ICD-10-CM > H00-H59 > H40-H42 > H40 > H40.2 > H40.21 H40.21 Acute angle-closure glaucoma Non-Billable/Non-Specific Applicable To Acute angle-closure glaucoma attackAcute angle-closure glaucoma crisis Codes H40.211Acute angle-closure glaucoma, right eyeH40.212Acute angle-closure glaucoma, left eyeH40.213Acute angle-closure glaucoma, bilateralH40.219Acute angle-closure glaucoma, unspecified eye