ICD-10-CM > H00-H59 > H40-H42 > H40 > H40.1 > H40.13 > H40.132 H40.132 Pigmentary glaucoma, left eye Non-Billable/Non-Specific Codes H40.1320..., stage unspecifiedH40.1321..., mild stageH40.1322..., moderate stageH40.1323..., severe stageH40.1324..., indeterminate stage