G32.81 Cerebellar ataxia in diseases classified elsewhere

Excludes1: systemic atrophy primarily affecting the central nervous system in alcoholic cerebellar ataxia (G31.2)
systemic atrophy primarily affecting the central nervous system in myxedema (G13.2)

Code first: underlying disease, such as:
celiac disease (with gluten ataxia) (K90.0)
cerebellar ataxia (in) neoplastic disease (paraneoplastic cerebellar degeneration) (C00-D49)
non-celiac gluten ataxia (M35.9)