G23 Other degenerative diseases of basal ganglia

Non-billable header with 6 child codes.

Excludes2 (not included here)

• multi-system degeneration of the autonomic nervous system (G90.3)

Applies from G23 Other degenerative diseases of basal ganglia

Excludes2 (not included here)

• multi-system degeneration of the autonomic nervous system (G90.3)

Codes under G23

• 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

Code annotations containing back-references to G23

Back-references to G23

• Type 2 Excludes: F98.4 Stereotyped movement disorders ("movement disorders of organic origin (G20-G25)")
• Type 1 Excludes: R25 Abnormal involuntary movements ("specific movement disorders (G20-G26)")

Back-references to G23

• Type 2 Excludes: F98.4 Stereotyped movement disorders ("movement disorders of organic origin (G20-G25)")
• Type 1 Excludes: R25 Abnormal involuntary movements ("specific movement disorders (G20-G26)")

Nearby codes

• G23 Other degenerative diseases of basal ganglia (this code)
• 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