G31.8: Other specified degenerative diseases of nervous system |
| G31.81: Alpers disease |
| G31.82: Leigh's disease |
| G31.83: Dementia with Lewy bodies |
| G31.84: Mild cognitive impairment, so stated |
| G31.85: Corticobasal degeneration |
| G31.89: Other specified degenerative diseases of nervous system |