ICD-10 Code G23.2 – Striatonigral degeneration (2026): Diagnosis, Symptoms & Billing Guide
The ICD-10 code for Striatonigral degeneration is G23.2.2026 ICD-10-CM Diagnosis Code G23.2 – Striatonigral degeneration Related ICD-10 Codes Parent code: G23 – Other degenerative diseases of basal ganglia Other codes in same category: G23.0 – Hallervorden-Spatz disease, G23.1 – Progressive supranuclear ophthalmoplegia [Steele-Richardson-Olszewski], G23.3 – Hypomyelination with atrophy of the basal ganglia and cerebellum, G23.8…