ICD-10-CM > H00-H59 > H40-H42 > H40 > H40.5 > H40.53 H40.53 Glaucoma secondary to other eye disorders, bilateral Non-Billable/Non-Specific Codes H40.53X0..., stage unspecifiedH40.53X1..., mild stageH40.53X2..., moderate stageH40.53X3..., severe stageH40.53X4..., indeterminate stage