G31: Other degenerative diseases of nervous system, not elsewhere classified useAdditionalCode For codes G31.0-G31.83, G31.85-G31.9, use additional code to identify: dementia with behavioral disturbance (F02.81) dementia without behavioral disturbance (F02.80) excludes2 Reye's syndrome (G93.7) |
| G31.0: Frontotemporal dementia |
| G31.1: Senile degeneration of brain, not elsewhere classified |
| G31.2: Degeneration of nervous system due to alcohol |
| G31.8: Other specified degenerative diseases of nervous system |
| G31.9: Degenerative disease of nervous system, unspecified |