ICD-10-CM > H00-H59 > H40-H42 > H40 > H40.6 > H40.61 H40.61 Glaucoma secondary to drugs, right eye Non-Billable/Non-Specific Codes H40.61X0..., stage unspecifiedH40.61X1..., mild stageH40.61X2..., moderate stageH40.61X3..., severe stageH40.61X4..., indeterminate stage