H55 Nystagmus and other irregular eye movements
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The ICD-10-CM code for Nystagmus and other irregular eye movements is H55 (FY2026). It is a non-billable category code — select a more specific code below for claims.
Classification
- Section
- H55-H57: Other disorders of eye and adnexa (H55-H57)
- Category H55
- 12 codes (9 billable)
- FY2026 Status
- Stable since FY2024
Official Coding Guidelines
Glaucoma (TOC entry)a. Glaucoma .............................................................................................................................. 48
Assigning glaucoma codes (use as many H40 codes as needed)Assign as many codes from category H40, Glaucoma, as needed to identify the type of glaucoma, the affected eye, and the glaucoma stage.
Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026
References
Cite This Page
Reference H55 with the canonical source and edition:
H55 — Nystagmus and other irregular eye movements. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/H55
Canonical URL: https://icd10codingpro.com/codes/H55