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)