G13: Systemic atrophies primarily affecting central nervous system in diseases classified elsewhere |
| G13.0: Paraneoplastic neuromyopathy and neuropathy |
| G13.1: Other systemic atrophy primarily affecting central nervous system in neoplastic disease |
| G13.2: Systemic atrophy primarily affecting the central nervous system in myxedema |
| G13.8: Systemic atrophy primarily affecting central nervous system in other diseases classified elsewhere |