H17

ICD-10Non-billable category

Corneal scars and opacities

Official ICD-10-CM descriptor (FY2026)

Corneal scars and opacities

H17 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 H17

H17.0Adherent leukomacategory
H17.1Central corneal opacitycategory
H17.8Other corneal scars and opacitiescategory
H17.9Unspecified corneal scar and opacity

Where this code sits

Chapter: 7. Diseases of the eye and adnexa (H00-H59)
Block: Disorders of sclera, cornea, iris and ciliary body (H15-H22)

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Source

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.