G23 is a non-billable/non-specific diagnosis code from the 2025 ICD-10-CM used to classify the following condition: Other degenerative diseases of basal ganglia.
Type 2 excludes
Multi-system degeneration of the autonomic nervous system (G90.3)
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
Versions
2025
No changes
2024
No changes
2023
No changes
2022
No changes
2021
No changes
2020
No changes
2019
No changes
2018
No changes
2017
No changes
2016
New code