H18
ICD-10Non-billable categoryOther disorders of cornea
Official ICD-10-CM descriptor (FY2026)
Other disorders of cornea
H18 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.
More specific codes under H18
- H18.0Corneal pigmentations and depositscategory
- H18.1Bullous keratopathycategory
- H18.2Other and unspecified corneal edemacategory
- H18.3Changes of corneal membranescategory
- H18.4Corneal degenerationcategory
- H18.5Hereditary corneal dystrophiescategory
- H18.6Keratoconuscategory
- H18.7Other and unspecified corneal deformitiescategory
- H18.8Other specified disorders of corneacategory
- H18.9Unspecified disorder of cornea
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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.