H21.9
ICD-10BillableUnspecified disorder of iris and ciliary body
Official ICD-10-CM descriptor (FY2026)
Unspecified disorder of iris and ciliary body
H21.9 is valid for submission on a claim — CMS flags it as a billable, specific code.
Related codes in H21
- H21.0Hyphemacategory
- H21.1Other vascular disorders of iris and ciliary bodycategory
- H21.2Degeneration of iris and ciliary bodycategory
- H21.3Cyst of iris, ciliary body and anterior chambercategory
- H21.4Pupillary membranescategory
- H21.5Oth and unsp adhes and disruptions of iris and ciliary bodycategory
- H21.8Other specified disorders of iris and ciliary bodycategory
Where this code sits
- Parent code
- H21
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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.