ICD-10-CM > H00-H59 > H40-H42 > H40 > H40.6 > H40.63 H40.63 Glaucoma secondary to drugs, bilateral Non-Billable/Non-Specific Codes H40.63X0..., stage unspecifiedH40.63X1..., mild stageH40.63X2..., moderate stageH40.63X3..., severe stageH40.63X4..., indeterminate stage