For the determination of autoantibodies to glutamic acid decarboxylase (GAD) in serum | For the determination of autoantibodies to aquaporin-4 (AQP4) in serum | For the determination of autoantibodies to N-Type voltage-gated calcium channel (N-VGCC) in serum | For the determination of autoantibodies to voltage-gated calcium channels (VGCC) in serum | For the determination of autoantibodies to voltage-gated potassium channels (VGKC) in serum |