G31 | Other degenerative diseases of nervous system, not elsewhere classified |
| Frontotemporal dementia |
| Pick’s disease |
| Other frontotemporal dementia |
| Senile degeneration of brain, not elsewhere classified |
| Degeneration of nervous system due to alcohol |
| Other specified degenerative diseases of nervous system |
| Alpers disease |
| Leigh’s disease |
| Dementia with Lewy bodies |
| Mild cognitive impairment, so stated |
| Corticobasal degeneration |
| Other specified degenerative diseases of nervous system |
| Degenerative disease of nervous system, unspecified |