ICD-10-CM > H00-H59 > H40-H42 > H40 > H40.6 > H40.60 H40.60 Glaucoma secondary to drugs, unspecified eye Non-Billable/Non-Specific Codes H40.60X0..., stage unspecifiedH40.60X1..., mild stageH40.60X2..., moderate stageH40.60X3..., severe stageH40.60X4..., indeterminate stage