Any dysequilibrium syndrome in which the cause of the disease is a mutation in the WDR81 gene. The disease is cerebellar ataxia, intellectual disability, and dysequilibrium syndrome 2 (MONDO_0012430). Also known as: WDR81 dysequilibrium syndrome, cerebellar ataxia, intellectual disability, and dysequilibrium syndrome type 2, cerebellar ataxia, mental retardation, and dysequilibrium syndrome 2, cerebellar ataxia, mental retardation, and dysequilibrium syndrome type 2, dysequilibrium syndrome caused by mutation in WDR81.