H40-H42
Glaucoma
Glaucoma (H40-H42) is a block within ICD-10-CM Chapter 7: Diseases of the eye and adnexa. It holds 2 categories.
Categories in H40-H42
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.