ICD-10-CM > H00-H59 > H46-H47 > H47 > H47.2 > H47.23 H47.23 Glaucomatous optic atrophy Non-Billable/Non-Specific Codes H47.231Glaucomatous optic atrophy, right eyeH47.232Glaucomatous optic atrophy, left eyeH47.233Glaucomatous optic atrophy, bilateralH47.239Glaucomatous optic atrophy, unspecified eye