Other degenerative diseases of basal ganglia - G23
Excludes2: This note means that the conditions described by two codes are not usually associated with each other but can sometimes occur together.
Type 2 Excludes:
- multi-system degeneration of the autonomic nervous system (G90.3)
These ranges represents subcategories of Other degenerative diseases of basal ganglia. The "G23" signifies that these are the diseases within this broad category.
Codes:
- G23.0 - Hallervorden-Spatz disease
- G23.1 - Progressive supranuclear ophthalmoplegia [Steele-Richardson-Olszewski]
- G23.2 - Striatonigral degeneration
- G23.3 - Hypomyelination with atrophy of the basal ganglia and cerebellum
- G23.8 - Other specified degenerative diseases of basal ganglia
- G23.9 - Degenerative disease of basal ganglia, unspecified