H40.221
⚠ Non-billable (Header)Chronic angle-closure glaucoma, right eye
Diseases of the eye and adnexa (H00-H59)
⚠️ This is a category header code — not billable. Use a more specific child code below.
✅ No additional coding notes for H40.221
Child Codes (5)
H40.2210Chronic angle-closure glaucoma, right eye, stage unspecifiedH40.2211Chronic angle-closure glaucoma, right eye, mild stageH40.2212Chronic angle-closure glaucoma, right eye, moderate stageH40.2213Chronic angle-closure glaucoma, right eye, severe stageH40.2214Chronic angle-closure glaucoma, right eye, indeterminate stage
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CodeH40.221
BillableNo — Header code
ParentH40.22
CategoryDiseases of the eye and adnexa (H00-H59)
Excludes10 rule(s)
Excludes20 note(s)
Child codes5
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)