G23.1
ICD-10BillableProgressive supranuclear ophthalmoplegia
Official ICD-10-CM descriptor (FY2026)
Progressive supranuclear ophthalmoplegia [Steele-Richardson-Olszewski]
G23.1 is valid for submission on a claim — CMS flags it as a billable, specific code.
Inclusion terms
- Progressive supranuclear palsy
Related codes in G23
Where this code sits
- Parent code
- G23
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.