| ICD-10 Code | Description |
| G31.01 | Pick's disease |
| G31.09 | Other frontotemporal neurocognitive disorder |
| G31.1 | Senile degeneration of brain, not elsewhere classified |
| G31.2 | Degeneration of nervous system due to alcohol |
| G31.80 | Leukodystrophy, unspecified |
| G31.81 | Alpers disease |
| G31.82 | Leigh's disease |
| G31.83 | Neurocognitive disorder with Lewy bodies |
| G31.84 | Mild cognitive impairment of uncertain or unknown etiology |
| G31.85 | Corticobasal degeneration |
| G31.86 | Alexander disease |
| G31.89 | Other specified degenerative diseases of nervous system |
| G31.9 | Degenerative disease of nervous system, unspecified |
