ICD-10-CM > H00-H59 > H46-H47 > H47 > H47.3 > H47.31 H47.31 Coloboma of optic disc Non-Billable/Non-Specific Codes H47.311Coloboma of optic disc, right eyeH47.312Coloboma of optic disc, left eyeH47.313Coloboma of optic disc, bilateralH47.319Coloboma of optic disc, unspecified eye