ICD-10-CM > H00-H59 > H40-H42 > H40 > H40.8 > H40.81 H40.81 Glaucoma with increased episcleral venous pressure Non-Billable/Non-Specific Codes H40.811Glaucoma with increased episcleral venous pressure, right eyeH40.812Glaucoma with increased episcleral venous pressure, left eyeH40.813Glaucoma with increased episcleral venous pressure, bilateralH40.819Glaucoma with increased episcleral venous pressure, unspecified eye