G23.1
Progressive supranuclear ophthalmoplegia [Steele-Richardson-Olszewski]
Coding guidance (WHO 2019)
Progressive supranuclear palsy
Sibling codes
G23Other degenerative diseases of basal gangliaG23.0Hallervorden-Spatz diseaseG23.2Multiple system atrophy, parkinsonian type [MSA-P]G23.3Multiple system atrophy, cerebellar type [MSA-C]G23.8Other specified degenerative diseases of basal gangliaG23.9Degenerative disease of basal ganglia, unspecified