H40.23
⚠ Non-billable (Header)Intermittent angle-closure glaucoma
Diseases of the eye and adnexa (H00-H59)
⚠️ This is a category header code — not billable. Use a more specific child code below.
❌ Excludes1
inherited from H40.2Rules from parent category H40.2: Primary angle-closure glaucoma
- • aqueous misdirection (H40.83-)
- • malignant glaucoma (H40.83-)
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CodeH40.23
BillableNo — Header code
ParentH40.2
CategoryDiseases of the eye and adnexa (H00-H59)
Excludes12 rule(s)
Excludes20 note(s)
Child codes4
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)