H18 Other disorders of cornea
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The ICD-10-CM code for Other disorders of cornea is H18 (FY2026). It is a non-billable category code — select a more specific code below for claims.
Classification
- Section
- H15-H22: Disorders of sclera, cornea, iris and ciliary body (H15-H22)
- Category H18
- 201 codes (155 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 H18 with the canonical source and edition:
H18 — Other disorders of cornea. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/H18
Canonical URL: https://icd10codingpro.com/codes/H18