G23.1Billable
Progressive supranuclear ophthalmoplegia [Steele-Richardson-Olszewski]
Short description: Progressive supranuclear ophthalmoplegia
- Chapter
- 6. Diseases of the nervous system
- Category
- G23
- Effective date
- October 1, 2026
Related codes in category G23
G23Other degenerative diseases of basal gangliaG23.0Hallervorden-Spatz diseaseYesG23.2Striatonigral degenerationYesG23.3Hypomyelination with atrophy of basal ganglia and cerebellumYesG23.8Other specified degenerative diseases of basal gangliaYesG23.9Degenerative disease of basal ganglia, unspecifiedYes
Frequently asked questions
What is ICD-10 code G23.1?
G23.1 is an ICD-10-CM diagnosis code for Progressive supranuclear ophthalmoplegia [Steele-Richardson-Olszewski].
Is G23.1 a billable code?
Yes. G23.1 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is G23.1 in?
G23.1 falls under Chapter 6: Diseases of the nervous system.
When did G23.1 become effective?
G23.1 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to G23.1?
G23.1 belongs to category G23, which includes 6 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.