ICD-10-CM > H00-H59 > H40-H42 > H40 > H40.2 > H40.23 H40.23 Intermittent angle-closure glaucoma Non-Billable/Non-Specific Codes H40.231Intermittent angle-closure glaucoma, right eyeH40.232Intermittent angle-closure glaucoma, left eyeH40.233Intermittent angle-closure glaucoma, bilateralH40.239Intermittent angle-closure glaucoma, unspecified eye